6" SS EXHAUST STACK
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10-31-2008, 09:14
Post: #21
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6" SS EXHAUST STACK
David,
I think your muffler is 6" inlet & out your pipes from the turbo to the muffler are 5" Kurt Horvath 95 PT 42 10AC --- In WanderlodgeForum@yahoogroups.com, David Brady wrote: > > The LXi, like your WB, uses a 6 inch muffler. Five inch will > certainly suck some ponies away. > > David Brady > '02 LXi, NC > > Kurt Horvath wrote: > > > > > > > > Yea I've heard that but the one with the liner has fixed the high > > pressure leaks according to the Mfg. Let's hope. Prevost has from > > what I recall pipes bent in one piece, they are held together with > > those nifty band clamps that seat and conform to the pipe exterior, > > If the V-Bands and Flanges don't work out I'll go to those pipe > > clamps. The Flanges are also available with three different types of > > gaskets, o-ring, flat, and, and, and I can't remember, oh yea the > > type I bought, male-female flanges, perfect alignment, leak free, > > again according to Vibrant Mfg. There is also a Stainless Steel > > Muffler available that may work well on your coach, but it's inlet > > outlet is 5" not the 6" like on your coach. well I assume yours is > > 6"??? Also it is 10" in diameter which would help with crowed exhaust > > tunnel. > > > > Kurt Horvath > > 95 Pt 42 > > 10AC > > > > --- In WanderlodgeForum@yahoogroups.com > > > > wrote: > > > > > > Hi Kurt, > > > > > > No thanks, I already have a stock muffler. Thanks for the links, > > > there's some pretty nifty items there. Be careful with those fancy > > > braided stainless steel pieces. They look sharp, but they've always > > > leaked on my turbocharged subaru wrx. Kurt, you've been around > > > a few over-the-road coaches, Prevost' and what not, what do they > > > run on their exhaust systems; i.e., expansion pipes, flex pipe, etc. > > > > > > David Brady > > > '02 LXi, NC > > > > > > Kurt Horvath wrote: > > > > > > > > David, Would you like to take that brand new muffler off my > > hands??? > > > > > > > > According to DD straight pipe & ECU will not have any issues in > > the > > > > 95 vintage S 60. > > > > > > > > OEM built that pipe for BB ACAP - As Cheep As Possible - > > > > > > > > The original routing of the pipe leaves the turbo, source of the > > > > first failure, cracked the 1st 90 degree turn a short straight run > > > > 2nd. 90 degree turn, then into a double ball connector that also > > > > telescopes in and out. You can check out that piece of S---, sorry > > > > engineering wonder here. > > > > > > > > http://www.dynaflexproducts.com/download...g_03_pg70- > > <http://www.dynaflexproducts.com/download...g_03_pg70-> > > 89.pdf > > > > <http://www.dynaflexproducts.com/download...g_03_pg70- > > <http://www.dynaflexproducts.com/download...g_03_pg70-> > > 89.pdf> > > > > > > > > Page 76 Double Ball Joint with Slip Joint Feature Allowing Lateral > > > > Movement length 16 to 18 inches mine measures 14 .55 inches at > > > > present. This marvel allows for 10 degrees of angularity 360 > > degree > > > > rotation 2" of offset 2" axial movement,. Hell the u joints can't > > > > move around that much. Besides it was hard clamped to the mount > > from > > > > the engine in front of this connection not to mention rusted to > > the > > > > point that it took an pneumatic impact chisel to get it apart.. So > > > > what's the point. You need flex in between the turbo and the first > > > > mount. > > > > > > > > The Flex Connector with liner I choose is here at > > > > > > > > http://vibrantperformance.com/catalog/product_info.php? > > <http://vibrantperformance.com/catalog/product_info.php?