[Mgs] spark plug gap

[Steven Trovato]

I always thought that the larger gap gave a bigger spark and was 
better, as long as the system generated a spark capable of jumping 
that far.  The gap was a compromise, big enough, but not so big that 
you end up with no spark.  Modern cars are more capable of reliably 
handling the larger gap. As for your MG, what coil are you 
running?  If you have a higher voltage coil like a Lucas Sport Coil, 
it can definitely handle the larger gap.  The fact that it is running 
great means that whatever you have, it is doing fine and I would 
leave it alone as long as you don't notice any problems, like a 
misfire.  As usual, Barney has everything you ever wanted to know about this:

http://mgaguru.com/mgtech/ignition/ig101.htm



-Steve T.

At 03:20 AM 5/1/2018, PaulHunt73 via Mgs wrote:
>More like the other way round - if at all - as the smaller gap was 
>in use decades before emissions regulations were applied.


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