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Old 07-04-2018, 08:14 AM   #4
Blue GMC
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Join Date: Jul 2014
Location: Olathe, KS
Posts: 384
Re: What automatic overdrive are you running behind your Gen 1 small block?

Quote:
Originally Posted by 72LB View Post
I'm considering this, what all did you have to do for the swap? I have a th400 and 373's, highway driving is rough.
Try it with 410 in the rear for real fun. Looking to go to a 2004r should be a pretty easy swap and won't have to mess with the drive shaft.
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