1997 F53 460 and Rotella R6 5w40
Hey guys, I have a 97 F53 chassis with the 460 with 11,000 miles. I just got it so I don’t know what oil was in it but it had a Ford filter and the oil looked surprisingly clean. Today I put a Mobi...
Forum Discussion
John&Joey wrote:
In this case I would stick with OEM spec's (also I would even buy it from Ford and pay the devil his toll make sure you state F53 or even Super Duty.)
Remember the thermostat is for the engine (and for cab comfort,) not the fluid in the radiator. If all you did was run the engine without it, the fluid would not have enough time in the radiator to cool down properly.
What you want to make sure is that the fan's thermostat is working correctly. As I remember it is a bi-metal coil that when it heats up it grabs the fan and spins it. That will bring down the temps right now. If with those few miles and those many years that coil is corroded, well you're a street smart guy.
Thanks! I actually just ordered a Robertshaw balanced thermostat which is supposed to be the best. As for the fan thermostat it definitely works it kicked in the other night when the temp went up and cooled it right off like you said.
