faithofadragon

now i dont post much about stuff like this cuz i search for the answer but right now i cant find nothin

here is my question

can you run 440cc injectors on a regular stock motor but with a aeromotive fpr instead of the stockers?

thanks

MAXXTIB

No you won't be able to do it, in order to lean them out enough without a piggy back you will have to run a very low fuel pressure and it still won't run any good, the stock ecu will not be able to compensate for injectors that large, I was able to run a set of 360cc injectors with the stock ecu and under normal driving the stock ecu was able to lean them out but under wide open throttle the car would run very rich, now I have 440cc injectors and he car would not even start until I tuned them with my emanage.

faithofadragon

let me rephrase that

i have a piggyback

Jay-M

with the piggyback to back control down the 440cc's yes... that's the way to do it

as for the fpr... if you are using a fuel pump that is 190lph or higher (flow) the stock fpr has to be replaced. the fpr is subjective only to the fuel pump not to the injectors.

i've had a gst/gsx pump being regulated by the stock fpr, i was also running 4 440cc's at that time

JonGTR

With a piggyback, you can tune them down. Well, as long as the piggyback will pull up to 50% out.

Or, you can lower the fuel pressure a bit, then only pull out like 40%.

TiburonWao

Once I have the 440cc's with the SAFC2... at -50% the car run very rich!!! even with the FPR set to 25PSI

faithofadragon

meh SAFC sucks bottom line

its more for pretty than anythin else

JonGTR

<div class='quotetop'>QUOTE (TiburonWao @ May 24 2006, 04:01 PM) <{POST_SNAPBACK}></div><div class='quotemain'>Once I have the 440cc's with the SAFC2... at -50% the car run very rich!!! even with the FPR set to 25PSI</div>
I have the 440's with an SAFC. It should be set at -48%. It ran perfect during idle. The fuel trims acted like they were stock injectors.
Something was wrong with your setup.