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Old 03-25-2015, 05:56 PM   #1
superwade57
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64 4x4 rear end

I've got a Friend that grenaded his rear in his factory 4x4 swb 64 chevy. Does anyone have info on what rear ends, whole housings will work for him?
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Old 03-26-2015, 01:30 AM   #2
Captainfab
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Re: 64 4x4 rear end

The 12 bolt housings from '63 to early '70 will be the same width, but keep in mind that the '63 and '64 12 bolts will have 17 spline axles and spider gears. Late '70 to '79 12 bolt in the k series will be 1.5" wider.
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Old 03-26-2015, 07:38 AM   #3
superwade57
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Re: 64 4x4 rear end

Good info! Thank you! If the 67 68 69 rear were leaf spring equipped do the perches line up?
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Old 03-27-2015, 12:54 AM   #4
Captainfab
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Re: 64 4x4 rear end

I'm pretty sure they will.

Quote:
Originally Posted by superwade57 View Post
Good info! Thank you! If the 67 68 69 rear were leaf spring equipped do the perches line up?
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Old 03-27-2015, 05:47 AM   #5
argonaut
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Re: 64 4x4 rear end

Perches are the same width, 40", through 1972 for k5, k10 and k20.
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1972 K5 Blazer CST, Turquoise
1966 K20 Short Fleet Pickup, Big Ugly
1964 C10 Short Fleet, Gertrude

2001 Porsche 911 Carrera
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1980 Jeep Wagoneer

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Old 03-27-2015, 05:51 AM   #6
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Re: 64 4x4 rear end

Since his is a short bed it would be a 1/2 ton and have a GM Corp 12 bolt with a WMS-WMS width of 63". 3/4 ton would be an Eaton HO52 with a WMS-WMS width of 65".

You can use a 73-87 axle but you'd have to cut and reweld the perches as they are 42.5" apart. WMS-WMS would also be 65" for those 12 bolts and 67" for the 12 bolts.
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1972 K5 Blazer CST, Turquoise
1966 K20 Short Fleet Pickup, Big Ugly
1964 C10 Short Fleet, Gertrude

2001 Porsche 911 Carrera
1996 Ford Bronco XLT
1980 Jeep Wagoneer

2008 Honda CBR1000RR
2005 Honda RC51
1981 Honda CB750C


No dis-assemble Johnny Five! No dis-assemble!
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