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Originally Posted by jimmyv-21
if i get the pcm and just do regular driving are we talking an increase in gas mileage at all? back when i had the civic si i did several mods that said they would impove mileage and it actually got worse. i know why now (was young n dumb then)- they were all engine and exhaust mods and the decreased mileage was because i has totally eliminated my back pressure. i know this is a totally different case (now i am a little older and still dumb) but the principle is still there. with pcm and normal driving, do you get better or worse mileage. my dad has a banks chip on his 04 f350 6.0 that has six settings, and basically, on the lowest, you get great mileage and sacrafice a little hp, and on the highest setting, you can smoke the tires off. i guess at this point i am not a serious modder, but with the programmer, and a little know how...or maybe a lot of know how...would the programmer also be able to help me if i ever become a serious modder? to be honest, i dont know of any other programmer for the grand prix except the one bnayler pointed out. the others i have read about are able to program the car for 87, 91, or 93 octane gas, and i never run less than 91. are there any others?? i have a dhp pcm that i can get for a great price so that option is still there. btw bnayler, my gp wasnt the red red one, like yours which is a smokin color, it was the maroon one which i have only seen on a couple of se's and i didnt like it very much.
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Here is another that seems easy enough and no laptop is required. I don't have any experience with it. It looks like it is for power and not fuel economy though. If it were my choice I'd go with a DHP Powrtuner because it is more versatile and I love tweaking. Being complex makes it more challenging as long as you do not blow your engine or tranny. When you get to my age you will have nothing better to do.....lol.
To be honest with you I have never been able to see the original fuel economy I had before mods but I only put about 500 miles a year on it nowadays so that alone is savings. I do not drive it to work. It is just a toy I've had for 8 years.
http://www.3800performance.com/Merch...roduct_Count=4
BTW - It doesn't matter whether you are old or young. We all rise to the level of our own incompetency but at least it is fun doing it.