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12-09-2015, 01:12 AM | #1 |
MI '69
Join Date: Oct 2004
Location: Michigan
Posts: 314
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73-77 Blazer Front Drive Shaft Compatability
Now that I've sorted out which tailgates fit my 73 blazer. I need some help with the front driveshaft.
The LMC catalog shows 2 different front driveshafts (one with a u-joint tip and the other with a flange). Supposedly, the 73 requires the u-joint version. I've hard a heck of a time finding a used one but don't want to shell out $320 for a new one. There's a ton of the flanged shafts around so is it possible to just pop off the flange and mount it without it? The blazer is bone stock as best I can tell and has full time 4x4. Here's the page from the LMC catalog: http://www.lmctruck.com/icatalog/csb/full.aspx?Page=153
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1967 Chevy (Project Frankenstein) 1973 K5 Blazer |
12-10-2015, 02:23 AM | #2 |
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Join Date: Dec 2010
Location: Visalia, Ca
Posts: 707
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Re: 73-77 Blazer Front Drive Shaft Compatability
No they are different lengths but if you can't find them without it get the flange for your transfer case.
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<Brandon> 1974 Chevrolet K5 Blazer 350sbc/SM465/NP205, dana44 front, corp 14bolt rear with 4.10s and a powertrax locker, custom rear bumper 400sbc in the works. 1981 GMC C1500 stepside 250i6, 3spd, 12bolt with 3.08s 2.5/4drop on 15x10 with 275/50r15 81 GMC C3500 cab-chassis dually with utility bed 350sbc, Sm465, 14bolt with 4.10s nv4500 getting ready to go in 1979 Chevrolet K5 R.I.P. http://67-72chevytrucks.com/vboard/s...d.php?t=434096 1976 Chevrolet C10 R.I.P. http://67-72chevytrucks.com/vboard/s...d.php?t=434195 |
12-11-2015, 10:43 PM | #3 |
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Join Date: Apr 2012
Location: Chatt Tn
Posts: 977
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Re: 73-77 Blazer Front Drive Shaft Compatability
a jeep xj front driveshaft is the same style, but don't know if the length is compatable or not. those take 1310 joints, and the big round style is 1330.
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88 military v30 crewcab shortbed 5.9 cummins, nv4500, 205 86 k30, 89 diesel burb, 76 gmc pathfinder 71 longbed 5.3 4l80 http://67-72chevytrucks.com/vboard/s...d.php?t=522535 |
12-11-2015, 11:31 PM | #4 |
MI '69
Join Date: Oct 2004
Location: Michigan
Posts: 314
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Re: 73-77 Blazer Front Drive Shaft Compatability
What do I need to search for to convert the transfer case to the flange style output?
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1967 Chevy (Project Frankenstein) 1973 K5 Blazer |
12-12-2015, 12:49 PM | #5 |
Registered User
Join Date: Dec 2010
Location: Visalia, Ca
Posts: 707
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Re: 73-77 Blazer Front Drive Shaft Compatability
You just need the flange off the output it's just replaces the old yoke then you need a driveline that matches.I can't say whether the xj part will interchange or not but the early 70s squarebody 1/2 tons use a 1310 u-joint it would be a matter of length and if the cv joint will bolt up the same
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<Brandon> 1974 Chevrolet K5 Blazer 350sbc/SM465/NP205, dana44 front, corp 14bolt rear with 4.10s and a powertrax locker, custom rear bumper 400sbc in the works. 1981 GMC C1500 stepside 250i6, 3spd, 12bolt with 3.08s 2.5/4drop on 15x10 with 275/50r15 81 GMC C3500 cab-chassis dually with utility bed 350sbc, Sm465, 14bolt with 4.10s nv4500 getting ready to go in 1979 Chevrolet K5 R.I.P. http://67-72chevytrucks.com/vboard/s...d.php?t=434096 1976 Chevrolet C10 R.I.P. http://67-72chevytrucks.com/vboard/s...d.php?t=434195 |
12-13-2015, 10:42 PM | #6 |
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Join Date: Apr 2012
Location: Chatt Tn
Posts: 977
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Re: 73-77 Blazer Front Drive Shaft Compatability
just saw a 77 in the yard today with a 203, and the flange. just need to find a setup off one of those and you're good.
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88 military v30 crewcab shortbed 5.9 cummins, nv4500, 205 86 k30, 89 diesel burb, 76 gmc pathfinder 71 longbed 5.3 4l80 http://67-72chevytrucks.com/vboard/s...d.php?t=522535 |
12-22-2015, 02:16 AM | #7 |
Registered User
Join Date: Dec 2009
Location: El Dorado Ca
Posts: 3,374
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Re: 73-77 Blazer Front Drive Shaft Compatability
some front output shafts are fine splined and some are coarse, like 10 spline or around there, not sure, , you will need to pull yours off and see what splines you have, then find a flanged one with the same splines.I have had to do this.
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blazer, driveshaft, front driveshaft, u-joint |
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