what have you seen? several are running these in nss. "Well manufactured converter. I will let you know how my 9 inch works in a few weeks. should stall about 3800 behind my 600 horse rb in a 3400 pound car with 4.88s
All the Stock Elim guys I know that have tried ptc, none have kept them. Every one was purpose built and they were all slower than the other brand that were in use prior.