I have a 94 GMC Sonoma, shich is practically the same thing as an S-10, and I got 22mpg pretty easy. I just today broke the water pump, so I am not getting any mpg, or infinite mpg, depending on your point of view.
Anyway, mine had: Rough mudding type tires, leaky egr, low compression, poor fuel/air mix (computer is off a bit), leaks oil bad, leaks coolant (now I know why!), has roof fog lights, etc, etc. I think if it was kept in good repair I could get 25 easy, and if modified it by removing fog lights and etc., I think 30 should be obtainable. I don't know, really, but they are pretty light trucks. I will probably not worry about modding this one, and sink my effort into my Geo.
Welcome to the forum, and good luck with the S-10!
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