Originally Posted by
EBMods
Stock JS Racing engines will do 10 minutes in buggy with 8mm carb insert, 30% Race Fuel, 086 pipe, and P5 plug.
I can vouch for that.. my sons truggy did do 11:30 on a test and tune day... but we still come in on our pits around the 7/8 minute marks... great engine all year...my o.s. gets 10 plus, but also race time its 7/8 minute mark also...