Quote:
Originally Posted by Darrin Christen
Had a similar problem years ago. I had the drive shaft rebalanced, changed the bushing in the trans tail shaft housing, and also had the front and rear wheels rebalanced. Problem was still there, bad vibration about the last 300' of the track. Ended up breaking the trans case across the bell housing. I put a new Dedenbear trans case in the car and the problems was still there. By this time the rear tires needed replacing and bingo the problem went away. Smooth as glass with the new tires. Before this problem started the car had sat in the garage for two months while freshing the engine. I had neglected to put the car up on jack stands and I guess the rear tires got flat spots. Won't make that mistake again.
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Yeah, that's the reason the tires where changed before we made any runs at Denver. Thanks, Darrin.