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I have lots of experience with fuel injectors and programming as I did an engine management system on my last car that I added a turbo to. First of all is it the injectors or the O-rings that connect them to the fuel rail. Second, what is your goal with this car, what kind of engine mods do you plan? A otherwise stock motor with an intake and exhaust doesn't need bigger injectors or higher fuel pressure. Too much fuel removes the oil from the cylinder walls and the motor burns up from friction and looses power. Too little fuel and it runs lean and detonates. The only way to gain power or efficiency from a mostly stock engine is to increase the atomozation of the fuel, or how misty it is, the finer the drops of fuel. The only real way to do this is to raise the fuel pressure and then shorten the injector pulse widths proportionally. That way the motor still gets the same amount of fuel but it is shot at a higher pressure for less time, this increases the atomozation of the fuel or the mistyness of it. Just think what happens when a fuel injector is dirty, the injector has many small holes in the bottom that the fuel comes out of or is injected. If a few holes are clogged the spray pattern is lowsy and so is the power and efficiency of the motor.
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88L Coupe ,JDM motor, 5 Speed swap, and 2.25"exhaust, milage computer, custom down pipes from manifolds, real CAI, Accel Super Coil, 182k miles on the body. New black leather and small grant racing steering wheel. Port and polished intake manifold without butterflys and rebuilt 5 speed.
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