kratz7435@comcast.net wrote:
> On Apr 27, 2:41 pm, Tegger <teg...@tegger.c0m> wrote:
>> kratz7...@comcast.net wrote in news:1177670790.351970.289140
>> @r35g2000prh.googlegroups.com:
>>
>>> 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?
>> Excellent chance your rings are shot. Rebuild/replacement time.
>>
>> No smoke because the cat eats it up.
>>
>> Mileage unaffected because engine burns it as though it were gasoline.
>>
>> Power has been lost, but it happens so slowly you don't notice.
>>
>> Emissions unaffected because modern engine oils combust very cleanly, to
>> protect the cat.
>>
>> --
>> Tegger
>>
>> The Unofficial Honda/Acura FAQwww.tegger.com/hondafaq/
>
> Thanks for the info, I guess the compression test would tell for
> sure?
>
> I plan to put about 500 to 800 miles a week on it for the rest of the
> spring, summer, and into the fall. Unless something fails completely,
> I will probably run it up to timing belt replacement and then change
> out everything.
>
> Is rebuilding or replacing the block and head generally recommended??
>
rebuilding is simply uneconomic on a readily available commodity motor
like this. buy a used low mileage japanese import engine and replace
the whole assembly. much cheaper and more reliable.