Quote:
Originally Posted by 65chevysub
Here in Az I run 20w50 during the summer and 10w40 during the winter in my 283. My problem is my gauge reads very low after it gets warmed up. When I first start it, it reads about 50psi.
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How does the temps run on your truck during the summer? Isn't 20w/50 too thick? It present take long to circulate in the motor when starting up? I like the idea of thinker oil but I like the be more cautious and gather info before I do