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Old 05-15-2010, 02:45 AM   #1
basshawk
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Difference between 350 and 400 trans bolt location

Im doing a swap to a auto trans in my 64. I am going to use my 350 trans as a template to set my crossmember. Will the distance to the trans mount be the same when i get my 400?
Dan
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Old 05-15-2010, 01:56 PM   #2
nxtruck
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Re: Difference between 350 and 400 trans bolt location

No. The TH400 is a little longer than the 6" tail TH350. Nothing that a new set of holes in the frame won't fix, though. BTW, the input yoke will be different and the driveshaft will have to be shortened when going to the 400.
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1966 Chevy C10 LWB, 434 sbc, TH350, 12-bolt, factory suspension, pump gas
7.02 @ 95.8, 1.45 60'
1965 Chevy C10 LWB, 355 sbc, TH350, daily driver
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Old 05-15-2010, 03:15 PM   #3
basshawk
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Re: Difference between 350 and 400 trans bolt location

Quote:
Originally Posted by nxtruck View Post
No. The TH400 is a little longer than the 6" tail TH350. Nothing that a new set of holes in the frame won't fix, though. BTW, the input yoke will be different and the driveshaft will have to be shortened when going to the 400.
Thanks for the info
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