I took my chevy suburban with a 8.1 4.11 gears and cleaned house one day on a bunch of other pickup trucks. I told everyone it was a 5.7. Then some smartalec kid showed up with his girlfiend in a hemi pickup. I left first and before the 60' he was was even. Then i think i must have hit the brakes. He went 14.50 and i did my normal 15.84. Not even close More than 4 cars. Then the punk kid came over and asked if i wanted to run him again. NOT! If the diesel has a bullydog kit it might be a different story. Stock it won't be close.