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How to Measure For A Custom Driveshaft

 

For vehicles with a slide in transmission yoke and a yoke on the differential:

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Measure from the edge of the seal (Not the output shaft) to the flat of the rear pinion yoke

 

Also measure the flange pattern as shown here:

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For vehicles that use a flat flange on the transmission and a yoke on the differential:

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 Also measure the flange pattern as shown here:

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For vehicles with a slide in transmission yoke and a flat flange on the differential:

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Measure from the edge of the seal (Not the output shaft) to the flat of the rear pinion flange

Also measure the flange pattern as shown here:

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For vehicles that use a flat flange on the transmission and on the differential:

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Also measure the flange pattern as shown here:

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On all live axle applications these measurements must be done at ride height.

The car can be lifted under the differential but make sure it has weight on the rear springs.

 

Be very careful and accurate with these measuements.

The size changes in increments of 1/16" (1-1/16" | 1-1/8" | 1-3/16")

 

Please Provide the Following Information:

1. Transmission Year/Make/Model (please advise spline count if possible)

2. Differential Info: What did it come from? Does it have u-bolts or straps and (4) bolts, or does it have a flat plate (3-bolt / 4-bolt / 6-bolt)

3. What HP and torque does the engine currrently produce?

4. If the car is being built for competition please give us a full run down of the car, including weight,tire size and rear gear ratio. All of this will help get you the correct shaft.

 

Please email all of the required information and measurements to driveshafts@driveshaftshop.com

If you have additional questions that can not be answered via email please give us a call, however due to high call volume email is the best form of contact.