12bolt to 10 bolt swap-leaf spung - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**Warrens69GMC** · 04-13-2004, 01:45 AM

We are in the process of switching our 69gmc to 5 lug. Our GMC is 6lug 4wheel drum. I have the front suspension from a 77 c-10 and a corporate 10 bolt 3.08 from a 80? sub. Will I encounter any problems like perches or pinion angle changes? I will use all new brake hardware and the rear has 130k on an open carrier.
Our plan is to raise our 2wd 3" +2" bodylift. 30x9.50 15's
If I could only show you what i'm workin with! Its a good truck, bought it 2 years ago and replaced some much needed items, but my wife has driven it nearly every day.
any info appeciated.
warrens69gmc

04-13-2004, 01:45 AM	#1
Warrens69GMC Registered User Join Date: Jan 2003 Location: Safford,AZ Posts: 3,622	12bolt to 10 bolt swap-leaf spung We are in the process of switching our 69gmc to 5 lug. Our GMC is 6lug 4wheel drum. I have the front suspension from a 77 c-10 and a corporate 10 bolt 3.08 from a 80? sub. Will I encounter any problems like perches or pinion angle changes? I will use all new brake hardware and the rear has 130k on an open carrier. Our plan is to raise our 2wd 3" +2" bodylift. 30x9.50 15's If I could only show you what i'm workin with! Its a good truck, bought it 2 years ago and replaced some much needed items, but my wife has driven it nearly every day. any info appeciated. warrens69gmc



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