Longevity Question

[Henry Jay Hannigan]

-GREG:
Enjoyed your comments about the 3208. I have a 90SP36 with 300 3208
and I also put the "purple cat coolant in even though it cost me
$16.00 a gallon. It was nice to hear your comments about the
coolant. Glad I changed it.
As for the AIR filter, I just have the BIG $125 one on the
engine...I guess it is just a R&R filter..no way to blow it out
right??? Is there another filter I should use???
Thanks for your comments.
Regards,
Hank Hannigan
90SP36
In Hawaii for now











-- In WanderlodgeForum@yahoogroups.com, "Gregory OConnor"
wrote:
>
> Tom, The Cat 3208 are great engines I have one in a dumptruck with
> over 500,000 miles and have had several prior. I believe you are
> mistaken in the old style air filter systems are very poor. The
> filters must allow for dustpacking or they would become inpassable
> after one trip . The higher micron filters dustup too fast and
need
> to be blown out and simply removing the dirty dusty filter exposes
> the intake to filth. The retrofit 'filter in a filter' is the
best
> system to use I only service (blowout) the outer filter when the
> gauge (mass airflow) reads in the red. I have serviced this after
> one day and after 4 months, it is not a time or mile thing.The
inner
> filter only needs changing when the color of that filter changes.
Oil
> filters are the same, when they get too dirty the oil will
bypass. I
> change oil and filter every 10,000 miles but drop 3 gallons of hot
> oil at 5,000 miles and replace with fresh without a filter
change.
>
> I live in the desert and dont take a chance with the cooling
system.
> I keep the hot thermostat in the radiator. This is the one the
MFG
> recommends. why run it cooler than that? I use Cat coolant because
I
> lost a block to rust and was told that it would not have happened
> using purple cat.
>
> The post asked why the engines are replaced. Cat didnot design
the
> 3208 engine to be rebuildable in place. To resleve this engine you
> must put the block in a machine shop. The Detroit would work
great
> in a FC because it is rebuildable inframe. Remove the heads and
> oilpan. disconnect the pistons and pull out the sleve piston and
> rings. The detroits in the pushers have less overhead room to
remove
> and replace the heads and pistons. To do major work both FC and
> pushers often must come out. With the time and expence to remove
and
> replace combined with the high value of the rig, many owners faced
> with the task drop in a rebuilt powerplant.
>
> Tom I think you are so wise to point out that Lugging the engine
is a
> reason for premature failure. Lugging occurs when the operator
> demands and or continues to demand an engine to increase rpms and
it
> can not increase rpms or engine speed. That is the time you back
off
> the accelerator and down shift and bring the r's up to max befor
> upshifting or just stay at max r's in a lower gear untill the
climb
> changes. Watch over reving while using a lower gear.
>
> I am just learning to understand the allison in my lodge. When I
> drive , I watch the gauges and from time to time I look up to see
the
> road.
>
> Gregory O'Connor
> 94pt40
> Romoland California
> --- In WanderlodgeForum@yahoogroups.com, Tom Warner

> wrote:
> >
> > Greg just a couple of points.
> >
> > 1. Air filters are not more efficient when they are dirty and as
> the
> > dirt builds up you are cutting down on the air flow thru the
> engine.
> > They are at their best when new.
> >
> > 2. Cat engines require regularly scheduled maintainence to be
> > performed just like every other engine. If you use the correct
> oil,
> > keep the correct chemically balanced coolant in the engine, dont
> lug
> > it when under load then it will outlast you. These 3208 Cats are
> > tough even though they are not a sleeved engine.
> >
> > 3. The Cat 3208 is among the most reasonable remaned engine on
the
> > market. And these engines CAN be resleeved and it is done every
day
> to them.
> >
> > 4. When you see an engine in ANY motorhome replaced at the 60-
> 70,000
> > mile marker then you can be damn sure that engine was abused by
not
> > doing the above.
> >
> > Tom Warner
> > 1982 FC35
> > Vernon Center,NY
> >
> > At 09:39 AM 10/11/2005, you wrote:
> > >I think owners do dumb (thoughtful to sleeping campers) things
> like use
> > >electric air compressors to pump up the brakes so they can move
the
> > >coach away from camp without warming the engine for 20- 30
min.Too
> cold
> > >is just as bad as too hot.The cats are not inframe sleve
cylinder
> > >rebuildable, the inframe on the detroits are hard to do because
> the low
> > >overhead clearance. Air filters and lube oil are replaced too
> often,
> > >and owners fail to realize that filters are more efficient when
> dirty.
> > >If an owner has a major repair, and plan to take a long trip it
> just
> > >feels better to replace the entire engine. They are probably
over
> > >replaced because the value of the entire rig is so high in
> comparison
> > >to a replacement.
> > >
> > >Gregory O'Connor
> > >warming my dumptruck up while I write this post
> > >94pt40 8v92
> > >Romoland, California
> > >
> > >--- In WanderlodgeForum@yahoogroups.com, "boatsarefunus"
> > > wrote:
> > > >
> > > > Why, I wonder, are there so many 10-15 year old Wanderlodges
> with
> > > > rebuilt relatively "low time" engines. Some less than 100k
> miles and
> > > > 3000 hrs. Look at the used ones for sale.
> > > >
> > > > I've been operating diesel engines in cruising boats for 15
> years,
> > >not
> > > > like I don't know diesels, so I just want to hear it from
the
> owner
> > > > group, what's the deal with the Detroit's. Is the Cat
better,
> how
> > > > about the Cummins. I have been lead to believe the Detroit
is
> a 500k
> > > > mile plus engine. What gives.
> > > >
> > >
> > >
> > >
> > >
> > >
> > >
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