Quote:
Originally Posted by Darrel Goheen
Are you in agreement that 60 lbs of pressure will offer better performance/fuel burning than 45 lbs.? My plan is to run 4 back to back runs Fri night. Two at current 45 lbs. pressure then change to 60, change fuel pressure in software and make two passes to see if it makes any noticeable change in performance. Thanks.
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I haven't found conclusive proof of this, but your back to back test might. Even then, the results will only be relative to your engine and that injector.
That being said, I have never seen higher fuel pressure hurt performance so at worst, it is equal to lower pressure in terms of performance. All my statements here are assuming that you are making the proper corrections to your tune or calibration so that you are always delivering the same net amount of fuel, just one with lower pulsewidth / high pressure, the other with higher pulsewidth / low pressure.