Join Date: Oct 2012
Location: Western kentucky
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Normal temp stock engine.
I am assuming a few things with my new to me 1995 F350 7.3 ps.
The dash temp gauge failed before I got the truck. The PO installed a mechanical temp gauge and mounted it on the floor. Hard to read down there so I had it replaced, moved to the piller. New mechanical temp gauge.
The other day I finally had a moderate road trip. Only about an hour each way on contry roads and running empty.
Speeds averaging 50 to 55 empty, standard trans. The engine runs about 150 degrees at the gauge.
When I get into town and slow down, it drops to about 140 degrees.
I'm familure with gassers running about 200 all the time. But this is my first diesel.
Is this normal for a stock 7.3 engine? Or is this a symptom of a failed, not closing, thermostat or something like that?
It has been suggested i replace the thermostat with a 203 degree thermostat but there is some question as to if I need a short stem or long stem and if my water pump is original stock or replaced and if replaced did they use a slightly different pump that can take the long stem.....etc...confusing. May have to leave that up to my diesel mechanic I use.
1995 Ford F-350 XLT Centurion conversion 7.3 power stroke diesel dually (Sam).
1953 Airstream Cruiser Travel trailer (The Runaway Sue)