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before cleaning
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after cleaning
annealing copper
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after resistance check
recovered spark plugs from a Piper 140
recovered spark plugs from a Piper 140
the new owner wanted new spark plugs and gave me his old ones because I thought some still had some life. three of the eight failed the resistance check.
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before cleaning
**********************************
after cleaning
annealing copper
**********************************
after resistance check
**********************************
before cleaning
**********************************
after cleaning
annealing copper
**********************************
after resistance check
Steve Melton
N531EM, RV9A, Superior O-320, WW 200RV prop, Slick mags, CHT 330F, EGT 1300F, B&C, 1300+ hours
Freedom and Democracy are all that really matter.
Ride a bike, unlock the world.
https://www.rvplasticparts.com/
https://www.gpsdock1.com/
N531EM, RV9A, Superior O-320, WW 200RV prop, Slick mags, CHT 330F, EGT 1300F, B&C, 1300+ hours
Freedom and Democracy are all that really matter.
Ride a bike, unlock the world.
https://www.rvplasticparts.com/
https://www.gpsdock1.com/