Anybody know of high performances tranny or built proof tranny for a 06 Duramax ??
#12
with the Trans Go Jr it will hold like i said for a while at 225 Eng Hp, mine did. There was wear tho when I did the Suncoast 4. It looks like they changed a few things maybe you want to check it out.. Sun Coast Converters Diesel Transmissions, Fort Walton Beach FL There really is no in between from the Trans Jr IMHO, to a bulit Trans..
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