How do I know what speedometer gear I have?

How do I know what speedometer gear I have?

How do I know what speedometer gear I have?

To determine your tires true diameter in relation to determining what speedometer gears you need, measure from the ground up to the center of the axle then multiply by two. The actual run out of the tire can be as much as 2 to 3 inches less than what the circumference of the tire measures.

What is a speedometer drive gear?

Speedometer Gear Selection. Older vehicles use mechanical speedometers. They have 2 gears that work together to measure vehicle speed. These “Speedo Gears” are usually located in the transmission. The Drive Gear is located on the output shaft.

Is the speedometer connected to the transmission?

Mechanical speedometers are analog devices that attach directly to the transmission shaft of the vehicle. They gave drivers a reliable way to measure their speed at a time when electronic sensors didn’t exist. They consist of several parts: the drive cable.

How much does it cost to replace a speedometer cable?

If it does need to be replaced, fitting a new cable will cost around $60 to $285 depending on the vehicle make and model and how difficult it is to get access behind the speedo gauge. Some vehicles include the speedo housing and cable all in one unit, with the housing being part of the assembly.

What kind of gears does Dodge use for speedometers?

Speedometer Gears from PATC for Dodge, Ford & GM. Ratio Adapters Speedometer Gears from PATC for Dodge Speedometers, Ford Speedometers and GM Speedometers.

How do I know what speedometer gear I Need?

To determine what gear you need, use the table below. Our part #’s for mopar speedometer gears are FD0xx where xx is the tooth count of the gear. At 60MPH, 1 tooth = 2 – 3mph. More teeth slow the speedometer down, less teeth raise the the speedometer. Gears with 25 teeth or less require a different speedometer adapter.

What are the part numbers for Mopar speedometer gears?

Our part #’s for mopar speedometer gears are FD0xx where xx is the tooth count of the gear. At 60MPH, 1 tooth = 2 – 3mph. More teeth slow the speedometer down, less teeth raise the the speedometer.

What size is the speedometer cable on a Ford speedometer?

Ford SPEEDOMETER 90 DEGREE RATIO ADAPTER, DIRECT or CONTINUOUS ROTATION, #43. 100 Inch Speedometer Cable, 5/8 nut on top 7/8 nut on bottom. 100” GM Speedometer Cable, Push on at top / 7/8 nut on bottom. Fits some GM 1969 to 1982.