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Old 07-16-2003, 12:46 PM   #1
GMCrazy
David Tye
 
Join Date: Jul 2003
Location: Abbeville, Alabama
Posts: 52
gears in my 68'

I dont have a factory manual, and I was wondering what the gear size in my 68 gmc 1/2ton w/ 327 would be. I know there are probably many different ones, but i cant find a id tag or a code anywhere on the pumpkin. Anyone know where i could find an assembly chart for the rear axle? thanks in advance
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Old 07-16-2003, 01:02 PM   #2
CPNE
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Depends on transmission. If auto, most likely 3:07, if manual, probably 3:73. 4:11's were optional as well.

If you open it up the ring gear will be stamped with the ratio, i.e. 43:14 = 3:07
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Currently on or near the homestead:

67 Chevy SWB 2WD stepside 350/3 on tree (Pat's)
67 GMC SWB 2WD Fleet 402/auto (Brian's under construction)
67 Chevy 3/4 ton 2WD 402/auto (Business Hauler)
67 Chevy 1 ton dually 2WD 396/4 speed (Former business hauler, Needs TLC)
68 Chevy 1/2 ton Suburban 2WD 250 six/3 on tree (Brian's Needs TLC)
70 Chevy 3/4 ton 4WD 350/4 speed (Pat's - Disguised as a 68 GMC)
71 Chevy SWB stepside (Crushed by tree - parts donor)
72 Chevy 3/4 ton 4WD (Parts donor)
72 Chevy 3/4 ton 4WD Suburban (Parts Donor)
72 GMC 3/4 ton 4WD 292 six/4 speed (Mine - Disguised as a 67 GMC)
81 GMC 4WD Dually Dump Body 350/4 speed (Business Hauler)
82 Camaro Z/28 355/Super T-10 (Pat's toy)
93 Caprice 9C1 (Brian's Cop Car)
02 Toyota Camry (Reliable but a souless steel and plastic hulk)
2011 2SS RS Camaro M6 Factory Hurst Shifter

Maybe I need to sell some of this crap

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Old 07-16-2003, 01:04 PM   #3
GMCrazy
David Tye
 
Join Date: Jul 2003
Location: Abbeville, Alabama
Posts: 52
it is an auto, thanks
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