Spark plugs are hitting the pistons. Help!

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#16 (permalink)

09-14-2018, 01:12 PM

Bill D

CC Member

Join Date: Jul 2006

Location: Redding, CA

Cobra Make, Engine: FFR chassis and suspension, Mr. Bruce 289 FIA body

Posts: 1,066

Not Ranked

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

Tom Kirkham likes this.

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