u- joints

We run an 11 second Dakota in I/CM with 1350's. We have never had a failure, but we had the driveshaft built by a reputable company using heavy wall tubing. The truck leaves hard with the tires bunched up and the front wheels between 3-4" off the ground. The 60' times are in the high 1.40's to low 1.50's, just my .02.