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80elky

Not-quite-so-new-guy
Jun 23, 2019
48
6
8
I just wanted to make sure about this. I have a 1980 el camino with a th350, would I just be able to swap in a 200r4 without changing the crossmember or anything? thanks
 

307 Regal

Royal Smart Person
Oct 21, 2009
1,667
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Northern Indiana
Not too sure, but most cars with the 200-4R have a frame extension so that the crossmember is at less of an angle and farther back.
 
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307 Regal

Royal Smart Person
Oct 21, 2009
1,667
915
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Northern Indiana
I wanna say you’ll probably need the frame extension and a 200-4R crossmember.
 
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307 Regal

Royal Smart Person
Oct 21, 2009
1,667
915
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Northern Indiana
Take a look at this:
CBD59B27-C4AE-4DFB-96C0-275B3B24BE1B.jpeg
 
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pontiac guy

G-Body Guru
Oct 28, 2016
582
843
93
Royse City, TX
Cross member should work. You need the frame extension. You also need the associated lock up converter stuff and tv cable bracket or eliminate the lock up feature entirely.
 
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303'505rollin

G-Body Guru
Sep 4, 2020
700
587
93
Colorado2newmexico
I got the 350 with the long tail, I just cut the trans mount and flipped it around and re welded it, maybe you can do the same or move it back a little and drill another set of holes
 
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80elky

Not-quite-so-new-guy
Jun 23, 2019
48
6
8
Cross member should work. You need the frame extension. You also need the associated lock up converter stuff and tv cable bracket or eliminate the lock up feature entirely.
Thanks, I'll look into that.
 

pontiac guy

G-Body Guru
Oct 28, 2016
582
843
93
Royse City, TX
Thanks, I'll look into that.
Lots of info on here about that swap. It's pretty easy. The frame extension stuff is here too. Waaaay back in the days of yore, you could buy a kit that had them. Its possible they are available from one of the G-Body specific vendors. You can make them yourself. It's just some square tubing welded behind the factory channel. Nothing exotic
 
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