brand new pump the toilet and every thing is brand new from rons 35 nozzles leak down done by rons the egt is perfect no wash down oil is perfect converter is new the tranny was just rebuilt ..bc i can't find were this problem is new case on the tranny new clutchs every thing new ...new car rebuilt the motor after 5 passes and it was new before the 5 passes ...went though every thing ...theres no popping ...the rons set up came from rons i told them every thing i had and what i was running and thats what they sent to me ....every thing in the heads are new and port and polished ..iron heads oval port ...i was only building a 6.0 motor for this car and had this same set up before ...i can't fidger it out i have changed every thing ...only thing i havn't done was put a gas carb on it ....and a differnt msd box ...other than that every thing is new??????