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yes, these are flowmatched sets, so these particular sets might be closer to some other value than precisely 42. i've seen others below 42, so it's just a luck of the draw. thanks to flowmatching though, it doesnt matter what the rating says, as now you know exactly.Quote:
Originally Posted by hquick
The best way to eliminate the issue is to use Bosch GM replacement injectors. I've had Chuck at Cody Motorsports flow check several sets and they come out right on the money. He usually checks at both 3-bar and 4-bar so you know for sure that the injectors match their flow rating and also that you have an accurate number for setting IFR. If cost is the primary reason for using Ford injectors, PM Chuck L. for special pricing for EFILive Forum members.
From the Cody Motorsports flow bench-- Ford 36-pound injectors--
at 39psi- 32.94 #/hr
at 43.5 psi- 36.12 #/hr
at 58 psi- 42.86 #/hr
Thanks dfe1.
I just received this reply from a Lightning owner....
Q: Do Ford's use 40lb as their base fuel pressure?
A: The exact pressure is 39.6992187.