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View Full Version : How to determine drive shaft length



hpmaster
06-19-2010, 12:24 AM
I have been working on my old highly modified and updated GRT for 3 years. The car is performing the best it ever has but is now cutting and tearing out the transmission tail shaft seal. Bushing is good. With the amount of rear steer and movement the car is pushing the drive shaft up into the seal ripping out the rubber. Car has a 38" shaft now. What is the best way to determine the drive shaft length and yoke combination to use? The transmission is a Bert std. spline.