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Re: 1970-72 Chevy/GMC Frame differences
Quote:
Originally Posted by Big Kev-O
I converted my 68 GMC from leafs to coils. The C20 frame has the same curves section/ bump outs (circled in the picture) as the C10. The frames is about 3/32" taller between the top and bottom of the frame rails and is made from slightly thicker steel. Leaf spring frames do not have rivet holes in them for the coil style shock mount cross member / spring perch. Leaf truck don't have panhard bars which is another requirement on coil trucks.
The hardest part of converting a leaf truck to coil springs is locating and drilling the holes for the coil style cross member.
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So really, these C10/C1500 frames were designed to be universal and GM punched the necessary holes per the suspension selection. That being said, I'm gathering the only frames that where the rear rails are straight are the cab chassis, Longhorns, and K frames?
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Ryan
1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread
1972 GMC Sierra Grande Longhorn 4x4
1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed
1972 C10 Suburban Custom Deluxe
1969 Chevy milk truck
1971 Camaro RS 5.3 BTR STG3 Cam Super T10
1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project
Tired of spark plugs? Check this out.
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