> > > > > <http://vibrantperformance.com/catalog/product_info.php? > > <http://vibrantperformance.com/catalog/product_info.php?>> > > > > > > cPath=1022_1035_1064_1114&products_id=1008&osCsid=999d7ef5fdd15864bae3 > > > > 3db41abf5ef9 > > > > > > > > The 2 90 degree turns were fabricated in that manner because it's > > not > > > > easy to bend large diameter pipe in a single 180 degree bend, thus > > > > they weld 2 90's together, which is the industry standard for > > > > manufacturing a 180 degree turn in large pipe exhausts. Well this > > > > ain't the factory and we're not constrained by what is easy. I > > have > > > > acquired a 14ga 180 degree U-Tube that has the same external > > > > dimensions as the original pipe. I'm not an engineer but I > > reasonably > > > > certain that with the remaining 90 degree bend and a 45 degree > > bend > > > > there will be sufficient back pressure. > > > > > > > > There will also be a flexible pipe hanger mount behind the Flex > > > > connector mounted on the ceiling of the engine compartment that > > will > > > > support the middle section of pipe and will allow for any movement > > > > and or torque that may be transferred to the pipe by the motor. > > The > > > > original clamps for the muffler have to go as they are 6" but the > > > > rubber isolated mounting bars will remain and that's all that was > > > > there to begin with. So where's the rub? Bub! > > > > > > > > Not to take anything away from the engineers that designed the > > Bird, > > > > But there are some glaring deficiencies. 7 way trailer plug, Air > > > > Purge System, Watts valve, Accelerator and Brake peddles, Front > > Left > > > > Shock Mount, Relay for Jake Brake, W/D Vent for Slendide 2000, > > > > Installation of Refrigerator with inadequate convection, The seat > > > > belts mounted to floor instead of the seat, That reminds me I > > still > > > > have to fix that one. Nothing like hitting a road transition just > > to > > > > have the air ride seat bounce and the seat belts automatically > > adjust > > > > for the slack then the air ride seat rebounds and the belts try to > > > > cut you in half at the waist. That's just the 95 PT 42. I'm not > > > > bitchin! I'm fixin > > > > > > > > Kurt Horvath > > > > 95 PT 42 > > > > 10AC > > > > > > > > --- In WanderlodgeForum@yahoogroups.com > > > > > > > > > > wrote: > > > > > > > > > > Kurt, > > > > > > > > > > I agree with Greg. I'm gonna keep mine stock. There's a bunch > > > > > of vibration and movement back there. I figure BB's been > > building > > > > > buses a whole lot longer than I have. Initially I'd scratch my > > > > > head when looking at the frame and support pieces, but when > > > > > you consider that something as big as a bus must twist and flex, > > > > > this flexibility needs to be designed in. Make one piece > > stronger > > > > > and you've created a stress raiser someplace else. > > > > > > > > > > I have a friend who transplanted a honda v-tech motor into a > > > > > lotus elise. Everything worked but the alternator mount. The > > mount > > > > > insists on cracking. There can be some weird harmonics and > > > > > resonant frequencies going on that are difficult to grasp and > > > > > only trial and error and a 50 year track record of building > > buses > > > > > can solve (unless you can model it and run high powered > > > > > computer finite element analysis on it). He's still fighting > > that > > > > > mount... > > > > > > > > > > Okay, I'm off my soap box. > > > > > > > > > > David Brady > > > > > '02 LXi, NC > > > > > > > > > > Gregory OConnor wrote: > > > > > > > > > > > > Kurt, try and figure why there were 4 bends. it may be that > > it was > > > > > > engineered to alow for swing room between the 'hung exhaust' > > and > > > > > > the 'torque reaction of the ruber mounted detroit'. look at > > the > > > > roll > > > > > > of the torque and see that there is a place for the movement > > to > > > > twist > > > > > > a union. I kinda think this movement was the problem with the > > > > > > resulting crack. crack=result ;movement=cause ;facilitate > > movement > > > > > > =repair. may be that BB enginered it correct but someone > > > > > > overtightened a band to cure an exhaust leak??????? you also > > got > > > > to > > > > > > keep the stack from cantilivering off of the maniford with > > your > > > > new > > > > > > design. Scavenging is one variable in fuel efficiency. even > > > > straight > > > > > > pipes some time will result in lower fuel economy because the > > > > intake > > > > > > variable get screwd. backpressure is mathed into the computer. > > > > > > > > > > > > > > > > > > ---------------------------------------------------------- > > > > ------ > > > > > > > > > > > > Internal Virus Database is out-of-date. > > > > > > Checked by AVG. > > > > > > Version: 7.5.405 / Virus Database: 270.8.0/1715 - Release > > Date: > > > > 10/9/2008 12:00 AM > > > > > > > > > > > > > > > > > > > > > > > ---------------------------------------------------------- > > ------ > > > > > > > > Internal Virus Database is out-of-date. > > > > Checked by AVG. > > > > Version: 7.5.405 / Virus Database: 270.8.0/1715 - Release Date: > > 10/9/2008 12:00 AM > > > > > > > > > > > > > ------------------------------------------------------------------ ------ > > > > Internal Virus Database is out-of-date. > > Checked by AVG. > > Version: 7.5.405 / Virus Database: 270.8.0/1715 - Release Date: 10/9/2008 12:00 AM > > > |
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Messages In This Thread |
6" SS EXHAUST STACK - erniecarpet@... - 10-21-2008, 07:11
6" SS EXHAUST STACK - Kurt Horvath - 10-21-2008, 10:52
6" SS EXHAUST STACK - Rob Robinson - 10-21-2008, 11:02
6" SS EXHAUST STACK - Leroy Eckert - 10-21-2008, 11:05
6" SS EXHAUST STACK - Leroy Eckert - 10-21-2008, 11:24
6" SS EXHAUST STACK - David Brady - 10-21-2008, 16:28
6" SS EXHAUST STACK - erniecarpet@... - 10-30-2008, 04:37
6" SS EXHAUST STACK - erniecarpet@... - 10-30-2008, 06:05
6" SS EXHAUST STACK - Kurt Horvath - 10-30-2008, 08:30
6" SS EXHAUST STACK - erniecarpet@... - 10-30-2008, 08:53
6" SS EXHAUST STACK - Kurt Horvath - 10-30-2008, 09:56
6" SS EXHAUST STACK - mbulriss - 10-30-2008, 10:38
6" SS EXHAUST STACK - Kurt Horvath - 10-30-2008, 11:39
6" SS EXHAUST STACK - Gregory OConnor - 10-30-2008, 12:48
