Quote:
Originally Posted by skj283
why are the autolites any more sesitive to indexing than any plug. not challenging u, dont get me wrong. just intrigued. i run them and index them for the record. so dont think im being disrespectful.
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No, you are not being disrespectful. The cut back ground electrode changes the firing pattern and flame kernels of the spark plug. Also, when you index the spark plug, you are reducing spark plug and exhaust valve wetting problems that are caused by turbulence.
..and, if you have domed pistons, you can eleiminate the probability of the piston hitting the ground electrode.