I talked to the guy from Performance Products, Mike T, and he said in an email.. wait let me get it:
Mike: "No, I do not think you should change the MAF (mass airflow meter) or the TB (throttle body), as the factory units have plenty of airflow capacity for those engines with significantly higher power output than stock. You don't need to change the MAF or TB until you do something radical, like a supercharger, or do a camshaft change along with a serious port & polish job on the cylinder heads. Unless those mods are done there just isn't any need to increase the airflow capacity of those particular components, the power gain is slim to none, and they also require custom programming because of the leanout. The manufacturers of those parts, and Granatelli doesn't make their parts, Pro-M makes them under the name Pro-flo, causes a 1.8-2.0 leaning out of the A/F ratio @ WOT, requiring us to compensate for that so you're not running dangerously lean. They calibrate those units to lean out the A/F ratio so that you feel a power gain when you install any aftermarket MAF, but that has to be compensated for, and once that is done, there goes the power gain from that part, unless you have a blower or ported heads."
He gave me really good information about the superchips and diablo chips, and he seems to know what he's talking about. What do you guys think about the MAS and TB?
