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| The Pub For General Automotive Related Talk |
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18-09-2012, 08:21 PM
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Jag built with Ford money
Join Date: Aug 2012
Location: in Sydney traffic...
Posts: 206
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Shell V-Power is 100 Octane over here
 From my experience at least, naturally aspirated engines don't respond much to increased octane over the specified grade. i.e. it's spec'd for 95 octane, running 98 makes bugger all difference. However with forced induction engines there is more potential. One example with the XJR on my road trip from the UK to Switzerland. I filled up in the UK with Esso Supreme 97 octane, this got me to the Dutch/German border, driving across Belgium I was getting around 11-12 L/100km. I filled up with Shell V-Power 100 octane at the Dutch/German border, and got an impressive (to me at least) 10.1 L/100km from there back to the Swiss border. It should have actually gotten worse since I was driving faster in Germany than in Belgium...!
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Ex: AU XR6, Mondeo ST200, AU3 TE50, NC Fairlane 5.0, XE ESP Turbo, XY Ute, XD ESP with a 351 Also have a Land Rover, and another Jag, somewhere...
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Re: 95 vs 98 Fuels
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