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Joined: Feb 2002
Posts: 38
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Feb 2002
Posts: 38 |
Does any one know if the 1955 Chevrolet came with a brass tag attached to the differential indicating the G.M. gear ratio? or a part number?
Dupie
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Willwood Engineering
Wilwood Engineering designs and manufactures high-performance disc brake systems.
Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
There was no brass tag.The code was stamped into the housing.Right side-front between 8 0'clock and 10 o'clock stud...center section housing.
Gene Schneider
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Joined: Feb 2002
Posts: 38
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Feb 2002
Posts: 38 |
Chev Nut: Going back to the Jan 26th post about the 1955 differential stamping on a 3.55 gears.
Can you tell me what the code would be such as (CVX or a CKV) on the 3.55 Non-Posi.
Thanks
Dupie
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
The stamped numbers that identify the ratio in 1955 and 1956 are- 3.70 is AA or BA, 3.55 is AB or BB, and 4.11 is AC or BC.The A axles were made in Detroit and the B in Buffalo.Any additional letters would indicate date made.1957-58 used the same letters for non-posi.1957 was the first year for posi.
In 1955-56 the casting number (raised numbers) on the housing were 3707306.1957-58 was 3725899.The housing from a 1964 could be used in a 1955 and were frequently change around.I don't see the letters you posted anywhere up thru 1964.
Gene Schneider
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