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05-27-2013, 06:16 PM
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#1 |
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Registered User
Join Date: Jun 2011
Location: Central OR
Posts: 682
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Rear Axle Specs For <72 Dual+73> Cab& Chasis and Fendered Dually
I am searching for a 3:73 Dana 70/80 or 14 Bolt axle to replace my non Hwy friendly Hotchkiss rear end. I am looking for backing plate mounting surface and spring center bolt width dimensions. I am changing my bed from 8x12 to 7.5x10 and I would like to do this right the first time. Any help would be appreciated. Thanks.
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1955 GMC 250 8 Flatbed 1971 C30 157" 350 4spd 10' Flatbed 81 GMC K30 CnC 9' Flatbed 454 T400 89 GMC Jimmy Stock https://67-72chevytrucks.com/vboard/...d.php?t=810958 71 LT1 Convertible, 72 Coupe 69 CJ5, 75 CJ6, 67 M715, 72 M35A2 Bobbed, 95 XLC2 |
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05-27-2013, 06:42 PM
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#2 |
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Registered User
Join Date: Jun 2011
Location: Central OR
Posts: 682
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Re: Rear Axle Specs For <72 Dual+73> Cab& Chasis and Fendered Dually
Looks like my stock setup is aprox 47.5" back plate to back plate.
Spring center to spring center aprox 40". Outside tire to outside tire w 235s 81".
__________________
1955 GMC 250 8 Flatbed 1971 C30 157" 350 4spd 10' Flatbed 81 GMC K30 CnC 9' Flatbed 454 T400 89 GMC Jimmy Stock https://67-72chevytrucks.com/vboard/...d.php?t=810958 71 LT1 Convertible, 72 Coupe 69 CJ5, 75 CJ6, 67 M715, 72 M35A2 Bobbed, 95 XLC2 |
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05-27-2013, 07:31 PM
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#3 |
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Registered User
Join Date: Jun 2011
Location: Central OR
Posts: 682
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Re: Rear Axle Specs For <72 Dual+73> Cab& Chasis and Fendered Dually
I found this helpful on the 14 bolts
http://www.pirate4x4.com/tech/billav...ble/index.html
__________________
1955 GMC 250 8 Flatbed 1971 C30 157" 350 4spd 10' Flatbed 81 GMC K30 CnC 9' Flatbed 454 T400 89 GMC Jimmy Stock https://67-72chevytrucks.com/vboard/...d.php?t=810958 71 LT1 Convertible, 72 Coupe 69 CJ5, 75 CJ6, 67 M715, 72 M35A2 Bobbed, 95 XLC2 |
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