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Jeff Chambers · 06-12-2006, 07:02 AM

If the ACT (IAT) is mounted after the supercharger (the best way to mount it), then your intake air charger temperatures are correct, especially if the car has no after/inter cooler. I don't know who told you that your ACT should only be 90-deg, but their wrong. Even with a methanol boost cooler setup its tough to get IAT any cooler than 110-deg under boost. The only way that it would be reading that cold is if you're using a six-wire MAF or a separate IAT sensor located in the intake tract upstream of the supercharger.

06-12-2006, 07:02 AM	#2
Jeff Chambers Moderator Join Date: Aug 2000 Location: Milan, OH Posts: 2,699	Re: intake temperature problem If the ACT (IAT) is mounted after the supercharger (the best way to mount it), then your intake air charger temperatures are correct, especially if the car has no after/inter cooler. I don't know who told you that your ACT should only be 90-deg, but their wrong. Even with a methanol boost cooler setup its tough to get IAT any cooler than 110-deg under boost. The only way that it would be reading that cold is if you're using a six-wire MAF or a separate IAT sensor located in the intake tract upstream of the supercharger. __________________ Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!"