Thread: Why Cold Air Intakes Matter

Originally Posted by 91parkave

If its like anything else GM on older stuff like 3800 platforms and earlier LS stuff uses IAT sensor and other values to calcuate whats called MAT (manifold air temperature) and use that accordingly for fueling adjustments. There is no need to need to relocate the IAT, however if you want it for your data then thats your bag. On newer GM supercharged v8 vehicles 2 physical IAT sensors are used to give the PCM realtime information of pre and post blower temps.

I was under the impression the 741 didn't do that, and it wasn't until the LS2 era that the temp calculations appeared.

To the OP:

How do you know you're heatsoaking your intercooler? Are you monitoring your intercooler fluid temps as well?