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Old 03-18-2015, 06:10 PM   #1
hugger6933
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Join Date: Oct 2008
Location: Marianna Arkansas
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Re: C20 Longhorn tranny swap

BOP stands for Buick, Oldsmobile, Pontiac. The transmission will not fit your truck. what your gonna need to look for is a Chevy pattern short shaft TH400. did you buy the trans from a yard or something like that, that maybe you can swap out with them? On the other question about pulling the guts out and just changing them from one case to the other, well it can be done but not by regular guys with regular tools. You would need a few special tools to even do that, and those tool the cost may be prohibitive. Jim
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Old 03-18-2015, 06:13 PM   #2
Jesus5150
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Location: Spokane Valley Washington
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Re: C20 Longhorn tranny swap

Why won't this work? I Bought a conversion plate for the bell housing. Isn't it just a matter of finding the right drive shaft now? It's 2wd. Not sure if I said that.
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Old 03-18-2015, 10:37 PM   #3
hugger6933
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Re: C20 Longhorn tranny swap

if you got the plate and are in search of a drive shaft by all means proceed.
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Old 03-19-2015, 01:34 AM   #4
Jesus5150
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Re: C20 Longhorn tranny swap

You say it won't work, then you say proceed... If it won't work I'd like to know why...

I'm new to this and searching for information. Not just "won't work"
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Old 03-19-2015, 07:20 AM   #5
MARKDTN
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Location: Chattanooga, TN
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Re: C20 Longhorn tranny swap

By the time you buy an adapter and a shorter driveshaft, you are half way to the cost of a rebuild on a TH400. You can do what you are doing-but why?
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