Re: Timing and dwell

["Steven Ayres" <comwest@att.net>]

<x-charset iso-8859-1>DanielB=> I am using 96 octane leaded

Bear in mind that US and European octane ratings are different.

=> how should I expect the more potent petrol to affect the timing?

Higher octane effectively burns slower, so it can take a little more
advance, but I'd say given your needs you'd do well to leave the timing
where it is.

=> additives used in leadfree fuel in old engines to simulate lead?

I have that experience, and it's a complete waste of time in our engines.
Don't worry about it, you can happily run unleaded with confidence and
without modifications of any kind. What you've heard are echoes of
oil-company propaganda, from when they were making up reasons why they
shouldn't have to change their systems to eliminate lead.

Steven Ayres, Prescott AZ
'66 KG1600

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