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08-16-2006, 01:30 AM
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#1 |
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Senior Member
 
Join Date: Mar 2004
Location: Lee's Summit, MO (KC)
Posts: 742
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12 bolt dimensions??
anyone have measurements from a 12 bolt from alot of these trucks? outside of drum to outside of drum?? and also what spline are these things usually??
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-Keegan- '72 Jimmy 4x4 - 5.3/4L65E/NP205 swap http://67-72chevytrucks.com/vboard/s...d.php?t=663780 |
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08-16-2006, 05:45 PM
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#2 |
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Senior Member
Join Date: Mar 2004
Location: Lee's Summit, MO (KC)
Posts: 742
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Re: 12 bolt dimensions??
???
__________________
-Keegan- '72 Jimmy 4x4 - 5.3/4L65E/NP205 swap http://67-72chevytrucks.com/vboard/s...d.php?t=663780 |
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08-16-2006, 07:46 PM
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#3 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,402
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Re: 12 bolt dimensions??
The axles are 30 spline.....beyond that I cant help much. I do know that the 67-69, or mid 70? axles were narrower than the later pcs. 5 lug went in 71, & those diffs should be the same lenght as the 73-82 ,12 bolt. Once again, sorry I caint help with numbers.....
 L
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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08-16-2006, 10:12 PM
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#4 |
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no brain no headache
Join Date: Jan 2005
Location: Cape Cod MA
Posts: 567
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Re: 12 bolt dimensions??
I just went and measured mine for you and its 58" from flange to flange. This is on a 1970 12 bolt, the earlier ones a narrower by i think an inch.
edit mine is bare and gutted so i DONT have the drums on sorry
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1996 GMC Sierra z71  1970 SWB 2wd (project) 
Last edited by 70c10swb; 08-16-2006 at 10:13 PM. |
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