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#1 |
Registered User
![]() Join Date: Dec 2006
Location: CA
Posts: 331
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Are 6 cylinder frames the same as V8 frames?
I'm considering doing a swap of the entire cab, body, engine, trans, running gear etc, from a 1972 longbed Big Block C-10 onto a 1968 shortbed, straight 6 C-10 frame. I'd be keeping the bed on the shortbed, of course.
But it appears the 1968 shortbed frame (original 250 6 cylinder) has a riveted in cross member near where the bolt in crossmember is on the 1972 V8 frame. I am now second guessing the whole thing. Is this crossmember the only major obstacle/ difference and is this a relatively common process? Thanks in advance. ![]() |
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#2 |
Senior Member
Join Date: Aug 2003
Location: Lubbock, Texas
Posts: 2,443
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Re: Are 6 cylinder frames the same as V8 frames?
The frames are the same.
__________________
72 Cheyenne Super 80 Silverado Blazer 2wd |
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#3 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Are 6 cylinder frames the same as V8 frames?
They are pretty much the same.
In 69, GM went to a new much stronger metal... i can't remember what they called it... but i have dealer papers on it at work. Cross members... I'm assuming the rivited one is for a manual tranny, and the bolted one is for an automatic? For the best part, yes, the frames are the same. |
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#4 | |
Registered User
Join Date: Feb 2007
Location: (Cloverdale) Surrey BC Canada
Posts: 1,566
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Re: Are 6 cylinder frames the same as V8 frames?
Quote:
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Travis
travis_moffatt@hotmail.com ![]() 1969 Chevrolet C-10 LWB, 350c.i., TH350, In Pieces. 1991 GMC Sonoma, IROCS s10 grill 1963 Ford Galaxie 351/C4 |
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#5 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Are 6 cylinder frames the same as V8 frames?
My fault, it was 71 that the chainge was made
I have a letter here from M.A.Sutton Jr, New York Zone manager, dated 7/17/70. It's a dealers' general letter (informed the dealerships what chainges were being made from GM... or GMC in this case) 67 - 70 were just heat treated steel frmaes, in 71, they went to a "High Performance heat treated steel" |
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