<VV> Re: main jet vs idle and spark plug miss

[Bob Lindsey]

Also, an old biker's trick from the 40s & 50s.  Plugs would foul out while 
riding.  Biker would simply reach down, partially pull of the offending plug 
wire, plug would fire.  Re-installed lead, drove happily on (bugs on teeth).

Bob Lindsey


Frank wrote:

Also, if you are old enough you can remember the snake oil salesmen with the 
gadget that they inserted in series with the center tower on the distributor 
and coil lead. The engine was run with out the device and a tachometer 
showed a certain RPM. They then inserted the device and the tachometer 
showed more RPM. Hucksters I tell you. It was nothing more than a spark gap 
to provide a higher voltage spark at idle. Maybe they leaned out the mixture 
to get such a change for their demo. I saw it demonstrated on a Pontiac 
straight 8 flathead back about 1960. J.C. Whitney also had them for sale....

I have also heard more cylinder compression needs more spark plug voltage. 
Hence the better coils on the Spyders.


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