Overheating 3208 in a 90SP36
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08-09-2006, 14:15
Post: #11
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Overheating 3208 in a 90SP36
Simple to do, I used 1/4" aluminum tubing the width of the radiator, drilled
.040 dia. holes on 1.5" centers, located the tube in front of the radiator on top and secured it with zip tie screw mounts, like you use for wiring. I tried to get by with electric fans once and a trip to Wyoming showed the folly of that. I had to employ an emergency spray bar installation to get out of the mountains. MH ----- Original Message ----- From: Rovers To: WanderlodgeForum@yahoogroups.com Sent: Wednesday, August 09, 2006 5:13 PM Subject: Re: [WanderlodgeForum] Overheating 3208 in a 90SP36 I like Mike's recommendation for a spray bar on these radiators. These diesels need all of the capacity they can get. Especially on long grades. Think I will add one to mine while everything is out of there waiting for the new radiator core. Mike, are there any pictures have of your setup? Thanks much. Terry Neal 82PT40 74FC34 Bozeman, MT Mike Hohnstein wrote: > I would get a spray bar on that radiator. I have one on the toter and > the FC will have one before I head west next summer. I hook mine to > the house water and valve it with a sporlan or equivalent, click it on > when the temps get up and they do drop right down. I carry a infared > heat gun to spot check the engine gages. The configuration of the SP > is not the best for air flow and water on that radiator is the sure fix. > You don't want the coolant over 200 or the oil over 210, and that's > only acceptable for short periods. > MH > ----- Original Message ----- > From: williamcharrison > To: WanderlodgeForum@yahoogroups.com > > Sent: Wednesday, August 09, 2006 12:33 PM > Subject: [WanderlodgeForum] Overheating 3208 in a 90SP36 > > Just came back from a long trip and noticed that at every extended > grade climb the temp gauge would start climbing toward 220. > It never reached 220 but the level increase alarms me. I have > cleaned the radiator and put new belts on all around. The oil temp > also climbs to about 230 (though I don't know what the danger level > is). The thermostat was replaced before my first trip this year > and I had no similar problems, but then the temperature was in the 70's > and on the last trip it was in the 90's. > > Chuck Harrison > Akron, Ohio > 90SP36 > > [Non-text portions of this message have been removed] > > [Non-text portions of this message have been removed] [Non-text portions of this message have been removed] |
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08-09-2006, 14:22
Post: #12
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Overheating 3208 in a 90SP36
You go right ahead and run that engine hot, you will be real happy when the head
gaskets let go, and 3208s are wont to do. Diesels don't like to over heat and those that relate passenger car specs to a real engine are fated to share their wealth with repair shops. However that works for me as I own a large repair shop. We work on lots of diesels. MH MH ----- Original Message ----- From: davidkerryedwards To: WanderlodgeForum@yahoogroups.com Sent: Wednesday, August 09, 2006 5:21 PM Subject: [WanderlodgeForum] Re: Overheating 3208 in a 90SP36 It also partly depends on whether you're running synthetic oil or not. Synthetics can handle higher temperatures. Mike's numbers seem very low to me. Most aftermarket temperatures guages I've looked at don't show 'hot' until 240 degrees. I know the idiot light on my 74 Olds is hooked to a sensor that comes on at 258 Kerry --- In WanderlodgeForum@yahoogroups.com, "Eric Johnson" wrote: > > Hello Again Chuck, > Mike's idea about a spray bar will improve cooling capacity on a hot, dry, day, but not sure > where he gets the max numbers on coolant and oil. Important to remember the > thermostat doesn't fully open until 185ºF. Radiator cap pressure rating of 7 psig, altitude > and coolant composition set how hot you can run the radiator before you boil over. > Engine oil can safely operate at sustained temperatures of 220-240ºF and for shorter > periods as high as 300ºF with no problems given normal oil changes. > Regards, Eric > 84FC35SBWL2 > > --- In WanderlodgeForum@yahoogroups.com, "Eric Johnson" > > > > Hello Chuck, > > My 3208 is in the front rather than the back but your experiences were much like mine > > while climbing mountain passes in Colorado. Not sure you can expect any lower > > temperatures than what you're getting in hot summer weather. I found on my coach > that > > it helps some to gear down as your speed drops off to keep RPM's up so the fan cools > > better and the engine load is reduced. > > Regards, Eric > > 84FC35SBWL2 > > > > --- In WanderlodgeForum@yahoogroups.com, "williamcharrison" > > wrote: > > > > > > Just came back from a long trip and noticed that at every extended > > > grade climb the temp gauge would start climbing toward 220. > > > It never reached 220 but the level increase alarms me. I have > > > cleaned the radiator and put new belts on all around. The oil temp > > > also climbs to about 230 (though I don't know what the danger level > > > is). The thermostat was replaced before my first trip this year > > > and I had no similar problems, but then the temperature was in the 70's > > > and on the last trip it was in the 90's. > > > > > > Chuck Harrison > > > Akron, Ohio > > > 90SP36 > > > > > > [Non-text portions of this message have been removed] |
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08-09-2006, 15:22
Post: #13
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Overheating 3208 in a 90SP36
I don't do Detroits man, you need to get Randy up there. Good luck on that one.
