adding 50 HP per hole is sort of easy with constant 900 psi N2O pressure from full bottle to empty

Email from Jim C to Kevin Cameron:http://parrisracingconcepts.com/Home_Page.phpThis is the latest "turbo crank" deal, being aggressively marketed to snowmobile people now. Turbo crank mods are cicada-like, coming around, being promoted and talked about every few...

6/6 Sat Dave Waters/ RJ Overholt KTM 950 Vtwin flattrack bike w/ required inlet restrictors, Ron Jewell ported heads those nascar-like inlet restrictors hurt airflow and HP, and require vastly different jetting to achieve max HP--we got that perfect, but we can't...