Most of the debate on Oil is complete BS.
Consumer Reports did a study on motor oil a few years back. They took
over 100 taxi cabs in NY city. Completely disassembled the motors, and
measured the clearances. Then they reassembled them, and began a strict
oil change regiment on each car.
Here's the end results:
Cars that had their oil changed every 3,000, 6,000 or even 9,000 miles
showed NO DIFFERENCE in the amount of wear after 100,000 miles.
Different brands of oil showed NO DIFFERENCE.
Synthetic vs regular, NO DIFFERENCE.
Basically their summation was that all oil is relatively the same, that
the extra cost for synthetic isn't worth it, and that much of the "hype"
about oil is simply that. HYPE.
Eddie
Mark Mussari wrote:
> All,
>
> I've been lurking for a while, but getting ready to change oil this weekend
> and have read a lot about oil manufacturers and Datsun Roadsters. I've come
> to see the importance of the right oil and am wondering what everyone runs.
> I've read back about a year on the subject, and know some run Royal Purple.
> I'm leaning towards that, but PO did not use synthetics, and I've read here
> that going synthetic might mean never going back (or is that a myth?).
>
> I've also read a lot of good things about Shell Rotella 15w40. I had
> planned on the Royal Purple 20w50 (Southern California) until I came across
> the articles on Rotella and its high zinc content. I burn a bit of oil
> right now, so that is also something to think about for me. Anyone have
> experience comparing between the two?
>
> Thanks in Advance,
>
>
> Mark
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