Is a shift kit safe to install on a 4T65E-HD transmission that has 120k miles one it? I'll be changing the filter within the next 2 weeks and was just wondering if it would be worth it. From a reliability stand point.
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06-02-2012
Is a shift kit safe to install on a 4T65E-HD transmission that has 120k miles one it? I'll be changing the filter within the next 2 weeks and was just wondering if it would be worth it. From a reliability stand point.
06-02-2012
Yes, its always safe.
I'd suggest a trans go kit off ebay for about 50ish bucks.
06-02-2012
Is the one from zzp any good?
06-02-2012
I only ask because I have an order I'm about to place from there.
06-02-2012
No, do not buy from ZZP.
Transgo shift kit is way better.
06-03-2012
I just thought about this. I do have the ZZP 1.0 PCM which does the following (and more). I thought I remember reading that if the Transmission line pressure is increased you should not install a shift kit. Is that the case?
Speed limiter removed
Raised rev limiter
Raised shift points
3-1 and 4-2 skip shifts
Programmed for race pellet added timing
Transmission line pressure increased
06-03-2012
ZZP shift kits.. More like zzp **** kits.
Friends shims mushroomed in his kit.
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