[DMCForum] Re: spark advance/retard -- Quick, unplug Jim's spark advance and remove the cou

["content22207" <brobertson@xxxxxxxxxxxx>]

If you really feel this way I suggest you disable spark advance on
your distributor immediately (don't forget those pesky counterweights)...

At full throttle jumps off scale completely!

Is a wonder you haven't destroyed your engine... 

Bill Robertson
#5939


>--- In DMCForum@xxxxxxxxxxxxxxx, Jim Strickland <ihaveanaccount@xxxx>
wrote:> 
>
> We all agree that advanced timing can cause detonation.
> I think that, from the layman's view, it makes sense that the later the
> plug sparks in the cycle would increase the probability of detonation
> through a 'dieseling' effect.
> 
> From everything that everyone says (except Bill), when the spark plug
> sparks earlier, the chances of detonation increases.  Why the hell is
> this?  "Knocking" can be caused by the flame propgating too quickly
in an
> advanced engine-- but what causes preignition, an uncontrolled explosion
> in the cylinder?  Does this happen before the advanced spark due to
> elevated head in the cylinder or after the advanced spark due to
ignition
> delay or misfire?  
> 
> These are all questions that I haven't found answers to yet...
> 
> Jim
> 
> 
> On Wed, 22 Oct 2003 02:00:48 -0000 "checksix3" <jetjock11@xxxx>
> writes:
> > Amazing...absolutely amazing. It's indeed inspriring. Why would 
> > anyone look elsewhere when there is the clarity and depth of 
> > knowledge regarding basic internal combustion principles as 
> > demonstarted by those few special people here.
> > 
> > 
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> 
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