[quote=ls1_miata;9582521]
Yes and no. My assumption was that the MAF table was off so I would basically be correcting it to account for the different flow vs. frequency curve my custom intake has. [quote]
Yah, you are correct. I am relatively new to PCM tuning, am learning as I go.
After asking in the EFI forum & hearing from a few guys here in the tuning section, learned that my MAF flow vs frequency was off by 26.5%.....WOW!
Re-scaling the MAF table ended all of my other related tuning issues & made a huge difference.
The car had been proffessionally tuned after the intake, head, cam. Having tuning software revealed that the tuner only tuned for WOT & had also not modified the MAF table. The non PE tune was way off & I'm sure that @ WOT she was leaner than commanded. Thank goodness for knock sensors. A dissapointment, but, also a learning experience. Having tuning software is a blessing. The modified tune is nearly complete & the car loves it.
PS: Not a knock against proffessional tuners; most are top notch.
__________________ LSX powered MUNSTER.....Mod's list? 5 lbs per HP with a sh!t load of low end torque...Friend to all car people...Thanks LS1Tech
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