Speed sensor pickup gear q's - Turbo Dodge Forums : Turbo Dodge Forum for Turbo Mopars, Shelbys, Dodge Daytona, Dodge SRT-4, Chrysler PT Cruiser, Omni and more!
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post #1 of 5 Old 01-01-2013, 07:34 PM Thread Starter
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Speed sensor pickup gear q's

I have a shorter tire than stock on my Daytona. The speedometer is obviously off now. I know that some vehicles came stock with 205/50-15's, i.e. some 1990 Shadow VNT's and others. Is the speed sensor gear different on these short tire models? Is the speed sensor gear the determining factor in speedomter calibration between vehicles? I would like to get my speedo accurate when running a set of 205/50-15's. Thanks
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post #2 of 5 Old 01-01-2013, 08:34 PM
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Re: Speed sensor pickup gear q's

There are three color gears for the speed sensor. Blue, yellow, white. Each is for any 80s/90s TD tranny speed sensor and which one you use depends on the diameter tire mounted on the car. I recently had my GLHS apart and it has the white gear, and 15" wheels which are standard. So the white gear is good for 15" wheels in any car.

All that being said, the profile of the tire will make the tire larger or smaller and it will impact the speed reported by the gear of course.
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post #3 of 5 Old 01-01-2013, 08:39 PM Thread Starter
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Re: Speed sensor pickup gear q's

The GLHS comes stock with 205/50-15 tires, so if your info is correct, I am in need of a white speed sensor gear. Thanks!
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post #4 of 5 Old 01-01-2013, 08:40 PM
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Re: Speed sensor pickup gear q's

the tooth count for the sensors, i believe are 19,20,21 for 13",14",15",16"

pretty sure 19 tooth gears are for the L bodies
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post #5 of 5 Old 01-01-2013, 09:24 PM Thread Starter
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Re: Speed sensor pickup gear q's

Just found this. It was said to be a direct excerpt from a FSM.

Front tire size Pinion Teeth & Color
__________________________________________________ ____________
P185 75 R14 19 Yellow
P195 75 R14 19 Yellow
P205 70 R14 19 Yellow
P195 50 R15 21 White
P205 60 R15 19 Yellow
P195 70 R14 19 Yellow
P205 50 R15 21 White
All other original equipment tires 20 Blue

______________________________________
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