Allison 6sp: Swap Allison for???

D-MAX Mafia

Hood down, smoke up!
Nov 4, 2009
1,112
13
38
Phoenix
X2 the shifts are so inconsistent and sloppy. Even on a built trans it sux. Im thinking zf6!

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TrentNell

Finally underway !!!!!
Jul 7, 2008
7,543
0
0
44
slc tuah
I know I would (before the built cost that is) My trans is perfect when I drive like a grandpa, wouldnt even know it shifts. But WOT I wish It could definately be more consistant.

X2 the shifts are so inconsistent and sloppy. Even on a built trans it sux. Im thinking zf6!

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Not sure why you guys have so many problems , both my trucks shift like a dream.
 

x MadMAX DIESEL

<<<< No Horsepower
Dec 30, 2008
7,535
1
38
34
Lexington, Ky
trans itselfs is fine. The TC is what causes it to be inconsistant. Some times it doesn't lock at all. Some times it will. Some times it will lock, then unlock
 

dmaxfireman

'Can do' kind of guy
Apr 8, 2007
2,329
1
38
CT
grasshopper, you will never find an lbz with a zf6........ you will find an 06lly with a zf6 though.....;)
 

Akdiesel

IFS Hater
Aug 23, 2009
2,213
0
0
Fairbanks
WTF are you always complaining about madmax? Buy something else if your so unhappy. Get your trans refreshed, swap a manual in, get good tuning, etc. I've had 50k on my built trans, a Ton of passes at the strip, lots of beating on on a stock TCM tune and haven't once had a hiccup. Change my spin on a little less often than I should and haven't once been let down. And its a SCV prebuilt POS:baby:
 

Akdiesel

IFS Hater
Aug 23, 2009
2,213
0
0
Fairbanks
Haha it was directed at you. Now if you're wanting to give it a little brother or sister that's different :) I just think it should be fixable. The shifting issues if they're electrical instead of mechanical I think there's a way to fix it.
 

Chevy1925

don't know sh!t about IFS
Staff member
Oct 21, 2009
21,743
5,911
113
Phoenix Az
Never gave up on the Alli and never will. It is not a 6L90 as I don't think it would hold as yet.
Looks like Pat is going to have to test it.:D

so uh what your sayin is i gotta pull a little co-vert operation down at the shop to figure this out eh? :D