David Yip wrote:
>
> I am kidding, but just a little. My personal oil
> changing experience leads me to believe that all this
> frequent oil changing is just a scam and not by the
> oil companies. Just two more points of data. I had a
> 1983 Mazda 626 for 10 years. I changed the oil twice.
> It still ran strong before I sold it at 200,000
> miles. I had a 1980 BMW 320i for 21 years. The oil
> got changed maybe 5 times. It never had a problem and
> ran great.
>
> According to those quick change places, you should
> change your oil every 3000 miles. Right. According
> to the manufactuers, it should be changed every 7500
> miles. I read a Mobil oil report that said engine oil
> is good for 15000 - 30000 miles. Who's right?
>
> How many engine rebuilds have you people who change
> your oil every 3000 miles had to do? I'm not saying
> that frequent oil changes are bad, other than for the
> environment, just that they are a waste of money.
>
> David
>
I would like to see the inside of those car's engines. I had a neighbor
that changed his oil like you did (do) and when we took off his valve
cover, there was so much gunk collected in the top of the engine that it
had to be removed with a putty knife. And it ran well too!
The trouble with that scenario is the guy is an ENGINEER and should know
better!
Cheers,
Joe
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