hey john me and john martin use them you have seen my car at the chucks show we have to use 2 left springs to make it lauch stright but they work great. john cuts 1.50 60 on t-break and i am 1.7 on foor brake.. later
bowling green this year thats one reason i am goin to DFI do i can get in the 10's with this small cam and small turbo. i know a little harder launch will get me there with a little fine tuning.