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#1 |
Registered User
Join Date: Mar 2010
Location: Jena, LA
Posts: 15
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Question on 6 to 5 lug conversion
I just swapped my 67 to 5 lug on the rear using a 71 rear end. I took the carrier and the axles out of 71 and installed them in the 67 housing. I have read on here that the axles are different lengths from a 67 to 71. Everything seemed to fit perfect. Do I need to take everything back out of the 67 housing and install it in the 71 housing?
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#2 |
Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: Question on 6 to 5 lug conversion
The 71 axles are 3/4" longer then the 67 axles so this causes two problems. (1), the drum is missing the inside area of the shoes and (2), the the axle is also the inner race for the wheel bearings and since it sticks out further the rolling elements of the bearings are not in full contact with the axle. Neither situation is good so you will be better off using the 71 housing.
Jim
__________________
1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC |
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#3 |
Registered User
Join Date: Sep 2006
Location: Alma, Arkansas
Posts: 75
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Re: Question on 6 to 5 lug conversion
I could be wrong here, someone correct me if I am......I think that the '70 axle is the same length as the '71-'72 and is 6 lug. It should drop in that housing. I just put a '70 housing in my '68 because it is 3/4" longer than my '68 housing and makes up the difference in width that disc brakes add. I wanted everything to stay 6 lug and used 6 lug rotors up front.
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#4 |
Registered User
Join Date: Mar 2010
Location: Jena, LA
Posts: 15
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Re: Question on 6 to 5 lug conversion
Thanks guys for the help, looks like i will pulling it all back apart.
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#5 |
Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: Question on 6 to 5 lug conversion
70 rear ends could be either way as it was the change year. It is better to measure to be sure.
Jim
__________________
1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC |
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