abc <a@bc.net> wrote in message news:<87jpj05t9k1v4ais4b5kdl6s7hhf0c9okb@4ax.com>. ..
> i'm trying to improve the fuel economy on my 95 civic coupe auto by
> changing to smaller tyres. best i can get is 36mpg with stock 15"
> alloys. I need to get at least 40mpg if possible. I was wondering if
> anyone knows if 13" or 14" alloys would fit. I think these were
> standard on the hatchback models. Thanks


Yes, smaller wheels would make the odometer show greater than one mile
over a one mile measured course. So you it would appear that you were
getting better mpg.

In fact, you might get real better gas mileage if you went to larger
wheels. They would make your engine rpm's slower to go the same real
speed (again, your speedometer/odometer would be incorrect), and the
engine might run more economically at lower rpms. But if you have a
manual transmission, you might be able to run at lower rpms without
changing wheels.

Your best bets is to change your driving habits: conserve momentum,
brake as easily as you safely can, accelerate slowly. Pretend you're
a limo driver and are concerned about the comfort of your passengers.
Be at one with the calm and serenity of your Honda.

To answer about wheels, some of the old CRX's had 13" alloy wheels,
but not in the more modern styles. They might not fit over the brakes
if the brakes are bigger on the Honda's with larger wheels.