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#1 |
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Rated R Racing
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i just spent 40 straight hours putting a turbonetics t3/t4 turbo kit on my buddies 97 h22 accord. we had the car running stock fuel pressure regulator w/ a FMU hooked up. the car ran extremely rich, off course bc of the FMU. well we just switched the FMU out for some bigger injectors, walbro 255, and an adjustable fuel pressure regulator. the car still runs extremely rich. at cruise the car is alright, at wot and idle it dumps fuel. tried adjusting the pressure but cant get it right. any help other than just tunning w/ a hondata ecu?
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#2 |
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Pro Street Racer
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You willl need to get better fuel control, no way around that.
Especially with larger fuel injectors. I would just put the stock injectors and pump back in there, disconnect the wastegate arm, and drive it around with no boost for now. If you are spending the money to turbo a car, spend the extra couple of hundred bucks on Hondata ![]() You can get free tuning software like Crome, but you would still need to have someone who knows Crome tune it for you on the dyno. Good luck!
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Don't fry bacon when you're naked. 96 EK Hatch 343whp, and 245ft/lb torque at 11psi - Stock GSR Motor |
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#4 |
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Rated R Racing
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were getting a hondata this week and next sat. getting it dyno tuned. we were just fooling around on the street today and the car ws just too rich. just checkin to see if it was something simple i missed as for as fuel pressure. hes only running 4-7lbs for now. what psi would u set the FPR to?
hes got a s-afc v-tec controller, but i dont know how to tune w/ that. i can tune a gm car w/ a laptop but know nothing about the afc tunning.
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QTP LT's, QTP ORY w/ Cut outs, ported tb, ported Maf, msd wires, 4.10 gears, upgraded axles and drive shaft, built Rockland T-56 trans, t/a rear girdle, centerforce clutch, cold air intake, flowmaster, and standalone computer tunning from HPTuners weiand intake on the way and sts turbo kit hopefully by this spring. |
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#5 |
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Jr Pro Street Member
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You suck slow2000z28...I heard there is a lightning bolt waiting to strike around there
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#6 |
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Honda Head
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you are on the right track with the hondata and the dyno tuning. thats the problem i had with my accord. you might also need a new ecm/ecu. a p28 is needed for vtecs. every one will try to sell you a s300, but all you realy need is a s100 for everyday driving.
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#7 |
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Boost Addict
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How much boost you running through it and where is the FP set?
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#8 |
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Honda Head
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im running 8 pounds . im not sure about the fp but i will find out . i had a guy from houston tune my car.
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#9 |
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Boost Addict
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what size injectors and did you upgrade the fuel lines by any chance or any ECU tuning?
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#10 |
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Honda Head
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well, at first i was using 6 injectors. the normal 4 (240's) and 2 extra injectors (450's) that sat infront of the throttle . they had a stand alone system. t was to hard for me to fine tune. i then upgraded to 4 550's rc injectors and a hondata s100.
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#11 |
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Honda Head
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oh yeah! no upgrade on fuel lines. i put in a 255 walbro new fuel filter. i had some braded fuel lines from the filter to the rail but thats about it.
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#12 |
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Boost Addict
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Where is the timing set?
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#13 |
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Honda Head
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it was retarded 10*at first and then tuned till ran perfect. remember- im not running vtec. vtec i think need to be tuned by rpm. have you even got to drive the car yet??
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