M. W. Jordan, Jr. wrote:
>
> I have a 59 TR3A that I purchased out of a barn about 3 years ago. It had
>been
> sitting for about 7 years, but the sheet metal, frame engine and all seemed
>in good
> shape. Several months work turned it into a runner.
>
> But the oil pressure seems very low once it has been running for a while. It
> starts out about 60 lbs cold but after 20 miles or so will only show about
>35-40
> lbs at 3000 RPM, and drops t about 1-15 at idle. The engine does not burn
>oil, and
> the engine temperature does not seem excessively high - usually runs about
>160-180
> when warmed up and maintains constant temp readings.
>
> I suspect the main bearings are worn and could use replacement. I have read
> several comments about replacing with the engine in the car, but could use
>some
> practical guidance here. I would prefer not to pull the engine at the present
> time, but will do so if the pain of dropping the oil pan and doing it from
>below is
> overwhelming.
>
> Would appreciate the guidance of some who have done the task recently. I am
>on the
> digest version, so email privately if you prefer.
>
> Thanks
>
> M. W. Jordan, Jr.
> Marietta, GA
I agree with Greg P., drive it, use 20/50 oil, if you want a good
indication do a compression test. I think your oil is to light/thin. If
it ain't broke don't fix it, drive it.
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