[Dynomite]

Originally Posted by George Maz

I like to do my research one time, find the best recommendation and move on. Been using Mobil1 in everything, but the ZR-1 getting full Amsoil from now on, period.

I use Mobile 1 engine oil in everything else except the ZR-1s just like George

I use Mobile 1 Oil Filter and Mobile 1 Differential Fluid in the ZR-1s, PERIOD

I use Amsoil 10W-40 in the LT5 engine.
I use Castrol 10W-60 in the ZF S6-40 (Black Label or Blue Label) Transmission.

See What Fluids to use in the ZR-1


.........