Originally Posted by houston

Used to get rust on bearings and crank before I STOPPED running the fuel/oil out of the engine

Routine now is to dump excess fuel out of tank and let engine cool naturally, no aro !

Using byrons gen 2 fuels , pro driver or race 3000 have PLENTY of oil left in the crankcase and NO RUST

If you do prefer to run fuel out and use aro I recommend rbmods aro and plenty of it