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08-12-2018, 09:47 AM
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#1 |
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Registered User
Join Date: Dec 2010
Location: Waxahachie, Texas
Posts: 144
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Firm up shifts on 6L80E
Is there a method to firm up the shifts on a 6L80E without getting into the unit? As in tuning, that does not have unwanted side effects? I have a 2014 tahoe that I would like a firmer shift on.
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08-12-2018, 11:14 AM
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#2 |
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Registered User
Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
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Re: Firm up shifts on 6L80E
electronic controled trans can have a re-program for just this and lots of other things .
the line pressure / shift points / quickness / and so on . i my self have not played with one of them yet . but guys do it all the time.
__________________
77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
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08-12-2018, 11:31 PM
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#3 |
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Registered User
Join Date: Mar 2014
Location: Corvallis, OR
Posts: 711
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Re: Firm up shifts on 6L80E
HP Tuners does this. Takes some knowledge to get it done though.
__________________
1972 GMC Jimmy Custom 4.8L (L20)/6L90E/NP205 1989 Chevy Suburban V2500 350/Turbo 400/4.11 gears 1996 Chevy Suburban K1500 350/4L60E |
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08-14-2018, 08:46 AM
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#4 |
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Account Suspended
Join Date: Jun 2015
Location: No longer here
Posts: 1,000
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Re: Firm up shifts on 6L80E
variables in the shift pressure table can be manipulated.....
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08-14-2018, 10:05 PM
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#5 |
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Registered User
Join Date: Dec 2010
Location: Waxahachie, Texas
Posts: 144
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Re: Firm up shifts on 6L80E
Does manipulating the shift pressures shorten the life of the tranny in any way? I am not a street racer, I just like a more positive feeling shift.
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08-15-2018, 10:39 AM
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#6 |
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Registered User
Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
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Re: Firm up shifts on 6L80E
longer time between gears = more clutch slip .
so for the most part shorter shifts to a point will not hurt the trans . but full on race shifts and crazy mods do tend to shorten the life of some parts .
__________________
77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
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08-16-2018, 12:17 PM
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#7 |
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Account Suspended
Join Date: Jun 2015
Location: No longer here
Posts: 1,000
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Re: Firm up shifts on 6L80E
Good luck
Last edited by YoungPup1977; 08-22-2018 at 11:58 PM. |
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