A few months back we detailed the buildup and testing of our street 4L60E trans with help from our trans man Jimmy Galante and parts from Sonnax and TCI Automotive. But that was only half the battle.
Modern GM transmissions can be more than a little tricky with all the wiring and tuning involved, but nobody said it needed to be that way. If only there were a little computer you could slap on your ...
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