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Damien · 03-05-2017, 01:24 AM

The 3/4 ton and 1 ton frames are taller than the 1/2 ton frame so if you are looking to get the truck low the 1/2 ton frame may be a better option. The rear shackle hangers are also longer for the 4x4 and heavy duty trucks to raise the rear up. If you are keeping the leaf springs you will need to address this as well. If you are going to keep the '87 front bumper the frame horns on the '78 frame will need to be trimmed to mount the front bumper.

03-05-2017, 01:24 AM	#6
Damien Registered User Join Date: Mar 2007 Location: Farmington, MN Posts: 928	Re: 1987 K20 to 1978 C10 Frame Swap The 3/4 ton and 1 ton frames are taller than the 1/2 ton frame so if you are looking to get the truck low the 1/2 ton frame may be a better option. The rear shackle hangers are also longer for the 4x4 and heavy duty trucks to raise the rear up. If you are keeping the leaf springs you will need to address this as well. If you are going to keep the '87 front bumper the frame horns on the '78 frame will need to be trimmed to mount the front bumper. __________________ I can still count my vehicles on two... wait three hands.