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#1
10-07-2006, 01:29 AM
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installing larger injectors
well, as for the turboing of my sentra, i've read that its better to install things bit by bit to make sure everything is up to par and will easily find the problem quicker. now thing is, im grabing a walbro 255 fuel pump and 480cc injectors. i was wondering if a tune of any kind would be needed in order to run the larger injectors, or will the stock ecu just feed the right amount into my engine automatically?
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2008 Mazda 6 ATX 2.3 Liters of Slowness For those 9 seconds it takes me to reach 60mph, will be the most fun ill have in this car. 
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#2
10-07-2006, 03:08 AM
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Re: installing larger injectors
You will need to get an aftermarket ECU programed for the larger injectors. You might be able to get away with an fuel/air controller but that's not really how they are supposed to be used.
The ECU has no way of knowing what size injectors are in the car, there is no sensor that measures flow capacity. To the computer it's just a variable that is programed in. It will send the same pulse to a stock injector as it would to a 480cc injector, resulting what would likely be a total wash out of gasoline flooding the chamber.
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1989 240SX Fastback. . . . . . . . . . . . . . . . . . . . . . . . . . . 1995 300ZX Twin Turbo  Warning: Objects in mirror aren't as fast as they thought they were.
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