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#1
08-31-2015, 02:39 PM
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overdrive transmission ???
Looking for a 5 or 6 speed (prefer 5 speed) trans with over drive to install in my 78 Trans am. About 400 horsepower so not looking for anything built for racing, just nice cruiser ta that needs a over drive gear. Running 400 Pontiac engine with 3.42 rear gears.
What's available out there that you used ? thanks !
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thx, Percy |
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#2
08-31-2015, 05:57 PM
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430 horse LS3 with TKO-600 and 3.42, no complaints.
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#3
09-04-2015, 10:04 PM
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I put in a TREMEC 5 speed in my 78 TA and I love it
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JIM |
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#4
09-04-2015, 10:15 PM
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Thanks, I think I will go with a tremec 5 or 6 speed.
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thx, Percy |
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#5
09-04-2015, 10:43 PM
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Couldn't find exact details for you; but helped Project Manage a Richmond 6-Speed install into a '80 TA behind a '71 455 HO and can't remember what the 3rd member gearing was...but basically was a parroting of a '80s HPP '79 TA build called "Six Shooter" w same drivetrain.
Drove the car and can tell you passed 5 to 6 cars like was on a Sportbike... FWIW - The mods to car were minimal, IIRC 2 holes cut into subframe (to relocate trans mount) minor Trans tunnel massage with rubber mallot & hammer...turned out a really nice balanced vehicle. IIRC - Car was supposed to be painted Brewster Green but ended up w paint code 26(?) Metallic Blue w a Green tint? Was a real nice ride... 
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