It is known that the TR6 engine should have 20-50w oil. My mentor and all the
TR6
gurus that I know suggest this grade and nothing less. I also tried the 10-30
and
noticed the difference in pressure.
MS6453@aol.com wrote:
> Hi All,
> I just installed an oil filter adapter and switched to Mobil 1 oil 10w-30.
> The information I've gathered was that Mobil 1 has far superior lubricating
> qualities. As a matter of fact the machine shop that did my block said not to
> put in the synthetic oil until I had 1,000 miles on the motor because the
> rings would not seat. So far the stuff is fine but it's definitely thinner
> and at an idle my oil pressure (hot) went from 25lbs to 20lbs. The pressure
> comes right up off idle but it's a pretty big difference just from changing
> oil.
> One other note about the oil filter adapter. If any one is hesitating don't.
> Not only does my oil pressure come up faster at start up but just the thought
> of never having to struggle with that cartridge again worth it alone!
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