I use 20w50. I kinda like seeing 60 psi or so of oil pressure.. Then again, Josh told me to use that sooo I'm going to stick with what the enigne builder said..
Also ifyou race your car a lot, use the heavier weight oil. If its just a DD use whatever is on the cap.
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2004 GTO GMM shifter Spohn stuff, tint and my love......
1988 Camaro Vert -Sold
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