Search results for query: *

340 motor with mild cam/msd ignition. Demon carb ran like crap so I bought a 750 proform...double pump. Running lean as plugs are gray to white. Original jets were 74/80(primary,secondary) Changed to 78 and 84...#1 and 2 plugs are gray...and 7 looks just about right as brown,bordering on black...