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Spark plugs

To: british-cars@hoosier
Subject: Spark plugs
From: stern@neocad.com (Carl Stern)
Date: Wed, 2 Oct 91 15:40:02 MDT
Bruce writes:

>If memory serves me correctly in the case if Champion plugs 10 would be
>hotter than an 11. I once put a hotter plugs in a vehicle I had because
>it burnt oil and kept fouling the plugs, so I put a hotter one in to burn
>the oil better....

   I thought that the heat range of a plug meant how fast it dissipates heat.
Could someone provide a primer on spark plugs in general?  Not how to read
the cuts, but what different heat ranges are for and the effect of different
gaps.  Also what about platinum and resistor types?  Thanks.

 Carl




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