Plug in Trans shift improver
05-01-2005, 11:32 AM
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Plug in Trans shift improver Summit sells this thing you plug right into the trans harness that supposed to improve line pressure and give firmer shifts. Any of you guys use this and is it worth it?
05-01-2005, 03:11 PM
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no dont get it, i have talked to many people in the past when it first came out and most had problems with it causing trany failure. Your best bet would be a shift kit and programming. You could just try some new programming also and see how you like that...
