Quote: I had a driveshaft shortened at a metal fab shop once. What you described is exactly what they did. I never had it ballanced and didn't have any problems. Obviously the proper way is to have it ballanced. I'm sure I just got lucky.
How fast did you drive the car wit hthat unbalanced shaft ? The only time I ever had it done the balance seemed ok at the legal speed limit , 100mph with a 3.23 gear and a 4 speed was a completely different matter .