I will stop in on the way out though. MH ----- Original Message ----- From: erniecarpet@... To: WanderlodgeForum@yahoogroups.com Sent: Wednesday, August 09, 2006 9:29 PM Subject: Re: [WanderlodgeForum] Re: Overheating 3208 in a 90SP36 Hey Mike- on your way back west- stop by Livingston and help me with my Jake brake.--I'll buy the drinks. Ernie Ekberg 83 PT40 Livingston, Montana [Non-text portions of this message have been removed] [Non-text portions of this message have been removed] |
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08-09-2006, 15:31
Post: #14
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Overheating 3208 in a 90SP36
Hello Mike,
I understand that radiator spray systems are nothing new. I've been aware of them for a number of years. Glad to hear you use one and that it gives you good results. I respect the fact that you have a lot of experience, however you are not the only person that has some knowledge to share on our website. None of us has the corner on everything there is to know about these coaches. Your experience and knowledge are valuable to all of us but some of what you think you know may be wrong. I hope all of us can continue to share the best of what we know but also be willing to listen to the views of others without being critical or abusive. I wish you many happy Blue Bird miles. Regards, Eric 84FC35SBWL2 --- In WanderlodgeForum@yahoogroups.com, "Mike Hohnstein" <MHOHNSTEIN@...> wrote: > > Yo, Johnson, it's NOT an IDEA. It's on my vehicle and it actually works, per my oil pan temp gage and my water temp gage. Nothing new about, just because it seems to be unfamilar to you. Just returned from a 4000 mile trip to Idaho and am going back next month so I get on down the road too. As far as temperature limits, that's experience, I've got a lot of it and it's OK if you want to ignore it my advice, it's your engine. > MH > ----- Original Message ----- > From: Eric Johnson > To: WanderlodgeForum@yahoogroups.com > Sent: Wednesday, August 09, 2006 3:40 PM > Subject: [WanderlodgeForum] Re: Overheating 3208 in a 90SP36 > > > Hello Again Chuck, > Mike's idea about a spray bar will improve cooling capacity on a hot, dry, day, but not sure > where he gets the max numbers on coolant and oil. Important to remember the > thermostat doesn't fully open until 185ºF. Radiator cap pressure rating of 7 psig, altitude > and coolant composition set how hot you can run the radiator before you boil over. > Engine oil can safely operate at sustained temperatures of 220-240ºF and for shorter > periods as high as 300ºF with no problems given normal oil changes. > Regards, Eric > 84FC35SBWL2 > > --- In WanderlodgeForum@yahoogroups.com, "Eric Johnson" > > > > Hello Chuck, > > My 3208 is in the front rather than the back but your experiences were much like mine > > while climbing mountain passes in Colorado. Not sure you can expect any lower > > temperatures than what you're getting in hot summer weather. I found on my coach > that > > it helps some to gear down as your speed drops off to keep RPM's up so the fan cools > > better and the engine load is reduced. > > Regards, Eric > > 84FC35SBWL2 > > > > --- In WanderlodgeForum@yahoogroups.com, "williamcharrison" > > wrote: > > > > > > Just came back from a long trip and noticed that at every extended > > > grade climb the temp gauge would start climbing toward 220. > > > It never reached 220 but the level increase alarms me. I have > > > cleaned the radiator and put new belts on all around. The oil temp > > > also climbs to about 230 (though I don't know what the danger level > > > is). The thermostat was replaced before my first trip this year > > > and I had no similar problems, but then the temperature was in the 70's > > > and on the last trip it was in the 90's. > > > > > > Chuck Harrison > > > Akron, Ohio > > > 90SP36 > > > > > > > > > > > [Non-text portions of this message have been removed] > |
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08-09-2006, 15:50
Post: #15
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Overheating 3208 in a 90SP36
Well it's good to know that I'm not the only one with experience, I got nothing
else for you. MH ----- Original Message ----- From: Eric Johnson To: WanderlodgeForum@yahoogroups.com Sent: Wednesday, August 09, 2006 10:31 PM Subject: [WanderlodgeForum] Re: Overheating 3208 in a 90SP36 Hello Mike, I understand that radiator spray systems are nothing new. I've been aware of them for a number of years. Glad to hear you use one and that it gives you good results. I respect the fact that you have a lot of experience, however you are not the only person that has some knowledge to share on our website. None of us has the corner on everything there is to know about these coaches. Your experience and knowledge are valuable to all of us but some of what you think you know may be wrong. I hope all of us can continue to share the best of what we know but also be willing to listen to the views of others without being critical or abusive. I wish you many happy Blue Bird miles. Regards, Eric 84FC35SBWL2 --- In WanderlodgeForum@yahoogroups.com, "Mike Hohnstein" <MHOHNSTEIN@...