Detonation Problem
I just installed a IHI turbo setup for my 98 civic(D16y7). With the wastegate on my car it runs 4psi, feels like stock for me, so i unpluged the wastegate and the car runs a solid 7psi it never goes beyond that point and hawls some ass, but at high rpm(4k and beyond) the detonation begins. I run 93 octane and just put in a new fuel filter,and spark plugs. I cant figure out whats he problem, is the car lacking fuel? if so should i just add a fuel pressure regulator or a fuel pressure regulator with new injectors? thanks for any advice.
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Re:Detonation Problem
you need some kind of extra fuel.... FMU maybe
your engine won't last long if you keep beating it to death without adding extra fuel |
Re:Detonation Problem
thanks man, but why can't i just use a fuel pressure regulator?
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Re:Detonation Problem
what do you mean. it'll be hard to make it run right if you get bigger injectors and try and adjust the fuel pressure around. the easiest way is stock injectors and FMU
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Re:Detonation Problem
thanks man, FMU it is.
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Re:Detonation Problem
I would look into an upgraded fuel pump if your running an FMU also.
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Re:Detonation Problem
in the meantime...retard your timing at least 2 degrees. try that and see if it helps
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Re:Detonation Problem
You are boosting without fuel management? :o
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Re:Detonation Problem
ok i installed the fmu now soon as i hit around 5K the car acts like it is lagging fuel. Which fuel pump should be good for me now?
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Re:Detonation Problem
What size FMU are you using? If it is at least a 10:1 you should have way more than enough fuel. Does it fall on its face and put you through the windshield(not really, but..)? I doubt a pump would fix that problem. Do you have any gauges at all?
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