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Old 09-10-2006, 12:41 AM   #5
C10-Driver
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Join Date: Aug 2006
Location: Kelowna, BC
Posts: 1,176
Re: 74 crossmember in a 69 c-10

I performed the swap you are talking about in my 70 SWB. I'm not sure of the exact year of the new x-member (79 or 80 I think). It was almost painless. In my case I didn't have to modify anything to do with the suspension or engine mounts. The only mods that were required were on the brakes... The mounting holes on the booster had to be relocated to fit the 70 firewall and new brake lines were bent up.

I have included some before and after pics of the swap for your viewing pleasure.
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1970 Chev C/10 SWB, 355 SBC, 700R4, 3.73 Posi, Air Ride (Click to view Build Thread) (SOLD)
1978 Chevy C/10 SWB
1970 Pontiac Lemans
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