> wrote: > > Yo, Johnson, it's NOT an IDEA. It's on my vehicle and it actually works, per my oil pan temp gage and my water temp gage. Nothing new about, just because it seems to be unfamilar to you. Just returned from a 4000 mile trip to Idaho and am going back next month so I get on down the road too. As far as temperature limits, that's experience, I've got a lot of it and it's OK if you want to ignore it my advice, it's your engine. > MH > ----- Original Message ----- > From: Eric Johnson > To: WanderlodgeForum@yahoogroups.com > Sent: Wednesday, August 09, 2006 3:40 PM > Subject: [WanderlodgeForum] Re: Overheating 3208 in a 90SP36 > > > Hello Again Chuck, > Mike's idea about a spray bar will improve cooling capacity on a hot, dry, day, but not sure > where he gets the max numbers on coolant and oil. Important to remember the > thermostat doesn't fully open until 185ºF. Radiator cap pressure rating of 7 psig, altitude > and coolant composition set how hot you can run the radiator before you boil over. > Engine oil can safely operate at sustained temperatures of 220-240ºF and for shorter > periods as high as 300ºF with no problems given normal oil changes. > Regards, Eric > 84FC35SBWL2 > > --- In WanderlodgeForum@yahoogroups.com, "Eric Johnson" > > > > Hello Chuck, > > My 3208 is in the front rather than the back but your experiences were much like mine > > while climbing mountain passes in Colorado. Not sure you can expect any lower > > temperatures than what you're getting in hot summer weather. I found on my coach > that > > it helps some to gear down as your speed drops off to keep RPM's up so the fan cools > > better and the engine load is reduced. > > Regards, Eric > > 84FC35SBWL2 > > > > --- In WanderlodgeForum@yahoogroups.com, "williamcharrison" > > wrote: > > > > > > Just came back from a long trip and noticed that at every extended > > > grade climb the temp gauge would start climbing toward 220. > > > It never reached 220 but the level increase alarms me. I have > > > cleaned the radiator and put new belts on all around. The oil temp > > > also climbs to about 230 (though I don't know what the danger level > > > is). The thermostat was replaced before my first trip this year > > > and I had no similar problems, but then the temperature was in the 70's > > > and on the last trip it was in the 90's. > > > > > > Chuck Harrison > > > Akron, Ohio > > > 90SP36 > > > > > > > > > > > [Non-text portions of this message have been removed] > [Non-text portions of this message have been removed] |
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08-09-2006, 17:14
Post: #16
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Overheating 3208 in a 90SP36
Eric, Keep your chin up. It seems to be his way to drive a point
home. I am with you and not a fan of reengineering things. I also agree that Mike is very knowledgable. If he gets 30G's for his bus I will start buying his books. Gregory O'Connor 94ptRomolandCa --- In WanderlodgeForum@yahoogroups.com, "Eric Johnson" wrote: > > Hello Mike, > I understand that radiator spray systems are nothing new. I've been aware of them for a > number of years. Glad to hear you use one and that it gives you good results. > > I respect the fact that you have a lot of experience, however you are not the only person > that has some knowledge to share on our website. None of us has the corner on > everything there is to know about these coaches. Your experience and knowledge are > valuable to all of us but some of what you think you know may be wrong. > > I hope all of us can continue to share the best of what we know but also be willing to listen > to the views of others without being critical or abusive. > > I wish you many happy Blue Bird miles. > Regards, Eric > 84FC35SBWL2 > > > --- In WanderlodgeForum@yahoogroups.com, "Mike Hohnstein" <MHOHNSTEIN@> > wrote: > > > > Yo, Johnson, it's NOT an IDEA. It's on my vehicle and it actually works, per my oil pan > temp gage and my water temp gage. Nothing new about, just because it seems to be > unfamilar to you. Just returned from a 4000 mile trip to Idaho and am going back next > month so I get on down the road too. As far as temperature limits, that's experience, I've > got a lot of it and it's OK if you want to ignore it my advice, it's your engine. > > MH > > ----- Original Message ----- > > From: Eric Johnson > > To: WanderlodgeForum@yahoogroups.com > > Sent: Wednesday, August 09, 2006 3:40 PM > > Subject: [WanderlodgeForum] Re: Overheating 3208 in a 90SP36 > > > > > > Hello Again Chuck, > > Mike's idea about a spray bar will improve cooling capacity on a hot, dry, day, but not > sure > > where he gets