this has got me stumpped.pulled the motor out of my street car sent the heads to Dwayne,gotem back witha a new cam and got it all together and mounted to my run stand.still same dizzy but a diff 6AL would not run good finally the box went poof,but i had a brand new spare,same dang thing.so several people including Dwayne said switch the wires, from the factory they could be wired wrong,BINGO it fired right up.now fast forward.motors installed go to fire itNO DICE,switch the wires and bingo it runs great.now after all that heres my question,it has to be the wires on the dizzy but how did it change? i never even removed the cap or plug wires and the box in the car is thesame box ive had for seven years and it always pluged in right.