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Pierce Jones · 03-25-2021, 05:55 PM

Looking at a data log, my injectors (24 lbs/hr) are open 7.7msec (88% duty cycle) at 7000RPM (42 deg/msec). The intake has 308 deg dur @ .020”. So injectors are open 323 degrees of rotation and in my case spraying at a closed intake valve.

Not sure if any would be gained by a 36 lbs/hr etc.

03-25-2021, 05:55 PM	#3
Pierce Jones Junior Member Join Date: Aug 2013 Location: Chatham, ON. Canada Posts: 19 Likes: 15 Liked 15 Times in 9 Posts	Re: F.I. fuel pressure theories Looking at a data log, my injectors (24 lbs/hr) are open 7.7msec (88% duty cycle) at 7000RPM (42 deg/msec). The intake has 308 deg dur @ .020”. So injectors are open 323 degrees of rotation and in my case spraying at a closed intake valve. Not sure if any would be gained by a 36 lbs/hr etc.