the max numbers on coolant and oil. Important to remember the > > thermostat doesn't fully open until 185ºF. Radiator cap pressure rating of 7 psig, > altitude > > and coolant composition set how hot you can run the radiator before you boil over. > > Engine oil can safely operate at sustained temperatures of 220- 240ºF and for shorter > > periods as high as 300ºF with no problems given normal oil changes. > > Regards, Eric > > 84FC35SBWL2 > > > > --- In WanderlodgeForum@yahoogroups.com, "Eric Johnson" > > > > > > Hello Chuck, > > > My 3208 is in the front rather than the back but your experiences were much like > mine > > > while climbing mountain passes in Colorado. Not sure you can expect any lower > > > temperatures than what you're getting in hot summer weather. I found on my coach > > that > > > it helps some to gear down as your speed drops off to keep RPM's up so the fan > cools > > > better and the engine load is reduced. > > > Regards, Eric > > > 84FC35SBWL2 > > > > > > --- In WanderlodgeForum@yahoogroups.com, "williamcharrison" > > > > wrote: > > > > > > > > Just came back from a long trip and noticed that at every extended > > > > grade climb the temp gauge would start climbing toward 220. > > > > It never reached 220 but the level increase alarms me. I have > > > > cleaned the radiator and put new belts on all around. The oil temp > > > > also climbs to about 230 (though I don't know what the danger level > > > > is). The thermostat was replaced before my first trip this year > > > > and I had no similar problems, but then the temperature was in the 70's > > > > and on the last trip it was in the 90's. > > > > > > > > Chuck Harrison > > > > Akron, Ohio > > > > 90SP36 > > > > > > > > > > > > > > > > > > > [Non-text portions of this message have been removed] > > > |
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08-10-2006, 00:37
Post: #17
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Overheating 3208 in a 90SP36
Right Eric there sure are more ways to skin a cat
evaluation of the cooling system on every coach before you start adding misters. It is the first thing I do. Take off the radiator cap and look down into the radiator core and see if it is clean or has scale. If its not clean remove it and let a reputable radiator shop either clean it or recore it. Check the thermostats and ensure they are opening at the correct temperature. I replaced them both, one was originally installed backwards. My 3208 Cat had 190 degree stats which were recommended for this system. . I would not use the water spray on any coach that I owned to combat over heating of the engine or transmission, UNLESS getting everything up to snuff did not correct the overheating problem. Hayden makes water misters too if you really need them.http://www.haydenauto.com/assets/RapidCoolFlyerlg.jpg Anyone towing should have a transmission cooler separate from the engine radiator,. The addition of the transmission cooler to the radiator is the number one culprit of overheating when towing. The addition of the transmission cooler will have an additional advantage of eliminating the long transmission cooler lines to the radiator making the swing radiator easier to use. Hayden makes them specifically for the Allison transmissions and recommends them highly. http://tinyurl.com/fkp3u In addition I would use an additive called "water wetter" http://www.racerpartswholesale.com/redtech3.htm , added to the 50% mixture of antifreeze it will drop your temperatures approx 20-30 degrees. Just a couple of ideas that work. Tom Warner Vernon Center,NY 1985 PT 40 At 11:31 PM 8/9/2006, you wrote: >Hello Mike, >I understand that radiator spray systems are >nothing new. I've been aware of them for a >number of years. Glad to hear you use one and that it gives you good results. > >I respect the fact that you have a lot of >experience, however you are not the only person >that has some knowledge to share on our >website. None of us has the corner on >everything there is to know about these >coaches. Your experience and knowledge are >valuable to all of us but some of what you think you know may be wrong. > >I hope all of us can continue to share the best >of what we know but also be willing to listen >to the views of others without being critical or abusive. > >I wish you many happy Blue Bird miles. >Regards, Eric >84FC35SBWL2 > > >--- In WanderlodgeForum@yahoogroups.com, "Mike Hohnstein" <MHOHNSTEIN@...