Hello everyone. It's been awhile since I've signed on, and to be honest it's been awhile since I've touched my old Z. I was running the car all last summer, and it ran great. It had great power,  and pulled really strong. I'm running ZTherapy rebuilt SU's which I synced and tuned, pertronix ignitor, and just an MSA 6 to 1 header. I rebuilt the engine but had the head sent out to Mancini machine, where I know they re surfaced it, and I can only assume they checked, repaired, and assembled the hea