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Dear Dutchman,
I have seen so many posts about this issue. I don't understand why
anyone driving a 40 & above thousands dollars luxury car would run
on 87 octane.
Lower octane doesn't decrease engine output. It decrease your acceleration response time. Yes, I know the Volvo can run on
87 octane, but I would go against it. Since I brought my non-
turbo S70 back in May 1997, I run 91 octane ( during the Fall &
Winter months ), & 94 octane during Spring & Summer.
In my previous vehicle, one of my stupid (ex-)friend thought he
was being nice to re-fill my fuel tank, after borrowing my car
for a few days, while I was on vacation. It doesn't take a rocket scientist to realize that my car had been filled with 87 octane.
I lived up on a steep hill ( so is my university where I go ), and
the car took " what seems to be a million year " to get up to speed.
I eventually had to drained out the whole tank, and re-fill it with
94 octane, but the damage had been done. The engine NEVER behave
the same AGAIN. After owning that car for less than 3 yrs, I was
forced to sell it for the S70.
My girlfiend formally had a 1998 Jeep Grand Cherokee 5.9L. She
insisted that 87 octane was good enough for her. Well ... I refused
to drive because it is worse than my S70 ( when I stepped on the gas ).
She now believe me, as she now filled up her 2-months old Mercedes-Benz ML320 with 94 octane all the time.
I don't know about the price of fuel where you live, but here is only a
few cents more ( 79.9 vs. 83.4 ). You drive a $40K luxury sedan, spent
those few extra pennies. It will pay off in the long-run !!!!!!
Have a nice day !
Kenny
'01 Audi A6 allroad Quattro; '98 Volvo S70 GLE
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