The advice I've received is to keep opening the plugs .005" until
you start to get misfires and then back off to the last-good setting.
Max gap will probably vary a lot from car-to-car and setup-to-setup so
providing a magic number would probably be impossible.
Indexing the plugs (so that the open part of the spark plug electrodes
is facing up towards the valves) can give you a little extra boost as
well. Just mark the ceramic part and try the plug in each cyl until
it tightens up to the right direction.
Skye
66 B
Word on the street is that Charity Don said:
> Dear listers,
>
> I have just installed a high performance coil in my 1979 MG Midget 1500cc
> and it is recommended to increase the spark plug gap to achieve better
> performance.
> The standard gap is .030 in, does anybody know what gap the plugs should be
> set to?
>
> Regards,
> Don Charity
--
1966 MGB - GHN3L Safety Fast! __,__\__
The MGB Experience www.mgbexperience.com (_o____o_)
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