Fuel (Gasoline) Question?
I may have access to some 100 octane low lead gasoline (AVGAS) and was thinking of using some in my Boxster S.
Can any tech heads or fuel experts tell me; Can I use this fuel? What percentage can I use (i.e. adding X gal of 100 octane to Y gal of 95 or 91 octane each tank? Thanks -Scott |
100 octane "Streetblaze" Unleaded is A-OK. Unleaded 100 aviation fuel is A-OK. Low Lead aviation fuel will kill your cats quick and long term use could damage your motor. Not recommended.
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There won't be a difference between it and regular premium gas. Save yourself some $$ and just use premium.
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Spark, compression and valve timing are set to optimize the combustion kernel initiation of 93 octane fuel. Higher octanes won't gain anything. |
Rob Falkner did some testing last year on his Boxster S and found a slight gain running high-octane street-legal (unleaded) fuel in his dyno testing.
It was such a small difference you'll never notice it, though. |
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PK |
Thanks all. I wasn't actually going to pay for the fuel, someone was going to give it to me as it will be left over from a project ;) , but given the comments here I don't think I'll bother. I have access to 95 Octane at a place just out of town at $4.89 a gallon so I normally use that. Think I'll stick with the 95 with the occasional tank of 91.
Cheers, |
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It's free but......
But a new engine isn't! :rolleyes:
Just to reiterate, it's 100 octane low lead fuel, not unleaded. I don't know anything about fuel, so I don't know the difference, but given the other problems I have with the car at the moment (and their cost), and the lack of benefits of using this fuel, I think I'll avoid it. Thanks again for everyone's replies. Feel free to add more if anyone has extra info. Cheers, -Scott |
lead, any amount = BAAAAAD.
Do NOT use 'low lead' fuel in your Boxster. |
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FYI though, it won't hurt your engine at all, it will just mess up your emissions equipment. |
Lead will ruin your cats and will most likely void your emmissions warranty (if you care).
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It's decided.
Thanks all. I'll be staying away from the 'free' fuel. I appreciate everyone's input.
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