6" SS EXHAUST STACK - David Brady - 10-30-2008, 14:02
6" SS EXHAUST STACK - Kurt Horvath - 10-30-2008, 15:56
6" SS EXHAUST STACK - Kurt Horvath - 10-30-2008, 16:33
6" SS EXHAUST STACK - Kurt Horvath - 10-30-2008, 17:06
6" SS EXHAUST STACK - David Brady - 10-30-2008, 17:31
6" SS EXHAUST STACK - David Brady - 10-31-2008, 08:39
6" SS EXHAUST STACK - Kurt Horvath - 10-31-2008 09:14
6" SS EXHAUST STACK - ronmarabito2002 - 10-31-2008, 12:42
6" SS EXHAUST STACK - David Brady - 10-31-2008, 14:05
6" SS EXHAUST STACK - David Brady - 10-31-2008, 14:30
6" SS EXHAUST STACK - Kurt Horvath - 10-31-2008, 17:24
6" SS EXHAUST STACK - Pete Masterson - 11-01-2008, 04:18
6" SS EXHAUST STACK - David Brady - 11-01-2008, 05:33
6" SS EXHAUST STACK - Kurt Horvath - 11-01-2008, 06:25
6" SS EXHAUST STACK - Kurt Horvath - 11-01-2008, 06:47
6" SS EXHAUST STACK - David Brady - 11-01-2008, 06:50
6" SS EXHAUST STACK - Rob Robinson - 11-01-2008, 06:53
6" SS EXHAUST STACK - David Brady - 11-01-2008, 07:33
6" SS EXHAUST STACK - Gregory OConnor - 11-01-2008, 08:16
6" SS EXHAUST STACK - Kurt Horvath - 11-01-2008, 08:41
6" SS EXHAUST STACK - Kurt Horvath - 11-01-2008, 08:55
6" SS EXHAUST STACK - ronmarabito2002 - 11-01-2008, 11:59
6" SS EXHAUST STACK - Gregory OConnor - 11-01-2008, 12:13
6" SS EXHAUST STACK - David Brady - 11-01-2008, 12:14
6" SS EXHAUST STACK - Kurt Horvath - 11-01-2008, 12:30
6" SS EXHAUST STACK - David Brady - 11-01-2008, 13:27
6" SS EXHAUST STACK - David Brady - 11-01-2008, 14:30
6" SS EXHAUST STACK - David Brady - 11-01-2008, 16:35
6" SS EXHAUST STACK - Kurt Horvath - 11-01-2008, 16:41
6" SS EXHAUST STACK - David Brady - 11-01-2008, 18:37
6" SS EXHAUST STACK - Kurt Horvath - 11-01-2008, 18:41
6" SS EXHAUST STACK - David Brady - 11-01-2008, 18:49
6" SS EXHAUST STACK - David Brady - 11-02-2008, 02:09
6" SS EXHAUST STACK - Kurt Horvath - 11-02-2008, 03:17
6" SS EXHAUST STACK - hippieforever3 - 11-02-2008, 06:41
6" SS EXHAUST STACK - rogerwwebb@... - 11-03-2008, 03:25
6" SS EXHAUST STACK - Joyce and Richard Hayden - 11-03-2008, 08:12
6" SS EXHAUST STACK - Rob Robinson - 11-03-2008, 08:25
6" SS EXHAUST STACK - Gregory OConnor - 11-03-2008, 12:14
6" SS EXHAUST STACK - Joyce and Richard Hayden - 11-03-2008, 15:41
6" SS EXHAUST STACK - Tom McCarthy - 11-05-2008, 18:14
6" SS EXHAUST STACK - Pete Masterson - 11-06-2008, 03:18
6" SS EXHAUST STACK - Kurt Horvath - 12-04-2008, 02:58
6" SS EXHAUST STACK - Wallace Craig - 12-04-2008, 03:08
6" SS EXHAUST STACK - Kurt Horvath - 12-04-2008, 04:20
6" SS EXHAUST STACK - David Brady - 12-04-2008, 04:40
6" SS EXHAUST STACK - Wallace Craig - 12-04-2008, 04:51
6" SS EXHAUST STACK - robert nloomas - 12-04-2008, 07:16
6" SS EXHAUST STACK - Wallace Craig - 12-04-2008, 07:49
6" SS EXHAUST STACK - Pete Masterson - 12-04-2008, 12:14
6" SS EXHAUST STACK - Pete Masterson - 12-04-2008, 12:18
6" SS EXHAUST STACK - Kurt Horvath - 12-04-2008, 15:16
6" SS EXHAUST STACK - Wallace Craig - 12-04-2008, 15:24
6" SS EXHAUST STACK - David Brady - 12-04-2008, 15:47
6" SS EXHAUST STACK - Kurt Horvath - 12-04-2008, 16:28
6" SS EXHAUST STACK - Kurt Horvath - 12-04-2008, 16:40
6" SS EXHAUST STACK - Terry Neal - 12-04-2008, 16:56
6" SS EXHAUST STACK - Stephen Birtles - 12-05-2008, 01:23
6" SS EXHAUST STACK - Chris Fogleman - 12-05-2008, 03:33
6" SS EXHAUST STACK - Terry Neal - 12-05-2008, 04:29
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