Quote:
Originally Posted by Taylor95
I really like ecomodder--it has helped me a lot. I've toyed with the idea of buying a scangauge for a while now. I suppose that should be the next thing I buy. It is hard to see the difference in some mods with the normal variations in tanks. For example, last tank I got over 17 mpg, but this one it looks like I will get at least 19 mpg (though it is warmer outside). I did see an improvement with the throttle body and CAI, but like you are implying, it is hard to know without the scangauge.
My tires I run at 34 psi. I've seen a lot of people recommending to run them at max psi, but is no one worried about uneven tire wear? Although the max psi on my tires is 60 psi... I'm not sure if I want to have them that high. My tires are getting old though so I will try bumping it up a little. I do take my larger tires into consideration... I need to multiply my miles by 1.04 for an accurate reading.
Hopefully I have a scangauge before I install the fuel filter. Most people here value mods when they are validated with a scangauge.
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A member previously tested tire pressure with coastdown testing. I believe the results, on a metro, had significantly diminishing returns above 45psig.
Ultimately it depends on the carrying capacity of the tires and the weight of the vehicle.