Octane Fuel for Jaguar?

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#41

09-12-2010, 12:53 PM

Doug

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Quote:

Originally Posted by Dan R

Presently using US Tier 1 mid-grade. No problems after switching from "high" octane grade.
Lower octane gas is more flammable than higher (less detonation inhibitors), I imagine it helps on cold starts.

Lower octane does often alleviate cold start problems, yes. That's one reason some manufacturers recommend against using a higher octane than what's actually called for.

Cheers
DD

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#42

09-12-2010, 01:03 PM

Mikey

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Quote:

Originally Posted by Doug

Lower octane does often alleviate cold start problems, yes. That's one reason some manufacturers recommend against using a higher octane than what's actually called for.

Cheers
DD

Sorry, that's more myth and misunderstanding. See post #10

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