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05-27-2019, 07:53 AM
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#1 |
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Registered User
Join Date: Jul 2015
Location: North East PA
Posts: 682
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1970 6 lug rear
Sometime ago I picked up a nice clean 1970 SWB frame with 6 lug front and rear, yesterday while walking by it I realized that it seemed to have a longer lenth rear like the 5 lug 71-72 rears have , I took a tape from drum to drum on a 69 6 lug rear I have in my garage and came up with 56 inches and then took the tape to the 70 rear with the 6 lug and I came up with 57 1/2 inches. I assume GM started to widen the rear to 57 1/2 at some point in 1970 but in a 6 lug version . am I correct or was this rear converted back to 6 lug ,it does have a 1970 axle code stamp on the axle tube.
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05-27-2019, 08:40 AM
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#2 |
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Senior Member
 Join Date: Aug 2003
Location: Conyers,Ga.
Posts: 7,283
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Re: 1970 6 lug rear
GM started widening the housing in 70. You are correct.
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05-27-2019, 07:13 PM
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#3 | |
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Registered User
Join Date: May 2011
Location: mich
Posts: 654
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Re: 1970 6 lug rear
Quote:
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05-27-2019, 07:43 PM
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#4 |
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Registered User
Join Date: Feb 2016
Location: Trenton,Ontario & South Carolina
Posts: 755
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Re: 1970 6 lug rear
When ordering axles 1970 6 lug is a one year only,took me a while to find a set.
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05-27-2019, 07:45 PM
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#5 |
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Senior Member
 
Join Date: Jan 2011
Location: Chattanooga TN
Posts: 6,205
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Re: 1970 6 lug rear
Yes, 70 model trucks would be 6 lug of course but they could have either housing. There were never any 67-70 early housings built with 5 lug (narrow width) but there were both 5 and 6 lug versions of the wider one.
I think the people on the line just used what they had in 70. Once the earlier width housings were all gone they started using the longer ones. Just my .02
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Chad 1967 C10 SWB - Project Savannah - 6.0/4L80 *Currently underway* 1968 C10 SWB - TOTY 2018, 50th Anniversary Tribute Project * Sold * Pride and Joy 1986 Silverado Short Fleet - Scarlet *Sold* 1985 Silverado Short Fleet *Sold* 2022 Jeep Gladiator Mojave 2001 Jeep Cherokee XJ 4x4 - Lifted, Built 1992 Jeep Cherokee XJ 4x4 - Lifted 2013 Honda Accord EX-L v6 Coupe 6spd (wife's ride) |
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05-28-2019, 12:08 PM
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#6 |
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Registered User
Join Date: Aug 2016
Location: Lake Forest, CA
Posts: 2,177
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Re: 1970 6 lug rear
I like the narrow because you can dial in the wheel placement with bolt on spacers.
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"Work hard, use your vacation days." 1970 C15 GMC Long Bed 1986 C20 Scottsdale 1983 K2500 Sierra Classic Suburban 6.2 Instagram: C10sofOC |
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