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Old 05-31-2007, 06:34 PM   #1
kahtep
Scooby Newbie
 
Member#: 83771
Join Date: Mar 2005
Chapter/Region: NESIC
Location: Lowell, MA
Vehicle:
02 WRX
Reverse Manifold FTW

Default Big Blow through maf on 16 bit ecu

Hi,

I'm having issues tuning my big maf (75mm) which is also a blow through. I have modded stock injectors (740cc) and when I set the injector scale to 740cc I lose so much granularity on the maf that it runs real bad. Furthermore, if I multiply the stock maf table by a coefficient the car will not run (aka not enough fuel).

However, if I scale the injectors way down (550 cc) and the maf just a tad up, the car runs great and i don't lose granularity. I have tuned the maf to about 2.0 volts on the street, and the AF correction is within 5%...

My question is, can i continue to tune the car with such downscaled injectors at high loads?

-Gary
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