Anyone try race gas in their F-Type?
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Mikey (10-17-2015)
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I'd like to think the quality of our bickering is better, but it probably isn't. Meanwhile, over on NASIOC, I think they're still arguing about Mobil 1. In fact, I think it's the *same* argument that was going ten years ago.
#30
I am so enjoying this thread.
Occasionally people admire the car and ask me "how many horsepower?" Or "V6 or V8?"
I sometimes tell them (if they are not car guys) "I don't know; the F-Type is fitted with a 450 kilowatt fusion reactor" and I slip away leaving them to wonder...
Occasionally people admire the car and ask me "how many horsepower?" Or "V6 or V8?"
I sometimes tell them (if they are not car guys) "I don't know; the F-Type is fitted with a 450 kilowatt fusion reactor" and I slip away leaving them to wonder...
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DJS (07-18-2019)
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#35
The misunderstanding of how octane rating works is amazing... Someone pointed out that the base tune map is based on the octane that was used to develop it and that is completely correct. It sets the maximum advance, any ping detection will reduce advance. There is no such thing as continuous learning to optimize for higher octane. As unhinged pointed out, the additives play a major role and are custom picked for specific purposes. Higher octane fuel usually has higher detergent content.... because otherwise, higher octane fuels have a tendency to leave more deposits. Higher octane fuel is actually harder to ignite... The short answer to your question is... if you have a stock ECU map, in the US you need 91 octane, anything more will not help and it may actually harm your engine (exhaust valves, O2 sensors, cat converters). If you want to use race fuel, have a reputable tuning shop put YOUR car on the dyno with it and tune it for that... but then stick to it.
MORE OCTANE is NOT EQUAL to MORE POWER without ECU tuning.
MORE OCTANE is NOT EQUAL to MORE POWER without ECU tuning.
Last edited by FType17; 07-21-2019 at 12:06 AM.
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Sleestak
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