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-   -   Rear Axle Swap Questions! (https://67-72chevytrucks.com/vboard/showthread.php?t=567280)

Taylor21293 02-21-2013 04:27 PM

Rear Axle Swap Questions!
 
So I have a 1972 Chevy C10 LWB, and I'm switching out the rear end in her. I found a 12 bolt rear end out of a 1972 K5 Blazer, and wanted to know if that rear end will fit my C10?
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TBONE1964 02-21-2013 04:39 PM

Re: Rear Axle Swap Questions!
 
Does your truck have leaf springs or coils? The K5's should be a leaf spring set up. If your C10 has coils in the rear, you will need to change some bracketry which requires welding.

I am not sure about the width and the yoke. Also, what year is your C10 and does it have 5 or 6 lugs. The K5 will have 6.

Taylor21293 02-21-2013 04:53 PM

Re: Rear Axle Swap Questions!
 
My truck has leaves.
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Mike C 02-22-2013 08:52 PM

Re: Rear Axle Swap Questions!
 
2 wheel drive trucks use 42.5" spring centers and 4x4 uses 40.5". Four wheel drives and Longhorns use 2.5" wide springs and two wheel drive has 2.25" spring. 2 wheel drive is 5 lug and 4x4 is 6 lug, at least in the scenario of your truck and the Blazer. Long story short....No.

lolife99 02-22-2013 08:57 PM

Re: Rear Axle Swap Questions!
 
Quote:

Originally Posted by Mike C (Post 5906338)
2 wheel drive trucks use 42.5" spring centers and 4x4 uses 40.5". Four wheel drives and Longhorns use 2.5" wide springs and two wheel drive has 2.25" spring. 2 wheel drive is 5 lug and 4x4 is 6 lug, at least in the scenario of your truck and the Blazer. Long story short....No.

Good info!^^^

buckskins4ever 02-22-2013 09:37 PM

Re: Rear Axle Swap Questions!
 
No wont fit...without welding over brackets..... Taylor......whats in it right now, what are you wanting it to do?

Mike C 02-23-2013 10:11 AM

Re: Rear Axle Swap Questions!
 
And my assumption is the Blazer is a 4x4 and NOT a 2x4 in which case the perches are in the wrong spot but the 5 lug will be same.


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