05-01-2004, 01:01 PM | #1 |
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Join Date: Dec 2003
Location: Roanoke,Virginia
Posts: 179
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rear axle swap
Will the rear axle from a 68 gmc 4x2 fit my 4x4 72 blazer?They both have 6 lugs and leaf springs. Can I use the axles if I have a bad one on the 72? Thanks,moodyholler
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1998 WRANGLER I-6 auto 1972 LWB FLEETSIDE 1968 GMC SWB STEPSIDE 1994 C-1500 SWB 4.3 5 SPD |
05-01-2004, 10:03 PM | #2 |
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Join Date: May 2004
Location: Lake Placid, Florida
Posts: 930
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If you have access to both axles just use a tape measure measure the width of each and make sure use use the same refrence point on both i.e. outside drum to outside drum or backplate to backplate. Also make sure the spring pads are the same width if not you will have to ground them off and weld new ones on after the axle is in place and the pinion angle is set. Even if they are an in or 2 off you can adjust with wheel back spacing to get your tires to fit right but both axles should be the same.
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05-03-2004, 09:01 AM | #3 |
Too many is never enough!
Join Date: May 2003
Location: Idaho Falls, ID
Posts: 455
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axle swap
I believe the 68 axle will be shorter than your 72. Also, the spring pad width on a 2wd is actually wider than on a 4wd because 2wd frames get wider at the rear axle. You'd have to relocate your spring pads and shock mounts on the 68 axle to make it work in your 72 and then you'd still have a more narrow axle than what you started with.
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Jason 1968 K10 SWB Fleetside 1971 K2500 GMC LWB 1968 K20 (later frame, donor body) 1972 C20 LWB parts truck 1993 K2500 Suburban, tow rig, 454, 4L80E NEW!! 18' Siem's car hauler 2004 Honda Odyssey (family man!) |
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