Bought a '84 chevy s10 blazer. Only has 48k original miles on it. I am getting average mpg, 17-18, but would like to get better. What are some easy and fairly inexpensive ($400 max) ways to improve?

Asked by Dec 01, 2014 at 04:07 AM about the 1984 Chevrolet Blazer 2-Door 4WD

Question type: Maintenance & Repair

4 Answers


Cold air induction filter. Electronic ignition. Free flow catalytic converter.


Something simple but often overlooked. Make sure your tires are properly inflated. You could even go a 1-2 psi over for less drag but a stiffer ride.

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Supposedly running synthetic motor oil and changing the differential oil to synthetic oil is supposed to increase gas mileage a few percent here and there, but I've never experienced it. You're getting the EPA rated MPG in a 30 year old truck right now


Correct, I'm sure no matter what you do you won't get much better on that Blazer. Maybe 1-2 more.

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