if i get an adjustable fmu and fuel pressure regulator would i be able to tune 550cc injectors to run properly? 2.4 litre and i will have a wide band.

HP tuners is your friend...




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nick renaud wrote:if i get an adjustable fmu and fuel pressure regulator would i be able to tune 550cc injectors to run properly? 2.4 litre and i will have a wide band.

eww you said litre.

any who to give you an actuall awnser (im bored) no not really.

run, probalby. idol, mabye. idol properly with out lowering vac (steping on gas pedal) no, not a chance.


see the problem is, is that your adjustable fmu probably will just be one of your stander rising rates that work with boost to rase pressure but unfortunetly that does nothing for your idol, unless (arent you glad you heard that word) you find a fmu that has a base pressure adjuster on it, then yeah youll be fne.


"Kick azz is my boost hero!!! "

^ Idle, not idol.... Can't make fun of a different spelling of liter if you can't spell idle

Its gonna be tough, your idle base pressure will have to be down in the 20's, and its still gonna idle like a diesel truck.





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HPTuners is what everybody will be preaching right now for you....

before HPTuners software came out, I personally had this setup to get my 440cc injectors going

GM supercharger reflash for the 2.4L twin cam, Apex S-AFC, and Casper's Adjustable fuel pressure regulator.... I had a non smoking idle, and pretty decent driving minus the low map voltage code that was thrown randomly...

but I just recently got HPtuners and ditched the Apexi S-AFC piggy back in favor of a more all around driveable setup.


-Trailblazer SS - not so custom 6.0L - custom intake - custom tune
- (1) 2.4L on an engine stand (1) blown trans (2) good quad trans (1) eco trans = party