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JSmiths 02 F4i build-up thread

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  #21  
Old 11-09-2008, 09:02 PM
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Default RE: JSmith

ORIGINAL: JSmith319

but I was never sure how exactly the ECM got an idea of how much air is incoming. MAF? MAP?
Map, hence the reason you have to tune it every time you change something.


ORIGINAL: JSmith319

Think a BMC race air filter will let more air in, and lean out the mixture?
Nope.
 
  #22  
Old 11-09-2008, 09:15 PM
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Default RE: JSmith

Just get a pcIII. I found a usb one on SBN for $110 shipped. works great and it takes about 30 secs to remap. Lots of maps free on the PC website, they probably have one for your specific setup.
 
  #23  
Old 11-09-2008, 10:26 PM
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Default RE: JSmith

ORIGINAL: boredandstroked

ORIGINAL: JSmith319

but I was never sure how exactly the ECM got an idea of how much air is incoming. MAF? MAP?
Map, hence the reason you have to tune it every time you change something.
Had a feeling. When I checked the filter, I did some exploratory wrenching, and found the typical Honda-style MAP sensor.

ORIGINAL: JSmith319

Think a BMC race air filter will let more air in, and lean out the mixture?
Nope.
[/quote]

It was a thought. Looks like the PC3 will be the ticket. Now, for more money... hummm... what to cut back on? beer or hookers...
 
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