2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

making low imp high

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Old Feb 15, 2004 | 10:06 PM
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Dub'N
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making low imp high

just got a set of 1600 injectors.. whats the deal with putting them in my s5... something like adding a resistor. i tried to such but no luck for me.
thankx
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Old Feb 15, 2004 | 10:09 PM
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what kind of ECU???

there is no way you can put those in with the stock one.
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Old Feb 15, 2004 | 10:26 PM
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nope...aftermarket ECU
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Old Feb 15, 2004 | 10:29 PM
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I did a search and found this:
https://www.rx7club.com/showthread.p...highlight=1600
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Old Feb 15, 2004 | 10:31 PM
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if you have an aftermarket ECU then I doubt it matters... there's probably even a setting somewhere where you choose them? other wise it probably just auto detects?....

which ECU?
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Old Feb 15, 2004 | 10:35 PM
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n370 with a chip in it
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Old Feb 15, 2004 | 10:43 PM
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1600's with a chipped stocker? not gonna happen, my friend.

Chipped stock ecu's just mainly affect timing, boost and rev limiters. Some alter fuel curve a little, mainly richening up (increasing pulsewidth of stock injectors). WIth bigger injectors, you need to DECREASE pulsewidth. No way the car will even run on top end with that much fuel being dumped in. You'd be looking at about 3x the stock amount of fuel being thrown in when those came on and no way to turn them down.
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Old Feb 15, 2004 | 10:45 PM
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im going to use the stock rail and mod the injectors...
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Old Feb 15, 2004 | 10:47 PM
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when i was on the dyno i was hitting 16 on the a/f readings right when the sec. would open.. i was told by many that i can thorw the 1600 on with the stock ecu
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Old Feb 15, 2004 | 10:54 PM
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I really do think your car would've been objecting very violently to you running it at 16:1 AF ratio under load...
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Old Feb 15, 2004 | 10:59 PM
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so what im askin would i have to throw in resistors?
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Old Feb 15, 2004 | 11:21 PM
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yes, 10 ohm 10 watt. one per injector, either wire will work.
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Old Feb 16, 2004 | 05:36 AM
  #13  
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From: san diego
hey, thankx RR thats what i was looking for.
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