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Originally Posted by BurningSkyline
No I wouldn't be using super big tires, just something big enough to not look stupid.
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Good. Well, if they're not too wide or too aggressive (knobby), the higher effective gear ratio they'll provide could theoretically HELP you - possibly.
Quote:
Originally Posted by BurningSkyline
I'm just wondering if there were any mods such as intakes, headers, exhausts, etc. that could boost the power and mpg a little. I drive pretty laid back and coast a lot anyways so that might help mileage a little  |
Generally, the typical "hot rod stuff" doesn't do anything for fuel efficiency unless your running at or near flat out. The reason is that most of those things add efficiency mostly at the top end of the power band, allowing the power band to go higher (power you didn't have before). But one of those pesky laws of physics says you can't get free power. Therefore this "new" power the hot rod stuff unleashes is, in the end, provided by burning more gas. So if it was a race car, "doing it's thing" at near max power, then the "performance stuff" could actually add fuel efficiency in that environment - maybe letting you go more laps between pit stops, etc.
One way to use this principle, (but I doubt it's what you want with your Blazer), is to put in a much SMALLER than usual engine & then hop it up. Then you'll be running closer to flat out, using the extra efficiency. But you wouldn't have any big "grunt" in reserve. That's why the little Metros get such great mileage but often don't have the ability to get out of their own way
Quote:
Originally Posted by BurningSkyline
I'm not expecting it to be extremely efficient. I just want a cool truck that gets decent mileage despite its size, aero, and weight.
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I respect that. Maybe, whenever you find your "ride", see what the EPA estimate for it is, then set about seeing how much you can beat it by.