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Thread: 4l60e or 4l80e
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09-11-2008, 06:34 PM #1Member
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black- 2000 trans am
4l60e or 4l80e
which trans is better and why the 4l60e or the 4l80e. what holds up the best? what tranny would you guys go with?
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09-12-2008, 08:19 AM #2Rice Killa
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Black With T-Tops- 96 Z28 M6
4l80e
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09-20-2008, 07:05 PM #3Powerstrokin
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Trans Am owner- former
I'd do a buitl 4l60E
I think you need a new crossmember for the 80.....plus its heavier....
yes its stronger, but in my opnion, not worth it
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09-22-2008, 04:47 PM #4Senior Member
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Black- 2001 Trans Am (sold)
Depends if it's a 9-10 second track car or an 11-12 second daily driver/weekend street car.
Last edited by INMY01TA; 09-22-2008 at 04:51 PM.
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09-22-2008, 04:52 PM #5Senior Member
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Black- 99 SS
U can make a 4L60 just as strong
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09-22-2008, 04:56 PM #6Senior Member
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Black- 2001 Trans Am (sold)
Not in a 9 second car. I know quiete a few guys that'll kill any 4L60 inside of one season.
Originally Posted by Zboner
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09-22-2008, 05:01 PM #7Senior Member
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Black- 99 SS
Originally Posted by INMY01TA
thats a whole diff ball game though, hell powerglide, or TH400
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09-23-2008, 04:19 PM #8Junior Member
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Blue- 1984 Camaro
The TH700R4/4L60E is good up to about 700hp, even behind a big block or supercharger.
The 4l80E is a TH400 plus an overdrive gear and is just as strong as a 400... These were found on some trucks and never came stock in any f body or Corvette. You can swap one in, but it needs a new crossmember and driveshaft.
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09-23-2008, 05:52 PM #9Member
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black- 2000 trans am
ive killed way to many 700r4's with my old 1990 chevy truck with a 350 with bolt on upgrades. id never want another 700r4
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09-23-2008, 05:57 PM #10Junior Member
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white- 95 f-150
Doesn't the 4L80E require all new electronics
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09-23-2008, 05:59 PM #11Senior Member
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Black- 2001 Trans Am (sold)
Body mounted torque arm as well. Originally Posted by Paul Huryk
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