> >wrote: > > > > Yo, Johnson, it's NOT an IDEA. It's on my > vehicle and it actually works, per my oil pan >temp gage and my water temp gage. Nothing new >about, just because it seems to be >unfamilar to you. Just returned from a 4000 >mile trip to Idaho and am going back next >month so I get on down the road too. As far as >temperature limits, that's experience, I've >got a lot of it and it's OK if you want to >ignore it my advice, it's your engine. > > MH > > ----- Original Message ----- > > From: Eric Johnson > > To: WanderlodgeForum@yahoogroups.com > > Sent: Wednesday, August 09, 2006 3:40 PM > > Subject: [WanderlodgeForum] Re: Overheating 3208 in a 90SP36 > > > > > > Hello Again Chuck, > > Mike's idea about a spray bar will improve > cooling capacity on a hot, dry, day, but not >sure > > where he gets the max numbers on coolant > and oil. Important to remember the > > thermostat doesn't fully open until 185ºF. > Radiator cap pressure rating of 7 psig, >altitude > > and coolant composition set how hot you can > run the radiator before you boil over. > > Engine oil can safely operate at sustained > temperatures of 220-240ºF and for shorter > > periods as high as 300ºF with no problems given normal oil changes. > > Regards, Eric > > 84FC35SBWL2 > > > > --- In WanderlodgeForum@yahoogroups.com, "Eric Johnson" > > > > > > Hello Chuck, > > > My 3208 is in the front rather than the > back but your experiences were much like >mine > > > while climbing mountain passes in > Colorado. Not sure you can expect any lower > > > temperatures than what you're getting in > hot summer weather. I found on my coach > > that > > > it helps some to gear down as your speed > drops off to keep RPM's up so the fan >cools > > > better and the engine load is reduced. > > > Regards, Eric > > > 84FC35SBWL2 > > > > > > --- In WanderlodgeForum@yahoogroups.com, "williamcharrison" > > > > wrote: > > > > > > > > Just came back from a long trip and noticed that at every extended > > > > grade climb the temp gauge would start climbing toward 220. > > > > It never reached 220 but the level increase alarms me. I have > > > > cleaned the radiator and put new belts on all around. The oil temp > > > > also climbs to about 230 (though I don't know what the danger level > > > > is). The thermostat was replaced before my first trip this year > > > > and I had no similar problems, but then > the temperature was in the 70's > > > > and on the last trip it was in the 90's. > > > > > > > > Chuck Harrison > > > > Akron, Ohio > > > > 90SP36 > > > > > > > > > > > > > > > > > > > [Non-text portions of this message have been removed] > > > > > > > > > >Yahoo! Groups Links > > > > |
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08-10-2006, 01:06
Post: #18
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Overheating 3208 in a 90SP36
Hi Tom,
I like the idea of a separate tranmission cooler as a way to remove heat load from the main radiator but where would you mount it? Would you mount it in front or behind the main radiator or somewhere else? It's got to get a good flow of air to do the job. Have you installed one on your FC? Regards, Eric 84FC35SBWL2 --- In WanderlodgeForum@yahoogroups.com, Tom Warner > > Right Eric there sure are more ways to skin a cat > > evaluation of the cooling system on every coach > before you start adding misters. It is the first > thing I do. Take off the radiator cap and look > down into the radiator core and see if it is > clean or has scale. If its not clean remove it > and let a reputable radiator shop either clean it > or recore it. Check the thermostats and ensure > they are opening at the correct temperature. I > replaced them both, one was originally installed > backwards. My 3208 Cat had 190 degree stats which > were recommended for this system. . > > I would not use the water spray on any coach that > I owned to combat over heating of the engine or > transmission, UNLESS getting everything up to > snuff did not correct the overheating > problem. Hayden makes water misters too if you > really need them.http://www.haydenauto.com/assets/RapidCoolFlyerlg.jpg > > Anyone towing should have a transmission cooler > separate from the engine radiator,. The addition > of the transmission cooler to the radiator is the > number one culprit of overheating when towing. > The addition of the transmission cooler will have > an additional advantage of eliminating the long > transmission cooler lines to the radiator making > the swing radiator easier to use. Hayden makes > them specifically for the Allison transmissions > and recommends them highly. http://tinyurl.com/fkp3u > > In addition I would use an additive called "water > wetter" > http://www.racerpartswholesale.com/redtech3.htm , > added to the 50% mixture of antifreeze it will > drop your temperatures approx 20-30 degrees. > > Just a couple of ideas that work. > > Tom Warner > Vernon Center,NY > 1985 PT 40 > > > > At 11:31 PM 8/9/2006, you wrote: > >Hello Mike, > >I understand that radiator spray systems are > >nothing new. I've been aware of them for a > >number of years. Glad to hear you use one and that it gives you good results. > > > >I respect the fact that you have a lot of > >experience, however you are not the only person > >that has some knowledge to share on our > >website. None of us has the corner on > >everything there is to know about these > >coaches. Your experience and knowledge are > >valuable to all of us but some of what you think you know may be wrong. > > > >I hope all of us can continue to share the best > >of what we know but also be willing to listen > >to the views of others without being critical or abusive. > > > >I wish you many happy Blue Bird miles. > >Regards, Eric > >84FC35SBWL2 > > > > > >--- In WanderlodgeForum@yahoogroups.com, "Mike Hohnstein" <MHOHNSTEIN@> > >wrote: > > > > > > Yo, Johnson, it's NOT an IDEA. It's on my > > vehicle and it actually works, per my oil pan > >temp gage and my water temp gage. Nothing new > >about, just because it seems to be > >unfamilar to you. Just returned from a 4000 > >mile trip to Idaho and am going back next > >month so I get on down the road too. As far as > >temperature limits, that's experience, I've > >got a lot of it and it's OK if you want to > >ignore it my advice, it's your engine. > > > MH > > > ----- Original Message ----- > > > From: Eric Johnson > > > To: WanderlodgeForum@yahoogroups.com > > > Sent: Wednesday, August 09, 2006 3:40 PM > > > Subject: [WanderlodgeForum] Re: Overheating 3208 in a 90SP36 > > > > > > > > > Hello Again Chuck, > > > Mike's idea about a spray bar will improve > > cooling capacity on a hot, dry, day, but not > >sure > > > where he gets the max numbers on coolant > > and oil. Important to remember the > > > thermostat doesn't fully open until 185ºF. > > Radiator cap pressure rating of 7 psig, > >altitude > > > and coolant composition set how hot you can > > run the radiator before you boil over. > > > Engine oil can safely operate at sustained > > temperatures of 220-240ºF and for shorter > > > periods as high as 300ºF with no problems given normal oil changes. > > > Regards, Eric > > > 84FC35SBWL2 > > > > > > --- In WanderlodgeForum@yahoogroups.com, "Eric Johnson" > > > > > > > > Hello Chuck, > > > > My 3208 is in the front rather than the > > back but your experiences were much like > >mine > > > > while climbing mountain passes in > > Colorado. Not sure you can expect any lower > > > > temperatures than what you're getting in > > hot summer weather. I found on my coach > > > that > > > > it helps some to gear down as your speed > > drops off to keep RPM's up so the fan > >cools > > > > better and the engine load is reduced. > > > > Regards, Eric > > > > 84FC35SBWL2 > > > > > > > > --- In WanderlodgeForum@yahoogroups.com, "williamcharrison" > > > > > > wrote: > > > > > > > > > > Just came back from a long trip and noticed that at every extended > > > > > grade climb the temp gauge would start climbing toward 220. > > > > > It never reached 220 but the level increase alarms me. I have > > > > > cleaned the radiator and put new belts on all around. The oil temp > > > > > also climbs to about 230 (though I don't know what the danger level > > > > > is). The thermostat was replaced before my first trip this year > > > > > and I had no similar problems, but then > > the temperature was in the 70's > > > > > and on the last trip it was in the 90's. > > > > > > > > > > Chuck Harrison > > > > > Akron, Ohio > > > > > 90SP36 > > > > > > > > > > > > > > > > > > > > > > > > > > > [Non-text portions of this message have been removed] > > > > > > > > > > > > > > > > > > >Yahoo! Groups Links > > > > > > > > > |
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08-10-2006, 01:48
Post: #19
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Overheating 3208 in a 90SP36
Eric I was just getting ready to add the cooler
when I decided to sell the FC and buy a PT and start all over again going thru every system to make sure it was working satisfactorly. You can order the transmission cooler with a electric fan and thermostat that makes it easy to add almost anyplace there is room. Remember you not only want to keep the temps down on your tranny but want it at about 160 degrees for best service and wear. I would not place the tranny cooler near the radiator since that is where you want the most cooling and thus uninterrupted air flow. ON the site that I referenced you can buy many heavy duty coolers and then either buy it with the fan or add the toronado fan separately. My previous FC35 Cat ran flawlessly with a Horton fan and reworked swing radiator. It ran 190 degrees all of the time unless you really got into some big hills and then it would cycle between 190 and 205 until the extra load was off. That is the way it was designed to run. Tom Warner Vernon Center,NY 1985 PT 40 At 09:06 AM 8/10/2006, you wrote: >Hi Tom, >I like the idea of a separate tranmission cooler >as a way to remove heat load from the main >radiator but where would you mount it? Would >you mount it in front or behind the main >radiator or somewhere else? It's got to get a >good flow of air to do the job. Have you >installed one on your FC? >Regards, Eric >84FC35SBWL2 > >--- In WanderlodgeForum@yahoogroups.com, Tom Warner > > > > Right Eric there sure are more ways to skin a cat > > > > evaluation of the cooling system on every coach > > before you start adding misters. It is the first > > thing I do. Take off the radiator cap and look > > down into the radiator core and see if it is > > clean or has scale. If its not clean remove it > > and let a reputable radiator shop either clean it > > or recore it. Check the thermostats and ensure > > they are opening at the correct temperature. I > > replaced them both, one was originally installed > > backwards. My 3208 Cat had 190 degree stats which > > were recommended for this system. . > > > > I would not use the water spray on any coach that > > I owned to combat over heating of the engine or > > transmission, UNLESS getting everything up to > > snuff did not correct the overheating > > problem. Hayden makes water misters too if you > > really need them.http://www.haydenauto.com/assets/RapidCoolFlyerlg.jpg > > > > Anyone towing should have a transmission cooler > > separate from the engine radiator,. The addition > > of the transmission cooler to the radiator is the > > number one culprit of overheating when towing. > > The addition of the transmission cooler will have > > an additional advantage of eliminating the long > > transmission cooler lines to the radiator making > > the swing radiator easier to use. Hayden makes > > them specifically for the Allison transmissions > > and recommends them highly. http://tinyurl.com/fkp3u > > > > In addition I would use an additive called "water > > wetter" > > http://www.racerpartswholesale.com/redtech3.htm , > > added to the 50% mixture of antifreeze it will > > drop your temperatures approx 20-30 degrees. > > > > Just a couple of ideas that work. > > > > Tom Warner > > Vernon Center,NY > > 1985 PT 40 > > > > > > > > At 11:31 PM 8/9/2006, you wrote: > > >Hello Mike, > > >I understand that radiator spray systems are > > >nothing new. I've been aware of them for a > > >number of years. Glad to hear you use one > and that it gives you good results. > > > > > >I respect the fact that you have a lot of > > >experience, however you are not the only person > > >that has some knowledge to share on our > > >website. None of us has the corner on > > >everything there is to know about these > > >coaches. Your experience and knowledge are > > >valuable to all of us but some of what you think you know may be wrong. > > > > > >I hope all of us can continue to share the best > > >of what we know but also be willing to listen > > >to the views of others without being critical or abusive. > > > > > >I wish you many happy Blue Bird miles. > > >Regards, Eric > > >84FC35SBWL2 > > > > > > > > >--- In WanderlodgeForum@yahoogroups.com, "Mike Hohnstein" <MHOHNSTEIN@> > > >wrote: > > > > > > > > Yo, Johnson, it's NOT an IDEA. It's on my > > > vehicle and it actually works, per my oil pan > > >temp gage and my water temp gage. Nothing new > > >about, just because it seems to be > > >unfamilar to you. Just returned from a 4000 > > >mile trip to Idaho and am going back next > > >month so I get on down the road too. As far as > > >temperature limits, that's experience, I've > > >got a lot of it and it's OK if you want to > > >ignore it my advice, it's your engine. > > > > MH > > > > ----- Original Message ----- > > > > From: Eric Johnson > > > > To: WanderlodgeForum@yahoogroups.com > > > > Sent: Wednesday, August 09, 2006 3:40 PM > > > > Subject: [WanderlodgeForum] Re: Overheating 3208 in a 90SP36 > > > > > > > > > > > > Hello Again Chuck, > > > > Mike's idea about a spray bar will improve > > > cooling capacity on a hot, dry, day, but not > > >sure > > > > where he gets the max numbers on coolant > > > and oil. Important to remember the > > > > thermostat doesn't fully open until 185ºF. > > > Radiator cap pressure rating of 7 psig, > > >altitude > > > > and coolant composition set how hot you can > > > run the radiator before you boil over. > > > > Engine oil can safely operate at sustained > > > temperatures of 220-240ºF and for shorter > > > > periods as high as 300ºF with no problems given normal oil changes. > > > > Regards, Eric > > > > 84FC35SBWL2 > > > > > > > > --- In > WanderlodgeForum@yahoogroups.com, "Eric Johnson" > > > > > > > > > > Hello Chuck, > > > > > My 3208 is in the front rather than the > > > back but your experiences were much like > > >mine > > > > > while climbing mountain passes in > > > Colorado. Not sure you can expect any lower > > > > > temperatures than what you're getting in > > > hot summer weather. I found on my coach > > > > that > > > > > it helps some to gear down as your speed > > > drops off to keep RPM's up so the fan > > >cools > > > > > better and the engine load is reduced. > > > > > Regards, Eric > > > > > 84FC35SBWL2 > > > > > > > > > > --- In WanderlodgeForum@yahoogroups.com, "williamcharrison" > > > > > > > > wrote: > > > > > > > > > > > > Just