[Fwd: Re: [wanderlodge] 8V92 Low Fuel Pressure]

[Curt Sprenger]

John,

" Do I stick with what I got or get the radiator redone and put in a new
thermostat." Good question...

My 8V92 Shop Manuals are dated October 1988. The various 8V92
configurations all state Coolant Temperature 170-195.
Considering what Randy posted, his post got me started on my latest
project, I found what Randy pointed out, and that is the coolant hoses
to the air compressor are in question on our older units, yours not
being as old as my unit, but yours has 35,000 more
miles/heat/vibration/crud/etc.

Your engine coolant is operating within the specified range stated in
the 1988 manuals. I suggest finding the manuals that include your engine
year. Could be different as Detroit was trying to clean up the air with
the electronic controlled engines.

Sounds like the previous owner never changed the T-Stats or cleaned the
radiator. Considering the cost of a new engine, $25,000, changing the
T-Stats and cleaning and rodding-out the radiator would be good
preventative maintenance. If your radiator can be saved that is a good
thing. A new radiator core cost in the thousands.

A friend and I did all the removal and installing on my 'Bird. I saved
lots of dollars. The cost for the radiator rodding/cleaning came to
$696.00. Silicone hose price varies from store to store, silicone hose
clamps the same, none are cheap.

My advise. Change the T-Stats, remove the radiator and have it checked
and cleaned. While at it, replace the fuel hoses while the coolant tubes
are out. They need to be removed anyway to tackle the fuel lines. And be
sure to take care of the air compressor hoses. If you go this far, buy a
rebuild kit and rebuild the fan hydraulic motor and be sure to get new
o-rings for the hose adapters.

Lots to think about. Good project. Give yourself three weeks to get all
this done.

Good luck.

Curt Sprenger
1987 PT38 8V92 "MacAttack Racing"
Anaheim Hills, Calif.


jvredden@... wrote:

> My number for oil and water are about where you say you were at. If
> the hyd
> bypass is engaged then it drops a bunch. With no hyd bypass I see the
> thermostat cycle around just over 190 to just under 190 and oil in the
> 230 range.
> I took a temp gun and shot the water jacket and oil cooler and found both
> to be around 190. I checked with the man that owned it before me. He
> owned
> it for 10+ years and said that was the numbers that had always been
> with the
> coach. Do I stick with what I got or get the radiator redone and put
> in a new
> thermostat. It has 128k miles of running the way it is
>
> john redden
> 91 PT40
>


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