If you use redline, be sure to compleatly drain all the old oil befor using it.

If you ever want to go back to any other oil its either:

Split the box and degrease gearset or,

Drain, fill with deisel and drive around the block, drain and use any brand oil.

Obviously, option 1 is better.

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500+hp and helis on tap, eta - June 2025.