hi my engines is going to be together soon and my block is sleeved to 85mm and i have ib spec 85mm with all the dynos and stuff i here ill give it a shot...fuily built i mean fuily built ls vtec and should i run 91 and 100,(50/50)what do you prefear...its a sorda daily driver not really allmotor car

 

run a pure mix when you race,

take out timing when you street drive and use pump gas