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Old 05-16-2009, 08:46 PM   #1
19accord92
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What should the Fuel Pressure be on an H22a swapped CB7?

Hello,

I have been running my fuel pressure at around 28 psi at idle and it goes to about 33 wot.

I have noticed that the tip of my exhaust becomes black after a couple tanks and that is indication of it running rich.

What should my fuel pressure be running at? I don't dog on the car at all, and use it as a DD for the tq and power. I recently changed it down to about 26 psi. Is this OK?

Thanks in advance.
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Old 05-17-2009, 04:24 PM   #2
19accord92
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anyone??
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Old 05-17-2009, 04:55 PM   #3
turbo90accord
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base fuel pressure should be 40-41psi at idle with the vac line removed
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Old 05-17-2009, 11:12 PM   #4
19accord92
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are you sure for the h22?
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Old 05-17-2009, 11:42 PM   #5
turbo90accord
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yep im sure. h22 is 40-41psi f22 is 39-40
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People can hate all they want, my f22 is faster than yours.
I have literally been on this site for 10 years, I know what i am talking about!
John 10:18 "No one takes it from me, but I lay it down of my own accord. I have authority to lay it down and authority to take it up again. "
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Old 05-18-2009, 01:26 AM   #6
19accord92
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but what should the fpr be with the vac line?
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Old 05-19-2009, 09:39 PM   #7
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Dont ever measure with vaccum line cause vaccum can flutuate. Always set fuel pressure without vaccum.

P.S. Big thanks turbo 90 accord I have been looking for this info for a while now! the hanes says between 33 and 40 psi without vaccumm but that doesnt tell you squat. :P
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Old 06-11-2009, 01:12 AM   #8
19accord92
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to update,

i reset the fuel pressure to what turboaccord said and I am not running nearly as rich anymore. i think i had set it with the vacuum on therefore i was running extremely rich. i have it perfect now. i went on a road trip with 3 people in the car and cargo and driving 1/3 tank at 65 mph and rest at 80 mph, i got 34 MPG!!! crazy...
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Old 06-11-2009, 01:34 AM   #9
turbo90accord
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glad i could help!
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People can hate all they want, my f22 is faster than yours.
I have literally been on this site for 10 years, I know what i am talking about!
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