im in the prosses of building a 73 240z with a 400sb with the intent of some serious drag time.my question is what is the reaction of the car when a halfshaft u joint goes? does it damage the suspention, force the car left or right or just roll to a stop (open diff)? ive never raced a independant car before and would like to know what im in for. thank you for your imput im a new member and this site has been a huge help.