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Injector pulse...
Posted by KeithG (more from KeithG) on Fri, 30 Jul 2004 08:42:42
In Reply to: thanks for the reply,, nt moore, Fri, 30 Jul 2004 08:02:39
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fuel delivered is a function of pulse width, orifice size (injector) and fuel pressure. If the pressure increases, the pulse width required drops. If it drops too much and becomes too short, then the system cannot regulate to maintain 14.7:1 AFR. The LH system can only regulate to a certain range of pulse width. This is why many here get poor fuel economy/drivability (and accelerated bore wear possibly) when they put on a 3 bar FPR. The 2.8 bar regulator is good to beyond 185HP AND the pulse width still remains within an acceptable range to the LH system. Either this or a RRFPR would be my suggestion.
posted by 66.192.118...
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