Spark plugs are hitting the pistons. Help!

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#17 (permalink)

09-14-2018, 01:28 PM

cycleguy55 cycleguy55 is offline

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Join Date: Feb 2014

Location: White City, SK

Cobra Make, Engine: West Coast, 460 CID

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Quote:

Originally Posted by Bill D

Thanks Tom
The new spark plug still has the .750 threaded area but the tip is not projected. According to NGK tech this reduces the length .100 which hopefully does the job

0.100 shorter should be plenty - if you need more than 1/2 that your current plugs would show a lot more damage than just closed electrodes.

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