Just built a drag car... has a new 512 stroker motor....indy heads...727..low gear kit,manual valve body..dana..4 link suspension...33 by 17 tires.Ran a best of 10.28 so far...Car did a burnout fine...came to line..took off and spun the tires...driver let off and the tranny blew like there was 5 pounds of C4 in it...tail shaft and converter survived but the case is in a hundred parts....as everything in the case....went through the floor..broke the drivers foot in 3 places....


What would/could cause this ?