[Spridgets] Groovy engine

David Lieb 72spridget at gmail.com
Thu Dec 31 05:33:16 MST 2009


On Thu, Dec 31, 2009 at 12:17 AM, Hal Faulkner <frog.aye at gmail.com> wrote:
> I like the fact that:
> "Eliminating ping (also called "knock" or detonation) allows for an advance
> setting that is much closer to top dead center (TDC) to get more power from
> each stroke of the Piston.  This quality of a Grooved engine also allows a
> higher compression ratio with the use of regular octane fuel, thus adding
> more irovements (*sic*) to the quality of combustion and preventing knock,
> or worse, 'pre-ignition'...."

Hmm, IIRC, I could set my advance for TDC any time I like. I won't get
any detonation, either. Of course it WILL run like shite. I much
prefer to put significantly more advance in than that. Any of you
setting your advance so the spark is happening after TDC???
David L


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