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163 Posts
i think this could be a good mod!
Bigger Injector
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1,028 Posts
yeah but you have to modify either the fuel map and/or the global map to properly use it.......
its kinda like putting a bigger carb on a motor. Just bolting it on doesn't work the best. The carb still has to be jetted to run perfectly.
A bigger injector will run richer throughout the entire map. When most mods only need more fuel added under load or high rpms.... your idling and no-load portions of your fuel map still need to have fuel trimmed.
if/when I get my hands on one. I'm going to start looking into tuning the ECU.
But for most folks the $30ish cherrybomb will do every thing you need to fool the ECU into dumping fuel for an open exhaust and open air filter (no airbox).
its kinda like putting a bigger carb on a motor. Just bolting it on doesn't work the best. The carb still has to be jetted to run perfectly.
A bigger injector will run richer throughout the entire map. When most mods only need more fuel added under load or high rpms.... your idling and no-load portions of your fuel map still need to have fuel trimmed.
if/when I get my hands on one. I'm going to start looking into tuning the ECU.
But for most folks the $30ish cherrybomb will do every thing you need to fool the ECU into dumping fuel for an open exhaust and open air filter (no airbox).
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11 Posts
Fuel pressure can be used with a adjustable regulator to tune also.Like said not ideal though since it also is a total range mod.Also can be dangerous if going way higher than stock fuel line wise.
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3 Posts
bigger injectors will Probably only be used by people running big bore kits.
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11 Posts
Yes normally fuel injectors are sized to run at about 50% of max flow.If you check out flow calculators HP is directly related to figuring out flow necessary.So if the injectors are at 50% and motor is producing 40hp max probably would be okay at up to 60hp.But very doubtful since at max output injectors are not as accurate or reliable.80% is safe though.
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