make that 0.028"DOH!
Rick
On Tue, Sep 29, 2009 at 7:22 AM, Richard Ewald <richard.ewald@gmail.com>wrote:
> 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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