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Discussion Starter #1
How will my idle be with 550's? Will it be funky?

I have a SDR, ATS fuel rail and stock FPR to go with teh fuel injectors.
 

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Max, if your car is tuned right your idle will be smooth as butter, no issues. Probably wouldn't be able to tell it from a car with stock injectors.
 

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Im running 550's right now on a stock ecu, and ats rail/walbro/aero fpr and all that....completely UNtuned, and my idle is fine.
 

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Discussion Starter #4
I won't have a FPR though. that's why I was wondering.
 

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well i run the fpr at the stock fuel pressure right now...but i have turned it all the way up to 60 or so psi just for fun while idling, to see what would happen. But it still ran fine.
 
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