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post #1 of 5 (permalink) Old 04-14-2013, 08:44 PM Thread Starter
 
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Shes back in business

Well after blowing the transmission on my 639 GTO at the SCCA Road Atlanta event about 3 weeks ago, I have finally gotten the car back together. Upgraded Autogear M22 with Iron mid plate, super case, roller bearing first gear, cam button on counter shaft, and reinforced tail housing. Installed Italian Gearset with a road race gear Ratio: 2.20, 1.54, 1.17, 1. This allows the car to really perform in 2nd and 3rd with little shifting required.


Beefed up the clutch and installed a McLeod RXT Dual disc rated at 1000 hp.


Beefed up the driveshaft with a Moser aluminum 3.5 inch shaft and 1350 heavy duty u-joints.


Eaton Posi rear end should hold up fine.


Next race is this weekend in South Carolina. Running the "Are you Faster than a Redneck" track.

Thanks for all the help guys.


Upgraded Drive Train
http://www.youtube.com/watch?v=TxEpD...ature=youtu.be
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post #2 of 5 (permalink) Old 04-14-2013, 10:05 PM
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Garage
Awesome.... hey I think you should become a cast member on the show

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post #3 of 5 (permalink) Old 04-15-2013, 10:57 AM
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I agree!!
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post #4 of 5 (permalink) Old 04-15-2013, 12:05 PM
 
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Looks great, bet you can't blow that one
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post #5 of 5 (permalink) Old 04-15-2013, 01:12 PM Thread Starter
 
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Transmission builder said we would have to replace bearings and rebuild it at the end of every race season
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, Lemans & GTO General Discussion

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