PDA

View Full Version : Fresh build...need close jetting specs for FCR



Hull37
03-30-2012, 09:09 AM
Hey Guys.....wanted to get some opinions on Jettings specs for my new race motor.

Location: PA

Mods: Ported Head, stock size valves, stage 2 hotcam, JE 13.8:1 piston, FCR Carb, Curtis Sparks big core exhaust, Factory airbox,

Just need ballpark specs

thanks guys

atvrider13
03-30-2012, 03:11 PM
180-185 mainjet on racegas.

Hull37
03-30-2012, 03:19 PM
Thank you sir

eastside 400
03-31-2012, 01:12 PM
165-175 main jet, 42-48 pilot, OBEKR needle on middle clip, F/S 2-2.5 out, 55 leak jet

racerx573
04-03-2012, 04:01 PM
It's still going to be slow ;-)