This is an extreme Champion racing spark plug once used in 15:1 NASCAR superspeedway motors with a radically cut-back side electrode. Spark plug manufacturers usually spot-weld side electrodes to the ...
This is an extreme Champion racing spark plug once used in 15:1 NASCAR superspeedway motors with a radically cut-back side electrode. Spark plug manufacturers usually spot-weld side electrodes to the ...
Filling a roundish hole in a plank is a not-uncommon requirement: knot holes, or reclaimed wood accompanied by cuts for plumbing and heating, can present boards that need something beyond wood filler ...