came back from a long trip and > noticed that at every extended > > > > > > grade climb the temp gauge would start climbing toward 220. > > > > > > It never reached 220 but the level increase alarms me. I have > > > > > > cleaned the radiator and put new > belts on all around. The oil temp > > > > > > also climbs to about 230 (though I > don't know what the danger level > > > > > > is). The thermostat was replaced before my first trip this year > > > > > > and I had no similar problems, but then > > > the temperature was in the 70's > > > > > > and on the last trip it was in the 90's. > > > > > > > > > > > > Chuck Harrison > > > > > > Akron, Ohio > > > > > > 90SP36 > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > [Non-text portions of this message have been removed] > > > > > > > > > > > > > > > > > > > > > > > > > > > >Yahoo! Groups Links > > > > > > > > > > > > > > > > > > > > > >Yahoo! Groups Links > > > > |
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08-10-2006, 02:14
Post: #20
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Overheating 3208 in a 90SP36
Hey Mike & Eric,
The BB manual in the Blue Box states that the normal oil temp for the 3208 should be between 200 and 250. BB did not build the 3208, 250 degrees sounds really high, And gage readings could be off by atleast 10%. My 2 cents, Bill 88 FC Michigan --- In WanderlodgeForum@yahoogroups.com, "Eric Johnson" wrote: > > Hello Mike, > I understand that radiator spray systems are nothing new. I've been aware of them for a > number of years. Glad to hear you use one and that it gives you good results. > > I respect the fact that you have a lot of experience, however you are not the only person > that has some knowledge to share on our website. None of us has the corner on > everything there is to know about these coaches. Your experience and knowledge are > valuable to all of us but some of what you think you know may be wrong. > > I hope all of us can continue to share the best of what we know but also be willing to listen > to the views of others without being critical or abusive. > > I wish you many happy Blue Bird miles. > Regards, Eric > 84FC35SBWL2 > > > --- In WanderlodgeForum@yahoogroups.com, "Mike Hohnstein" <MHOHNSTEIN@> > wrote: > > > > Yo, Johnson, it's NOT an IDEA. It's on my vehicle and it actually works, per my oil pan > temp gage and my water temp gage. Nothing new about, just because it seems to be > unfamilar to you. Just returned from a 4000 mile trip to Idaho and am going back next > month so I get on down the road too. As far as temperature limits, that's experience, I've > got a lot of it and it's OK if you want to ignore it my advice, it's your engine. > > MH > > ----- Original Message ----- > > From: Eric Johnson > > To: WanderlodgeForum@yahoogroups.com > > Sent: Wednesday, August 09, 2006 3:40 PM > > Subject: [WanderlodgeForum] Re: Overheating 3208 in a 90SP36 > > > > > > Hello Again Chuck, > > Mike's idea about a spray bar will improve cooling capacity on a hot, dry, day, but not > sure > > where he gets the max numbers on coolant and oil. Important to remember the > > thermostat doesn't fully open until 185ºF. Radiator cap pressure rating of 7 psig, > altitude > > and coolant composition set how hot you can run the radiator before you boil over. > > Engine oil can safely operate at sustained temperatures of 220- 240ºF and for shorter > > periods as high as 300ºF with no problems given normal oil changes. > > Regards, Eric > > 84FC35SBWL2 > > > > --- In WanderlodgeForum@yahoogroups.com, "Eric Johnson" > > > > > > Hello Chuck, > > > My 3208 is in the front rather than the back but your experiences were much like > mine > > > while climbing mountain passes in Colorado. Not sure you can expect any lower > > > temperatures than what you're getting in hot summer weather. I found on my coach > > that > > > it helps some to gear down as your speed drops off to keep RPM's up so the fan > cools > > > better and the engine load is reduced. > > > Regards, Eric > > > 84FC35SBWL2 > > > > > > --- In WanderlodgeForum@yahoogroups.com, "williamcharrison" > > > > wrote: > > > > > > > > Just came back from a long trip and noticed that at every extended > > > > grade climb the temp gauge would start climbing toward 220. > > > > It never reached 220 but the level increase alarms me. I have > > > > cleaned the radiator and put new belts on all around. The oil temp > > > > also climbs to about 230 (though I don't know what the danger level > > > > is). The thermostat was replaced before my first trip this year > > > > and I had no similar problems, but then the temperature was in the 70's > > > > and on the last trip it was in the 90's. > > > > > > > > Chuck Harrison > > > > Akron, Ohio > > > > 90SP36 > > > > > > > > > > > > > > > > > > > [Non-text portions of this message have been removed] > > > |
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