Preventing the engine

Hi!

I've found such explanation about preventinf my car's engine:

Drop the oil pan after 100,000 miles and clean the screen on the oil
pick-up. Mine was chocked down to an opening about the size of a dime.
The oil seems to get charred in the head closest to the firewall and
works its way down.

Can anybody explain me it in simpler terms (which most I don't understand).




And what do You think about using more power gas (ethyline 95 replaced
by 98 one). Is is safe or may cause problems?

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Interesting, I've never heard of that being a common problem. Might be
the type of oil you are using and/or the driving conditions you have.

I'm guessing by power you mean octane rating. It should be safe and
should not cause any problems. In most places higher octage gas costs
more, but is the biggest negative of using it.

Matt