can I swap 69 12 bolt axles into a 84 12 blt - The 1947 - Present Chevrolet & GMC Truck Message Board Network

jamon8 · 08-30-2006, 09:33 AM

are the axles interchangealble in the 12 bolts from 69-86 c-10 rear ends

thank you

lilpup69chevy · 08-30-2006, 10:32 AM

no 69 is a tad narrower you have to us 70 and up hope that helps oh btw might wanna count the splines on the axle too they might have changed that somewhere through the years i'm not sure of that

79BIG10 · 08-31-2006, 10:00 PM

Also you might have to weld up spring perches for leaf springs if the donor axle originally came with coil and you want to go back with leafs. Would be much easier to go back with newer model axle. Plenty of them out there.

krazymonkeys24 · 09-13-2006, 05:21 PM

It may be more of a PITA, but I can see one thing that would be fun about it. 4-link suspension. I know there is always caltrax, but I have always liked 4-link better lol.

08-30-2006, 09:33 AM	#1
jamon8 Registered User Join Date: Apr 2006 Location: southern Il Posts: 335	can I swap 69 12 bolt axles into a 84 12 blt are the axles interchangealble in the 12 bolts from 69-86 c-10 rear ends thank you

08-30-2006, 10:32 AM	#2
lilpup69chevy 67-72 parts finder Join Date: Aug 2006 Location: southeast mo Posts: 788	Re: can I swap 69 12 bolt axles into a 84 12 blt no 69 is a tad narrower you have to us 70 and up hope that helps oh btw might wanna count the splines on the axle too they might have changed that somewhere through the years i'm not sure of that __________________ 1969 chevy shortstep 2wd (under construction) 1981 chevy scottsdale lwb 2wd (parts chaser) 2004 pontiac gto (daily driver) 2004 pontiac grand prix gt (the ol ladys car) 1985 chevy short wide 1970 chevy c10 lwb (another parts rig) 1969 gmc lwb (rainy day project) 1968 chevy lwb c10 250 I6 3 spd (soon to be swb)

08-31-2006, 10:00 PM	#3
79BIG10 I'm back with 2nd truck! Join Date: Feb 2002 Location: Texas Posts: 3,774	Re: can I swap 69 12 bolt axles into a 84 12 blt Also you might have to weld up spring perches for leaf springs if the donor axle originally came with coil and you want to go back with leafs. Would be much easier to go back with newer model axle. Plenty of them out there. __________________ 1979 Chevrolet Bonanza Big10 "Tootsie Roll" 1985 Chevrolet Silverado (wife's) Member of the Southern Bowties Club "Don't underestimate how sexy a fat man who drinks to excess can be." Homer Simpson

09-13-2006, 05:21 PM	#4
krazymonkeys24 Registered User Join Date: Sep 2006 Location: Kannapolis, North Carolina Posts: 23	Re: can I swap 69 12 bolt axles into a 84 12 blt It may be more of a PITA, but I can see one thing that would be fun about it. 4-link suspension. I know there is always caltrax, but I have always liked 4-link better lol. __________________ Eagles may soar, but weasels don't get sucked into jet engines.

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