<VV> To Ping or Not to Ping ? - "Premium" vs. "regular" gas
Bryan Blackwell
bryan at skiblack.com
Sun Sep 19 22:39:26 EDT 2010
Not quite - they changed the pump numbers to the average of the two types of measurement in the 70s (?) which had the effect of lowering the pump numbers somewhat - I seem to recall about 5 points. So, 90 octane '60s fuel is about 85 today, and today's 93 is more like 98. Maybe not quite as good as the old Sunoco 220, but pretty good. Someone who can dig up reference info may post it, but that's the way I recall it.
--Bryan
On Sep 19, 2010, at 10:22 PM, Jason Cesana wrote:
> Just remember all that "regular" in the 50's and 60's was the higher octane
> of today.
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