so i am about to change my oil. when i was on the built block i was using vr1 20 50w what AWD uses.
I am on the stock block now and i was told to keep using the same zr1 20 50 w.....
is this too thick for a stock block?????

 

Id say yes for a stock engine stick to 30 viscosity.

 

which turbo are you running?

 

I doubt it will be too thick...especially being in florida. Unfortunately, you really can't tell for sure without an oil pressure gauge

How many miles are on your block?

 

I'm running an fp black. Engine has about 35k