Originally Posted by J_Bone

You running the RPM or MIP? I think you meant MIP. If so, Try 35wt.(yellow springs) in the front and 30wt (try Batch 1 yellows or batch 2 red) in rear. That heavy weight in front was to accommodate for summer heat (110*F) and the MIP piston which is equal to AE#2. But with cooling temps, go with 35wt. Plus, shock location is critical. If you move the shock out, it will require less wt. oil.