If you are doing any serious racing with the car you should upgrade to a better shaft. Go to www.driveshaftshop.com and get a set of stage II shafts from them.
Rick
The first Blown 3 Liter! "Drive it till the wheels fall off" -my personal motto!!!! 98.5 T-Red SVT #6180 Many Mods Buckshot77@aol.com Owner of 00 #1611 Silver Totalled on 10/7/01 SVT Parts for Sale