Quote:
Originally Posted by David Inc.
For modern cars, yes. They can watch for knock and pull ignition advance when they see it. It means less power and efficiency, though, and isn't good for the engine itself. I think mine says it can run on regular in a pinch but it's advised to refill with premium ASAP, '17 Alfa Romeo Giulia.
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I think Otter was talking about "premium fuel
recommended" vs "premium fuel
required." Yes, a lot/most modern cars can adjust for the difference.
__________________
Steve
'08 Boxster RS60 Spyder #0099/1960
- never named a car before, but this is Charlotte.
'88 targa
SOLD 2004 - gone but not forgotten