Which Fuel : Regular Unleaded or High-Octane Unleaded

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Which Fuel : Regular Unleaded or High-Octane Unleaded

02-17-2001, 10:44 PM

ymsin

Driver, Mercedes-Benz

Join Date: Feb 2001

Location: Malaysia

Posts: 1,645

For the 300se W126, after a superb performance tuning, I switched to a higher octane unleaded (V-power @ Shell) from the Regular Unleaded - thinking there would be a big boost in power and performance.

I didnt think there was much improvement in the performance except where each refill was a little more costly. I was wondering if anyone has had any experiences from using a different fuel?

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