kratz7435@comcast.net wrote:
> Hi, I have a 97 Civic with 165k miles that seems to run strong and get
> good gas mileage. I do courier type work and have been getting 38 to
> 40 mpg. I do use a fair amount of oil, about a quart every 700-1000
> miles, although I don't notice any smoke. Passed emissions three
> months ago.
>
> I haven't done wet/dry compression test yet but will soon.
>
> I guess my question is whether burning oil usually corresponds with
> lower performance or gas mileage? Do bad rings or seals just let oil
> in and then "seal" under the power stroke/pressure?
>
> Thanks for any ideas... Tim
>
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Check your PCV. It's probably sucking out your oil (vapor) invisibly and
burning it. Most folks recommend a Honda valve, but they are expensive.

'Curly'