Rear Axle Question... - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**67 cst swb** · 06-08-2005, 07:18 PM

Are rear axles the same from a 71 4WD rear axle, to a 67-68 2wd rear axle? both are 6 lug... The 4 WD measures 31-9/32 long. Both use same outer wheel bearings and seals? Any thoughts? I wouldn't think so, but....?

badpeanut · 06-08-2005, 08:19 PM

Is the 67-68 2wd rear axle a Corporate 12-bolt or a Dana 44?

I don't belive the 2WD 6-lug Corporate 12-bolt axles interchange with the '71 4WD axles.

I copied and pasted this from an earlier post:
"According to the hollander interchange the 70 - 72 axels on GM 12 bolts are 31-11/32" long and the 67-69 are 30-1/4"."

**uncle** · 06-08-2005, 08:39 PM

The axles from a 70 truck will work. The earlier years are too short. Any other 72-81 4wd axles will work also as long as it is a 12 bolt.

**67 cst swb** · 06-09-2005, 12:45 PM

Are 71-72 4WD axles (6 lug) and 71-72 2WD axles (5 lug) the same length. being the 31-9/32 or 31-11/32 length...
I'm not doing any projects with this info. It's just a curiosity...

**uncle** · 06-09-2005, 01:57 PM

I thought they were the same lenght,but I don't mess with much 4wd stuff. Before I finish my shoe ,maybe another 4wd guy will give you better info than I did. Sorry. I thoght a 12 bolt was a 12 bolt in a truck.I have however used 5 lug axles in a 70 housing.

06-08-2005, 07:18 PM	#1
67 cst swb Senior Member Join Date: Nov 2001 Location: Rapid City, SD Posts: 2,281	Rear Axle Question... Are rear axles the same from a 71 4WD rear axle, to a 67-68 2wd rear axle? both are 6 lug... The 4 WD measures 31-9/32 long. Both use same outer wheel bearings and seals? Any thoughts? I wouldn't think so, but....? __________________ My Trucks: 1967 Chevrolet Short Wide Box 327 TH350 9" w/3.90 gears paint will be White - Current Project 1967 Chevrolet Custom LWB 283 TH400 3.73 Posi, no-AC, no-PS, no-PB, bench-seat, small-window - mostly orig driver 1967 Chevrolet CST LWB originally a 327 TH400 3.73 Posi AC PS PB, had Buddy Buckets, Small Window - parts truck 1967 Chevrolet CST LWB, 283 MT 3.73 had Buddy Buckets, Panoramic Window - parts truck 2001 Chevrolet 3500 2WD Crew Cab Dually 8.1L Allison White Last edited by 67 cst swb; 06-08-2005 at 07:25 PM.

06-08-2005, 08:39 PM	#3
uncle Senior Member Join Date: Aug 2003 Location: Conyers,Ga. Posts: 7,288	axles The axles from a 70 truck will work. The earlier years are too short. Any other 72-81 4wd axles will work also as long as it is a 12 bolt.

06-09-2005, 12:45 PM	#4
67 cst swb Senior Member Join Date: Nov 2001 Location: Rapid City, SD Posts: 2,281	OK,...So Are 71-72 4WD axles (6 lug) and 71-72 2WD axles (5 lug) the same length. being the 31-9/32 or 31-11/32 length... I'm not doing any projects with this info. It's just a curiosity... __________________ My Trucks: 1967 Chevrolet Short Wide Box 327 TH350 9" w/3.90 gears paint will be White - Current Project 1967 Chevrolet Custom LWB 283 TH400 3.73 Posi, no-AC, no-PS, no-PB, bench-seat, small-window - mostly orig driver 1967 Chevrolet CST LWB originally a 327 TH400 3.73 Posi AC PS PB, had Buddy Buckets, Small Window - parts truck 1967 Chevrolet CST LWB, 283 MT 3.73 had Buddy Buckets, Panoramic Window - parts truck 2001 Chevrolet 3500 2WD Crew Cab Dually 8.1L Allison White

06-09-2005, 01:57 PM	#5
uncle Senior Member Join Date: Aug 2003 Location: Conyers,Ga. Posts: 7,288	axles I thought they were the same lenght,but I don't mess with much 4wd stuff. Before I finish my shoe ,maybe another 4wd guy will give you better info than I did. Sorry. I thoght a 12 bolt was a 12 bolt in a truck.I have however used 5 lug axles in a 70 housing.

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06-08-2005, 08:19 PM	#2
badpeanut Not a bad nut after all.. Join Date: Dec 2000 Location: ND Posts: 1,759	Is the 67-68 2wd rear axle a Corporate 12-bolt or a Dana 44? I don't belive the 2WD 6-lug Corporate 12-bolt axles interchange with the '71 4WD axles. I copied and pasted this from an earlier post: "According to the hollander interchange the 70 - 72 axels on GM 12 bolts are 31-11/32" long and the 67-69 are 30-1/4"."



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