help 12 bolt swap problem - The 1947 - Present Chevrolet & GMC Truck Message Board Network

me3 · 07-26-2004, 09:09 PM

help on axil need to know if 10 bolt axils out of a 70's will fit in my 68 12 bolt posi

1BadSS · 07-26-2004, 10:28 PM

don't think so.

me3 · 07-26-2004, 11:44 PM

ok thanks id like to have a reason why

68C15 · 07-27-2004, 07:35 AM

basically like putting a square peg in a round hole. length, diameter, spline count, bearing journal & manufacturer are all different.

JimKshortstep4x4 · 07-27-2004, 10:03 AM

me3,

Are you wanting to swap axles or do you want to swap in the whole differential?

Swaping the 10 bolt axles into the 12 bolt rear end wont work, but if you are looking at swapping the whole housing assembly in, you should be able to do it if both rear ends have the same spring arrangements.

Jim

me3 · 07-27-2004, 10:55 AM

so basically what your saying is I should be able to take the posi guts and the spyder gears and pinion and stuff out and swap

JimKshortstep4x4 · 07-27-2004, 11:12 AM

No,

What I am saying is the whole housings assemblies can be swapped but none of the internals.

Jim

me3 · 07-27-2004, 11:19 AM

sorry im a beginer what do you mean be housing assemblies

07-26-2004, 09:09 PM	#1
me3 hart Join Date: Jul 2004 Location: hell nebraska Posts: 115	help 12 bolt swap problem help on axil need to know if 10 bolt axils out of a 70's will fit in my 68 12 bolt posi

07-26-2004, 10:28 PM	#2
1BadSS NOT REALLY BANNED! Join Date: Jul 2004 Location: Shawnee, KS Posts: 1,072	don't think so. __________________ 1987 Mustang Coupe - 2.7 Stroker, 78mm turbo, Stainless header, 3" Exh, FMIC, 160lb/hr Injectors, MS3, twin walbro 255's, 34psi. Eating V8's daily. 04 Pontiac GTO 04 Ford Mustang GT 68 C20 LWB stripper truck 73 K5 Cheyenne 76 C20 Sierra Crew SRW 88 K20 Suburban I'm not hammering on metal just to hammer, i'm creating a piece of art.

07-27-2004, 07:35 AM	#4
68C15 blood type; Retumbo Join Date: Jan 2004 Location: next to my reloading bench Posts: 10,269	basically like putting a square peg in a round hole. length, diameter, spline count, bearing journal & manufacturer are all different. __________________ Man rule #77...if you own a 67 stepside with a caddy 472 you will never be in danger of loosing you man card

07-26-2004, 11:44 PM	#3
me3 hart Join Date: Jul 2004 Location: hell nebraska Posts: 115	ok thanks id like to have a reason why

07-27-2004, 10:03 AM	#5
JimKshortstep4x4 Senior Member Join Date: Jul 2001 Location: Muskegon,MI,USA Posts: 6,026	me3, Are you wanting to swap axles or do you want to swap in the whole differential? Swaping the 10 bolt axles into the 12 bolt rear end wont work, but if you are looking at swapping the whole housing assembly in, you should be able to do it if both rear ends have the same spring arrangements. Jim

07-27-2004, 10:55 AM	#6
me3 hart Join Date: Jul 2004 Location: hell nebraska Posts: 115	so basically what your saying is I should be able to take the posi guts and the spyder gears and pinion and stuff out and swap

07-27-2004, 11:12 AM	#7
JimKshortstep4x4 Senior Member Join Date: Jul 2001 Location: Muskegon,MI,USA Posts: 6,026	No, What I am saying is the whole housings assemblies can be swapped but none of the internals. Jim

07-27-2004, 11:19 AM	#8
me3 hart Join Date: Jul 2004 Location: hell nebraska Posts: 115	sorry im a beginer what do you mean be housing assemblies



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