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Old 04-22-2003, 05:32 PM
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Post Will It Bolt Up?

hey guys ... i have a ?... i have a Buick Th-400 Tranny.. that came in my truck (1965 Chevrolet Pick-Up Shortbed Fleetside) with...a 425 Big Block ... now i got rid of that engine (looked like the rod went through the block).. now i still got the tranny... it looks new ... now.. i bought a small block chevy 350 c.i. engine.. now i dont think the buick tranny will bolt up to the engine block... but there is a part in the new jegs catalog the "Adapter Plate" will bolt up any Buick Oldmobile and Pontaic tranny to any chevy block.. or vise-vers.. but im told it will work then im told it wont .. Can i get some info on this Please?... thanx alot guys ..

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Old 04-22-2003, 06:04 PM
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It will work-just make sure you order the BOP trans to Chevy engine adapter plate.
I have the Bop engine to Chevy trans behind a Cadillac 500 and it works great.
TCI-230000 Chevy engine to BOP trans Summit price $51.95, Jegs price is $54.99
The other plate adapts the chevy trans to the BOP engine.
The adapter plate should come with the allen head bolts, plate, converter spacer washers (the plate mounts the trans 1/8 inch away from the engine block but you don't want to lose the 1/8 inch engagement of the torque converter to input shaft, it could make the trans junk quick).
You may also find yourself grinding a very small amount of tranny mating surface for proper fitment of a couple bolt heads, just make sure you grind as little as possible and make the grind as smooth and rounded as possible or you could end up with a stress fracture.
If I remember to-I will post a pic of what a neutral tranny drop does to a rebuilt Th-350 bellhousing in a customers' truck, <img src="graemlins/nono.gif" border="0" alt="[nono]" /> OUCH!

[ April 22, 2003: Message edited by: M&M CUSTOM ]</p>
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Old 04-22-2003, 06:12 PM
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Find a chevy trans case I've never been adapter plate fan.Make it look right, and do it right chevy transmission to chevy motor, buick motor with buick, olds pont caddy trans.
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