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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 02-04-2003, 02:13 PM   #1
DMC
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Air:Fuel With Larger Injectors

I'm sure most of you have read what Ace did to his car to get the ratio correct, my question is why cant we attach the proper resistor to the line that returns the voltage to the ecu, so it knocks off the correct percentage(equal to the percent larger injectors you have(maybe?)) and if you think it will work what is the range of output on our maf and what size are stock injectors? also if you dont why not?
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Old 02-04-2003, 06:18 PM   #2
AceInHole
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You could do that, but it wouldn't be worth it.

If you're "knocking off" part of the MAFS signal, then you're basically cutting off the upper limit also.
For instance, say you knock off 1v of the signal.... what happens when your MAFS is maxed (at 5v) you're only sending a 4v signal, and the injectors will inject at the 5v stock injector equivolent. But, you can never get anything more than that 4v signal, since the MAF is maxed out at 5v (no, it won't go to 6v AFAIK) so you'll never get any more fuel than the stock setup.
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