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Author Topic: how much fuel for a dry shot  (Read 662 times)
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02gsxr600
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« on: February 13, 2008, 10:36:19 PM »

How much fuel do you have too add for a dry shot. I have a TFI controller that I'm going to wire in with the nitrouse activation switch actually the wot I can adjust this controller from 0-10 from idle too high rpm even to a full load situation what kind of % should you do say on a 15 shot,I would like to work my way up to a 30 hp jet thanks
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nomrlz
peter phitznuggly
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« Reply #1 on: February 13, 2008, 11:22:33 PM »

does it add 0 - 10% or does 1 = 10% and 10 = 100%  Huh?
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02gsxr600
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« Reply #2 on: February 14, 2008, 06:28:15 PM »

It has three settings one is for low to mid rpm the second is from mid to high rpm the third is for a heavy load situation. It also has a rpm switch to activate the mid to high fuel witch is adjustable to the rpm range. the incermants are from 1-10 witch means 1 is lowest 10 is highest so each click is 10% of that. the unit holds the injectors open just a fraction of a second and also lengthens the pulse
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Dan.J
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« Reply #3 on: February 14, 2008, 10:27:31 PM »

i dunno what your TFI does exactly but how is your tune prior to the spray? does the bike have a powercomander? has it been mapped? or just a generic map from dynojet? if u dont have a PC on the bike what mods other than the spray have been done? full exaust/airbox mods ect? i guess what im getting at is that if the bike is a touch rich at wide open throttle spraying 15hp isnt gonna reqwire much for fuel at all. and with a little 15 shot if your way rich it wont even do much at all. if it was mine i would put the 30 hp jets in it and set it up rich then work it down slowly with your fuel till it works right, youll know when the fueling gets close. keep a eye on plugs/piston wash if ya can...that will tell ya whats going on. its harder to mess up a motor with a 30 shot than most people seem to think unless tune is very very off or your trying to spray through a long top end run or somthing. keep premium pump (or better) fuel in it when ya spray and stay out of the rev limiter and dont do top end runs just short 1/8-1/4 mile at a time until ya know your tune is right. just my opinion on this as im no pro.....but ive sprayed ALOT of shit over the years from 30/40 shot dry setups on bikes to 50/60 hp wet setups on 2 stroke sleds to 250/350 hp wet multiple stage on cars thumbs  up have fun its addictive once ya feel the power laughing7
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nomrlz
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« Reply #4 on: February 15, 2008, 12:04:59 PM »

if it was mine i would put the 30 hp jets in it and set it up rich then work it down slowly with your fuel till it works right, youll know when the fueling gets close. keep a eye on plugs/piston wash if ya can
keep premium pump (or better) fuel in it when ya spray and stay out of the rev limiter and dont do top end runs

without knowing how this works exactly or this is good advice.  just mess with the mid/high and heavy side
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