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Question: Speedometer gear

dtaz

Member
Joined
Mar 28, 2018
Messages
13
Location
USA
Corvette
1963 Black split window
I'm having a hard time trying to find out the number of teeth that would be on a speedometer gear in a Borg/ warner t10 in a car with a 4:11 rear. Any help with the number of teeth or the color code of the plastic gear would be appreciated. Thanks, Frank
 

Tom Bryant

Well-known member
Administrator
Joined
Nov 9, 2000
Messages
7,322
Location
Edgerton, Ohio, United States
Corvette
1959 black 270hp (9/2/69) 1981 Beige L81(10/20/80)
24 teeth, solid yellow.

1956-1960 part number 3708143.
1961-1967 part number 3860347. (Looks like it fits both BW and Muncie)

From October 1972 parts manual.

Tom
 

Hib Halverson

Technical Writer for Internet & Print Media
Joined
Jan 10, 2001
Messages
13,453
Location
CenCoast CA
Corvette
71 04 12 19
Both gears are plastic. Are you talking about the drive gear on the output shaft or the driven gear in the end of the cable?
 

dtaz

Member
Joined
Mar 28, 2018
Messages
13
Location
USA
Corvette
1963 Black split window
Both gears are plastic. Are you talking about the drive gear on the output shaft or the driven gear in the end of the cable?

The gear that the cable attaches too.
 

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