recovered spark plugs from a Piper 140

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A2022
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Joined: Sat Mar 05, 2022 8:52 am
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recovered spark plugs from a Piper 140

Post by A2022 »

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

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after cleaning

annealing copper

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after resistance check

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Steve Melton
RV9A, Superior O-320 (roller cams), WW 200RV prop, Dual impulse slick mags, CHT 330F, EGT 1300F, Oil pressure = 65 psi, B and C Alt, 1000+ hours
Freedom and Democracy are all that really matter.
https://www.rvplasticparts.com/

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