Convert to th400 questions
May 14, 2012 | 07:24 PM
#1
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Convert to th400 questions
I have a 03 gmc 4.8 with bolt ons been threw one trans already lookin for different setup was lookin into doin a th400 with full manuel valve body so i control the shifting now hows that gonna work with the ecm?
May 14, 2012 | 07:33 PM
#2
tune it for a 5-speed. don't think you need a 5 speed ecm, should be able to set it up in the tune. th400 is a blast btw. just don't forget you don't have OD, so it will cranking down the highway.
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