sb shearer inframes, 35mm carbs with oversized bowls. i can live with the very small hesitation. bottom line i guess is i want to know is running more timing than i am now dangeous on pump fuel? years ago i ran a shee with just bolt on mods nothing internal with +5 timing on pump and the motor ran great for two summers until it lost compression so installed a 4mil
comp is 145 both sides which is the compression i had the day i built the motor, been a few years since the top end has been apart so cant remember dome cc's. kevin helped me pick domes at the time and he knew i was always going to run pump.
drag ported, +3 timing, i dont think the fuel is the problem, its a very slight hesitation. im running a drag engine for trail use so it will be hard to fond the happy medium.
what are you pump fuel guys running for timing?
1) What type of aftermarket exhaust do you have? sb shearer 2) What type of airfilter do you have? pod's 8" 3) Are you a)running a stock airbox with lid stock airbox with NO lid c) Stock airbox with vents d) no airbox at all D 4) What is your elevation? (If you don't know, go here: http://www.topozone.com ) nearly sea level 5) What size pilot jets are you using? 52 6) What size main jets are you using? 162 7) What temperature is your Banshee jetted for? 8) Do you have a port job? full drag 9) What kind of carbs? 10) What size carbs? 35mm
so you can see my mods below, what is a safe amount of timiing to run with my setup running on 93oct? i have a slight hesitation really early in the first few gears and i know the drag ported cyls are not very strong down low but could a few more degrees timing help fix that? or if +4 timing the max i should go on 93oct?