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12-21-2008, 02:12 PM
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#1 |
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Like a Rock!
Join Date: May 2002
Location: USA
Posts: 1,092
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Swapping rear axles
Will the 5 lug axles in a 71' and newer truck fit a 69'??? I'd like to eventually go with 5 lug rims. Is the junkyard the best place to get axles?. T.I.A.
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69 LWB Runs great - work in progress Mess with me and you mess with the whole trailer park! 
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12-21-2008, 02:59 PM
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#2 |
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just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Re: Swapping rear axles
Unfortunately, no. There is a length difference of about 1/2" or so. You need to swap the entire housing.
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12-21-2008, 07:40 PM
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#3 |
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laying low
 
Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 13,097
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Re: Swapping rear axles
The 71-72 rear ends are about 1 1/2" wider than the 69 rears. Measure yours from backing plate to backing plate then take that measurement with you to compare with the 71-72s you find.
Some late 70 rears are 6 lug but wider width so the later 5 lug axle will interchange. This is what I did for mine. You can buy some aftermarket new axles for the 69 housing in 5 lug if you want. I think they're a couple hundred $ plus new 5 lug drums. I would go the salvage yard route for a complete 71-72 rear.
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Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross |
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12-21-2008, 07:54 PM
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#4 |
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Registered User
Join Date: Aug 2007
Location: West Hills, California
Posts: 679
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Re: Swapping rear axles
I'll be doing the same conversion on my 69 c10. I found axles at summit and price is not too bad http://store.summitracing.com/partde...5&autoview=sku
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12-21-2008, 08:15 PM
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#5 |
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Registered User
Join Date: Jul 2001
Location: North Louisiana
Posts: 4,501
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Re: Swapping rear axles
From what I've read, the 5 lug axles will fit, but you will need to put a 3/4" spacer behind each brake backing plate to put the brake shoes back in the center of the drums.
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Wynne 70 CST short fleet Hugger orange & white, 350/350, ps, pb, air, tilt, tach/vac/speedwarning, original buckets, AM/FM, oak bed floor, shoulder belts, 3.5"/5.5" drop, 20" American Racing VN425s. Build thread 53 Chevy shortbed 69 Camaro Click here to subscribe Chevy GMC International Truck Club Louisiana Charter Member http://www.louisianaclassictruckclub.com |
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12-21-2008, 08:38 PM
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#6 |
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Watch out for your cornhole !
Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: Swapping rear axles
Problem with spacing the brakes out like that is that the axle bearings are no longer riding where they are supposed to on the axle.
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