quote:Originally posted by Meatball
Personaly I ended up re setting the ECU and the thing runs beautifully, I wouldn't waste my money on either one of them. Washington Warrior compared the stock ECU to a PC111 on a dyno and didn't come up with any significant power gains. I've got amazing throttle response, good mileage, idles smooth, nice plug color. Can somebady tell me again why I need to spend the extra cash, cause I'm pretty tight with it. I need all I can get for new rear rubber.
while i agree that you may not necessarily need a pc3, the pc3 will in fact allow you to tune the a/f ratio across the entire rpm spectrum, as where adjusting the stock ecu won't allow that; its adjustments are across the board.
for example, your a/f ratio might be good at idle and at 4k, but between 2k and 3.5k you might be runnig too lean, or perhaps too rich. this is where the pc3 will be vauluable for making those fine adjustments. your peak hp and torque numbers may not necessarily improve after instaling a pc3, however it should make a better curve along the entire range of the graph.
in fact, i'm going to the dyno today to check my numbers, and see what the a/f ratio looks like across the spectrum, and then decide on whether or not to install a pc3 or tfi or whatever.