Axel Identification (numbers are where?) - The 1947 - Present Chevrolet & GMC Truck Message Board Network

PHOENIX · 02-27-2003, 10:41 PM

What numbers tell me what the rear end is?
Where are the numbers on the axel?
I have a 1983 C10 w/ a 10 bolt rear end.
I want to figure out what I have.
I also plan to count the rotations, but I would like to check the numbers.

thanks

RockHQ · 02-27-2003, 11:58 PM

Pop the diff. cover open, the ring gear will have a set of stamped numbers on it, followed by "GM x y" where x and y are the teeth count of the pinion and ring. Divide the latter with the former and you'll have an exact gear ratio.

02-27-2003, 10:41 PM	#1
PHOENIX Registered User Join Date: Oct 2002 Location: Phoenix, Arizona Posts: 4,703	Axel Identification (numbers are where?) What numbers tell me what the rear end is? Where are the numbers on the axel? I have a 1983 C10 w/ a 10 bolt rear end. I want to figure out what I have. I also plan to count the rotations, but I would like to check the numbers. thanks __________________ * AVOID: LOPER'S PERMORANCE / LOPERSPEED.COM OF PHOENIX, AZ & COTTMAN TRANSMISSION *

02-27-2003, 11:58 PM	#2
RockHQ ROCKET POWER! Join Date: Feb 2003 Location: Finland, Europe Posts: 509	Pop the diff. cover open, the ring gear will have a set of stamped numbers on it, followed by "GM x y" where x and y are the teeth count of the pinion and ring. Divide the latter with the former and you'll have an exact gear ratio. __________________ What did i do last nite? I had a wonderful time, That's what they tell me What did i do last nite? 1979 C-10 shortfleet: Olds 350, Th400, 12 bolt Current project: 1969 Olds 455 W-30, needing a rebuild

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