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Thread: got tired of breaking the 60e
10-06-2008, 08:11 AM #1
got tired of breaking the 60e
so the new 80e is now in...
been working on it for a couple of weeks...
list of a few items that were required:
- a 60e to 80e harness adapter
- front VSS pigtail w/ pcm pins (60e has rear only)
- new slip yoke and u-joint (found one that was a direct fit...no cutting or bastard joint required)
- cross-member modified to move tranny mount back several inches
- y-pipe had to be modified as well
- tune segments for tranny calibrations & diagnostics swapped in from a tune out of a truck w/ the same OS as mine but w/ an 80e
so far...so good!
Last edited by Superado; 10-06-2008 at 08:15 AM.
10-06-2008, 10:48 AM #2
did you get a brand new 80e or a rebuild?Dan
1999 GMC Sierra 2500 350 vortec
1967 Jeep M725 ambulance 230 tornado
1990 Cherokee Limited- 3 inch lift on 33's
...and every one of em has issues
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10-06-2008, 12:52 PM #3
- Join Date
- Feb 2007
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What kind of power are you turning to cause a 4L60E to fail. What size tires? Unless you're draggin' with 500+HP or 37" tires, you shouldn't be killing 4L60Es... Additionally, if you're killing 4L60s, I don't know if a 4L80 will do you much better, because the 80 isn't made for the same purposes the 60 is. IF you're in one of the areas that requires more than a stock 60 can handle, the 60 can be built up quite handily to withstand the increased strain.Christopher
1991 Chevy Suburban 1/2 ton 2WD w/ chevy SBC 350-3/4 ton drivetrain upgrade w/4.10 gears 200K miles
2005 Saturn ION-2 Stock 265K miles
1982 Bronco, 1993 Bronco (sold), 1971 M35A2 Deuce and a Half
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10-13-2008, 06:26 AM #4
yes I do drag race it....
even a Level 5 4L60/65e from FLT is only rated @ about 550 in a heavy a$$ truck...
there are plenty handling more HP in cars for sure...3900 lbs and less...
I'm at 4930 w/ me in it...
and should be @ 600+ HP this go around...
was 400+ with ProCharged stock motor...never broke the stock tranny...
burnt up the 3-4 clutches in the built one under 5k miles with old set-up and new converter...
broke the input drum / shaft w/ the new set-up in under 1k miles...
Last edited by Superado; 10-13-2008 at 06:35 AM.
10-13-2008, 09:49 AM #5
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- Yacolt, Washington
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Nice upgrade! let us know how it works out.Darcy
2006 Silverado 2500HD LT3 4X4 CC SB Duramax LBZ
Tuff Country 6" lift, 35" Toyo M/T's on 20" Ultra Peacemaker wheels, Quadzilla Stealth2 programmer, Diamond Eye 5" cat-back exhaust, factory Special order color Yellow.
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