[JackH]

when i start up my truck my oil pressure is at about 60 on the gauge. a friend told me that for optimum performance you should let the truck run for a minute and let the oil pressure go down to about 30 before driving anywhere. when i let the truck sit the oil pressure does go down and the truck seems to drive better like that. is this true?

 

[Tow Master]

Yes it is partly true. The oil "especially 50degrees an bellow" has the consistany of road tar. After it heats up it can go through all the oil passages better and help protect your motor better.

Unfortunatly while driving it you want tell the difference.



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[TravelswithCharly]

I agree. I make an effort to not gun it till 2000 rpm pressure has dropped below 60. Pressure is a reflection of viscosity, and cold oil resistance to flow. I used to see 30 psi while towing, and idle around 10-15. That concerned me even more.