I have ran a ZZ4 and a Fastburn 385 with great results. The ZZ4 was in a customer's car and it ran 13.20's in the 1/4, and with a bit more tuning I think it would of hit high 12's. I had a Fastburn 385 in my own car about 9 years ago and it averaged 12.70's with a best of 12.63 @ 108. I want to know any results good or bad on the ZZ383.
Dave
Dave