[Healeys] Spark plug color - what do you think
varley at cosmos.net.au
Sun Apr 26 02:21:04 MDT 2015
John, I'm also a little curious about why the plugs have heat and carbon
marks so far up the threads, were the plugs tightened correctly or
loose? In regard to the colour, what fuel are you using, in that I have
no experience in regards to the effect on plug colour when ethanol
boosted or based fuels are used. Perhaps others on the list will know.
On 26/04/2015 12:09 PM, John Spaur wrote:
> I just pulled my spark plugs to check the gap and color. After 4000
> miles I think they are great. I did not have to clean or gap them.
> The color was the same on all plugs which is a first for me, even for
> the ’62 BT7 I had owned in high school and college and now for my
> restored one.
> ’62 BT7
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