visually check and smell the ATF should be cherry red and no burnt smell- i check and replace my every year. oh yes when tuning auto - make sure they a/f ratio compensate for shift point, since we auto don't let the gas go when shifting. but that for high boost at low boost 6-8psi with good tune should last you well as long as you take care of it. low boost on our stock h22 =mid level boost for built up engine with lower c/r piston due to higher compression.
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