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Thread: Tranny recommendation
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12-16-2015 #1
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- Feb 2014
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- SoCal
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- 308
Tranny recommendation
1966 gto
Running a period correct motor 474 roller motor. 480hp/650tq
12 bolt posi with 3.07 gears
full stage 2 ride tech single adjustable
4 wheel wilwood disc
18's all around 275/35/18 rear tire
looking for an automatic overdrive 4/5 speed that will go in with little to no modification. Not looking to cut up tunnel. Would like a nice deep 1st/2nd gear. Don't mind electronic controlled. I can get a stand alone system.
Thank you
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12-16-2015 #2
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- Apr 2012
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- Woodstock, IL
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- 2,410
Tranny recommendation
With that torque, I'd say your only choice is to go 4L80e. The first gear may be a bit low for your 3.07 gear though, but that torque should still pull you out of the hole ok.
There are adapter plates available from Trans Dapt and some others.
As far as fitment, I don't believe there's much if any mods required to the tunnel.. But we've only swapped maybe 1 of those into a stock frame early A-body like yours, a few years back.
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12-27-2015 #3
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- Dec 2006
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- Petersham ,ma
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- 522
How about a turbo 400 with a gear vendors off the back....would be simple and strong
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