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Recreational Mechanic
Join Date: Sep 2000
Location: Northern Colorado, USA
Posts: 3,326
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Look around your area for a 100 octane pump. There is one near me, it is still 10% ethanol but who cares. Or find a Sunoco rep and buy 5 gallon (or larger) pails of 100 octane race gas. Then add 2 gallons to every tank. That's what I do (on previous sports cars and on my new to me 996 so far), I figure 2 gallons brings me from 91 to about 94 or 95 octane on each tank.
I have looked at the various additives and when you research you will find most really don't work as advertised. Real high octane fuel is the solution.
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P Cars: 2022 Macan GTS / One empty garage space ---- Other cars: 2019 Golf R 6MT / 2021 F-250 Diesel / 2024 Toyota GR86 6MT ---- Gone: 1997 Spec Boxster Race Car, 2020 GT4, 2004 GT3, 2003 Carrera, 1982 911SC, 2005 Lotus Elise and lots of other non-Porsches
PCA National DE Instructor #202106053 / PCA Club Racing / WRL Endurance Racing
Last edited by Nickshu; 04-04-2017 at 07:10 PM..
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