We are using the Holley NOS system (The Blue Bottle) , A wet kit with 61/38 nitrous and fuel jets. The motor was just built with 8.5 compression aries pistons, that were coated . next step is direct port on the crawford plenium. Right now 16 gal. fuel cell, with 255 fuel pump,fuel pressure reg, and bigger injectors. and some tuning. then were shooting for spraying 250-300 shot. WISH US LUCK.... pics coming soon....