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 Transmission / Driveline and Traction
 switching out turbo 350 to 200-4r
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Tomy2tone
Tribal Scout

USA
24 Posts

Posted - 25 May 2016 :  10:04:08 PM  Show Profile  Reply with Quote
does anyone know of a adapter plate one can buy for the tail shaft mount difference between the two models? I know they say to move the cross member back, but that looks like more work drilling through the frame.and im not so sure that some of the lines running up the drivers side will accommodate the pockets

Tub
Sitting Bull

172 Posts

Posted - 26 May 2016 :  03:17:41 AM  Show Profile  Reply with Quote
They sell aftermarket crossmembers for that app. But they ain't cheap.

Assuming a Bird.

http://www.bowtieoverdrives.com/catalog/catalog.php?Action=GETSUBCAT&CATID=YA2A1

http://www.summitracing.com/parts/SUM-770317/

http://www.transdepot.net/2004R-TH400_c_36.html
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Phil
The Great White Buffalo

USA
7223 Posts

Posted - 28 May 2016 :  09:11:57 AM  Show Profile  Reply with Quote
What's it going in?

Bowties are for Pee-wee Herman. "Chevy": even the name sounds cheap, but not as cheap as your Pontiac will be with an LS transplant.
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Tomy2tone
Tribal Scout

USA
24 Posts

Posted - 28 May 2016 :  10:53:49 AM  Show Profile  Reply with Quote
its going in a 1965 lemans, sitting behind a 1967 428
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Phil
The Great White Buffalo

USA
7223 Posts

Posted - 28 May 2016 :  7:42:39 PM  Show Profile  Reply with Quote
Have you test fitted it yet? Not sure about the earlier A-Body's but by 70 already had an assortment of holes and some lined up perfectly as if GM had ESP.

Bowties are for Pee-wee Herman. "Chevy": even the name sounds cheap, but not as cheap as your Pontiac will be with an LS transplant.
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Tomy2tone
Tribal Scout

USA
24 Posts

Posted - 28 May 2016 :  10:40:01 PM  Show Profile  Reply with Quote
there are no holes to move it too, gonna have to drill through the frame with a 3/8 drill bit, just gonna be tuff to drill through, I think its about a 6 inch difference from the turbo 350 mount to the 200 4r mount location. and the more I look at it, there is no way to leave the member where it is and have a bracket or adapter even work because of the shape of the trans. Oh well drilling it is.
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