1966 Chevelle Frame Interchangability - Chevelle Tech
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post #1 of 5 (permalink) Old Sep 14th, 09, 3:49 PM Thread Starter
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Join Date: Oct 2008
Location: Phoenix, East Valley
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1966 Chevelle Frame Interchangability

I know this sounds like many other posts, but I cannot seem to find definitive, non-contradictionary posts and websites.

I am searching for a new frame for my 1966 chevelle malibu HT. I know I can use a 67 frame with different rear springs.

My questions
1. Can I use other GM a-body frames (Lemans, skylark, etc)? What years and mods are required?
2. What other Chevelle years can I use, and with what mods? 64 or 65?
3. I know the elky are different and heard you can cut them, but REALLY what do you need to do? How much welding?

Thank you for your help. If anyone knows where to find a decent frame, with minor rust issues, please let me know. I am in AZ.

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post #2 of 5 (permalink) Old Sep 14th, 09, 4:01 PM
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Join Date: May 2007
Location: Ipswich Ma
Posts: 3,611
Re: 1966 Chevelle Frame Interchangability

Hi Chris! You can use other A body frames as long as they are two doors as well. As you mentioned, four doors, wagons and El camino's won't work. don't waste your time cutting them to fit. You're in Phoenix, shoot over to Desert Valley Auto Parts and pick one up.
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post #3 of 5 (permalink) Old Sep 14th, 09, 5:11 PM
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Re: 1966 Chevelle Frame Interchangability

Way back when, I was into stock car racing and decided to switch from Pontiac to Chevy. Rather than build a whole new car, I cut the skin off my '64 GTO body and welded a '66 Chevelle skin onto it. Everything worked great except in the very rear, where it became apparent that the Pontiac frame was an inch or two longer than the Chevy frame had been. A little notching of the inside of the body in the rear was all it took to take care of it for me, since it was a race car it didn't have to be pretty.

Maybe it was just the '64 vs. '66 year difference, rather than the Pontaic vs. Chevy difference. I'd measure carefully first.

'66 Malibu, being built for NHRA N/SA class.

Last edited by dmuller; Sep 14th, 09 at 5:59 PM.
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post #4 of 5 (permalink) Old Sep 14th, 09, 5:50 PM
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Larry Joe
Join Date: Jan 2007
Location: tulsa okla
Posts: 1,042
Re: 1966 Chevelle Frame Interchangability

I used a 67 lemans which has the same length as a elky
I laid them side by side after the box ends on frame rails at rear tires
I cut it there and rewelded my old tail section to it works great
I also is not a load bearing point for the most part Had it blasted
Powder coated it black cant tell it. Here in Tulsa there is several hundred $
Difference between a Chevelle and a pontiac

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post #5 of 5 (permalink) Old Sep 14th, 09, 6:06 PM
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Tom Lloyd
Join Date: Jul 2004
Location: Langley BC (under the overpass in box)
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Re: 1966 Chevelle Frame Interchangability

64-67 Chevelle 2 door and 4 door frames are the same.

Tom Lloyd
my 66
take my advice, I'm not using it.
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