You do not "have to" increase the gap when running electronic ignitions. I
can name plenty of cars that came with factory high energy electronic
ignition systems that have relatively small plug gaps. Volvos for example
have a coil capable of putting out 40KV and have a factory recommended plug
gap of 0.28".Wider gaps are done by some ignition system designers to help
cope with lighting off the leaner mixtures found on today's modern engines.
There are four words generally never found in the same sentence when
discussing LBCs. They are:
Modern
Lean mixture
S.U. Carburetor.
:-)
Rick
On Tue, Sep 29, 2009 at 1:09 AM, Oudesluys <coudesluijs@chello.nl> wrote:
> Rick,
> You are right up to a point. When you run a high energy coil or electronic
> ignition you also have to increase the gap of the plug considerably, thus
> creating the need for a higher voltage to spark. It is all about energy, a
> stronger spark through higher voltage and/or longer duration. The system
> also needs sufficient capacity to be able to release the extra energy.
> In the standard set up of cars I have never come accross bad plugs although
> I have heard stories enough in the past about Champion being lousy plugs. If
> things went wrong with the plugs, it was usually carburettor related.
> Kees Oudesluijs
> NL
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