Chevelle Tech - View Single Post - Spark Plug Upgrade
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post #57 of (permalink) Old Jan 14th, 20, 7:18 PM
Dave Ray
Senior Tech Team
Join Date: Apr 2012
Location: Yerington, Nevada
Posts: 2,124
Re: Spark Plug Upgrade

I have a break, waiting for Japan to send info on an engine, so, lets have some fun.

WITHOUT looking all over the net, and searching, who here actually knows what "J-gappng" a spark plug is????? And, why was it done????

Don't peek, now, post if you actually know.
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