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02-28-2007, 09:43 PM
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#1 |
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Registered User
Join Date: Feb 2007
Location: Tucson,AZ
Posts: 66
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1970 rear axle width
I am going to do a 5 lug conversion on my truck but I do not know if its an early "narrow" rear end or a late "wider" rear end. It is a 6 lug now but I know chevy used both widths in this year.
I measure about 57.625 backing plate to backing plate and 65" drum to drum. It is marked as a TDA axle....3.73:1. Can someone measure thier 71-72 to see if this is the wider rear end? |
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02-28-2007, 11:15 PM
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#2 |
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laying low
 
Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 13,453
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Re: 1970 rear axle width
Mrrilla, welcome to the forums.
I believe the early 70 rears measure about 56 1/2" back to back and late 70 rears about 58" if I recall correctly. Someone is sure to correct me if I'm mistaken though. A search of these threads will get you more info on these conversions even using the longer axles in the narrower housing. Some do.
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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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02-28-2007, 11:17 PM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: 1970 rear axle width
56 inch is early, 57 1/2 is the later 'wide' axle. You can slip the 5 lug axle in there with no problem at all.
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02-28-2007, 11:27 PM
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#4 |
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laying low
Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 13,453
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Re: 1970 rear axle width
LM I knew you'd be along with the correct numbers here shortly. Seems this same question was asked just a day or so ago too. Thanks.
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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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