I agree with having tires "shaved" to correct out of round issues (I have always heard that called "rounding" not shaving - just what I have heard, I am not the expert on tires) - and I ABSOLUTELY agree with mustngr that you need someone who knows what they are doing. I was lucky and had a shop that would play with the tires to get them really round for me first (they would check the rims too, swap tires if too out of round, etc.) because they know I run my mouth to everyone and they would get a lot of free advertising.
Come to think of it, finding a quality tire shop is one of the best hidden ways to increase your FE, as it's an expense we all pay, but finding ways to stretch those dollars with better tires and better methods really helps.
Think about the venerable Civic VX with its Low Rolling Resistance tires. If they are rounder, that also increases the effectiveness of those LRR tires by further decreasing rolling resistance.
I don't agree with shaving several pounds, but maybe a couple ounces in truing up a tire's roundness, plus siping can significantly help.
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Looking to trade for an early 1988 Honda CRX HF (Pillar mounted seat belts)
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