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08-14-2013, 12:43 PM
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#1 |
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Quit if it's not FUN!!!
Join Date: Jul 2010
Location: Indian Trail, N.C,
Posts: 864
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Rear axle questions
 I hope someone on here, smarter than me, can clear this up for me. Are the axle shafts for a '70 (6 bolt) and a '71 (5 bolt) the same length? Are both sides the same length? Can the backing plate and brakes from a '70 be used with the '71 drums? Any input will be appreciated.
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08-14-2013, 12:47 PM
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#2 |
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Florida Edition
  
Join Date: Oct 2010
Location: Fruitland Park, FL
Posts: 4,034
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Re: Rear axle questions
The 71's axles are longer but the backing plates are the same I think. JEGS catalog has the lengths listed for the axles.
And the length is the same side to side.
__________________
70 GMC Short Stepside "Rose"-An American Beauty: Factory 402/TH400, AM/FM, AC, Tilt, Tach, Buckets, Posi, PS, PB, 3-5 Drop, Complete Resto-Rod 67 C-20 Slant Back Wrecker "Mad Max" 67 C-10 Ratrod "Step-N-Wolf" 71 Serro Scotty Sportsman camper "Scotty" 97 LT1 Z28 "The Hornet" Link to more pics of "Rose" http://67-72chevytrucks.com/vboard/a...p?albumid=1684 Check out my "Cheap Tricks" thread and add to it if you can, lots of good info there. http://67-72chevytrucks.com/vboard/s...d.php?t=489394 |
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08-14-2013, 01:00 PM
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#3 |
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Quit if it's not FUN!!!
Join Date: Jul 2010
Location: Indian Trail, N.C,
Posts: 864
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Re: Rear axle questions
So the '71 axles won't work in a '70 housing?
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08-14-2013, 01:03 PM
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#4 |
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Registered User
Join Date: Oct 2012
Location: Cache, OK
Posts: 458
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Re: Rear axle questions
From what Ive read, yes and no. Apparently they used the narrow and wide rear in 1970. So you will have to measure how wide your rear axle is. If its the wide axle like they used in 71-72, you should be able to use those 5 lug axles. If its narrow like my 1969 is, spend the money on the Moser's.
__________________
1969 Chevy C10 SWB Fleet - Build thread > http://67-72chevytrucks.com/vboard/s...d.php?t=593554 2008 GMC Sierra Denali - 6.2L AWD - my daily 2011 Ford Flex Limited - Ecoboost AWD - wife's daily 1987 Buick Regal Turbo T - 63K miles - Strip/Street car 1965 Ford Mustang Coupe - 289, c4, 53K miles |
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08-14-2013, 01:33 PM
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#5 |
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Registered User
 
Join Date: Apr 2013
Location: Gainesville, TEXAS
Posts: 658
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Re: Rear axle questions
71-2 axles are slightly longer, but will interchange with no problem. I've done it on a '66 but I also used the backing plates and all the brake components to guarantee no problems.
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08-14-2013, 02:43 PM
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#6 |
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Senior Member
Join Date: Aug 2003
Location: Conyers,Ga.
Posts: 7,288
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Re: Rear axle questions
If both housings measure aprox 57" from back of backing plate to same then they will work. Done it many times.
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