we here have been gettin TERRIBLE RESULTS with any comp but if you guys think the comp is better let me know why???i have never ran one,but there are 3 peope near by that have had there cams go flat in about 10 minutes,and they followed there break-in procedures to the letter,i was there,if it's good i'll use it,but i cant afford to tear down an engine every time they go flat.what did your car run like with that build?i got a 68 dart that should weigh somewhere in the neighborhood of 3000-3200 lbs