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01-15-2016, 02:37 PM
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#1 |
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Registered User
Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,334
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Re: Rear End Gears
CS148S169004
C Conventional 2WD S Six Cylinder 1 1/2 Ton 4 Pickup 8 1968 S St Louis 169004 Sequence number I still thnk this forum needs a "thanks" button! Or a "useful" button. Or a "You decoded it wrong, dummy" button.
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
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01-15-2016, 02:45 PM
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#2 |
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Registered User
Join Date: Jan 2016
Location: Cjarlotte, NC
Posts: 7
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Re: Rear End Gears
Well done Davepl. Thanks!
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01-15-2016, 03:18 PM
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#3 | |
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Registered User
 
Join Date: Oct 2011
Location: Victoria, B.C
Posts: 3,794
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Re: Rear End Gears
Quote:
To my understanding all these series of (C10) trucks that came from the factory with a 6 cylinder got a 3.73:1 differential gear as standard equipment. That said, had it come with a V-8 (option), I believe the default (standard) gear ratio would then have been 3.07:1. The only caveat to this would be if your SPID called out for something specifically ordered unique or non-standard (ie: 4:11 or a 3.73 in a V-8 truck, etc). All Good Coley 
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....for some men, there is experience, skill and effort....for the others...there is visa and UPS LOL 1966 Chevy 1/2 ton (Florida- Red/white) 1972 Chevy 1/2 ton (California- Blue/white) 2005 Chevy Silverado HD2500/Duramax 2000 Dodge Ram 1500 |
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01-15-2016, 03:44 PM
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#4 |
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Registered User
Join Date: Jan 2016
Location: Cjarlotte, NC
Posts: 7
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Re: Rear End Gears
Thanks Coley, I was able to get the code of the axel and it confirms it has 373 gears. The next step for me is to find out what size tires I should run to get the best performance and economy with these gears.
Thanks! |
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01-15-2016, 06:30 PM
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#5 |
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Senior Member
Join Date: Dec 2006
Location: Studio City, Calif.
Posts: 2,887
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Re: Rear End Gears
Nice Project Mike. Which transmission are you planning to get?
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'69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, stereo speakers, 2nd owner, Work-Truck supreme. |
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