From: Patrick Jankowiak (recycler@swbell.net)
Date: Tue Nov 16 2004 - 20:21:50 PST
Optical trigger is best! I used an optical trigger to drive a
capacitive dischsrge ignition system and it worked well at
8000RPM in a ford pinto.
Patrick
noel shelley wrote:
> Hi Jack ,Bjorn and the list ,
> The following applies to any multi cylinder
> gas engine !
> When timing the ignition one sets it on No 1 cylinder . What is not commonly
> known is that the accuracy of the lobes of the distributor cam is at best
> poor and therefore the timing of the other cylinders maybe several degrees
> out , both ahead and behind ! Indeed on inspection in a random selection of
> 25 cams none was found to be better than 4 degrees lobe to lobe .
> Whilst one can get a bigger fatter spark by an electronic system triggered
> by the points , the above is still true and even a magnetic trigger will
> only partially solve the problem . There IS one system that addresses the
> accuracy issue and bigger spark as well , LUMINITION
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