[Mgs] Pertronix Flame Thrower distributor

Henri Lefebvre 71mgbgt at gmail.com
Mon Jun 15 20:28:35 MDT 2009


I should add, for what its worth, that the gasoline I use is 91
octane, usually Shell V-Power, the highest octane available to us in
western Canada, which contains NO, or minimal, Ethanol.

Henri

On Mon, Jun 15, 2009 at 5:47 AM, Paul Hunt<paul.hunt1 at blueyonder.co.uk>
wrote:
> Ah well, that is a good question.  If you look at the early distributor
specs
> that statement holds true.  For late distributors it seems that the
> centrifugal advance already includes static looking at the strobe figure,
and
> for mid-era distributors it seems to be half-way between the two!
> 'Go-figure', as some say.  The upshot is that these days we are probably
> timing for minimal pinking and not the book figure, high-compression
engines
> even using 98 RON anyway.
>
> PaulH.
>  ----- Original Message -----
>
>
>  Paul, regarding the 41339, if you set a static of 10 deg and you have an
>  *additional* centrifugal advance of 10 deg @ 1,000 rpm (which makes it all
>  together 20 deg @ 1,000 rpm), how can you have a strobe of 15 deg @ 1,500
>  rpm?
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