1999 Pontiac Trans Am - Bolt-On Inspiration - Part 2
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Free Mod! Maf Descreen, Or NotBefore installing the MAF and airbox assembly to the car, the MAF is inspected. Since the owner's car already had a MAF that had the screen removed, Real Performance Motorsports reached into its parts cabinet and pulled out a factory MAF. According to RPM and many other shops we spoke with, an enthusiast should never descreen the MAF or polish the MAF ends. As can be clearly seen in this photo, constant effective air filtration is a must if the MAF screen is deleted. Bugs and wood chips don't flow well through a throttle body. For those reasons alone, the mod isn't recommended. The only time a stock MAF will reduce horsepower is when it becomes incapable of either properly reading the signal to provide the PCM with an accurate analysis of how much air is flowing through it, or the MAF is maxed out (more air flowing through it than it can read). If the MAF ever needs cleaning, electrical contact cleaner is the only liquid that should touch the center electrical sensors. Back to our T/A, the MAF and airbox assembly are installed, and the key is cycled a few times to get fuel into the injectors and to check for leaks. After verifying there are no leaks, the car is started and then loaded back up onto the chassis dyno. View Related Article
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