jeff05

there light brown

I have a 4mil crank 40over vitos superstock pistons some porting 18cc domes pro circuit pipes 30mm okos. i was running my stock carbs and it ran fine but i thought it was not running at full poteintal so i put these on there jetted with 160 mains starts fine but when I go wide open it is flat and seems like i loose a cylinder let off the gas a hit it again and it pulls for a second and does it again,Im running 112 octane race gas open air box