Originally Posted by Rocket42

Kdrrt you cannot use nova plugs in the go engine as well as mccoy plugs, they will work but they will protrude too far into the combustion chamber causing decreased efficency. It must be a o.s style short shank plug to work, If you resort to mail order, amain sells the 6 pack of go plugs. A o.s. a3 will work as well.

Vigilante sounds like the perfect combo for that track. The x-ray clutch is also very good, I reccomend the 1.71 shoes with 1.0 springs, and if the bottom is too strong try the .9 springs.

Nitrojunkie, the 5port piston and sleeve will work fine in the 7port crankcase.