Originally Posted by Mile30
Hell yes I believe it, I've done it twice already! It feels like when you add a K&N cold air system; just a slight difference in performance... and probably more of a mental upgrade. No error codes, no pending codes.
Let's work out the logic: If the PCM is told it's running a few (and that's VERY important, if you eff-up your math and get it wrong by twenty degrees = not good) degrees cooler than it's been programmed to run 'optimally', it does what?! adds air and fuel to warm it all up; the net result is more power and a slight loss of mpgs.
I'm working with a friend to solder up a few different resistances on a few different ECT sensors and pulling with each on a dyno to get concrete numbers... to prove to everyone else what I've already realized.
Why not just tune the car? Seems like a lot of work "reinventing the wheel" and screwing with mechanical parts that are already calibrated properly.