Firecat/Sabercat
my 03 f7 snopro, extended to 144" with 1.5" paddles stock clutches, engages at about 3600-3700 rpm, want a little bit more snap to it to keep up with my buddies f6 mod off the line, thinking about a stiffer spring and lighter weights to get it to fully rev out as its only hitting 7800 w/o, any...