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International Automotive Technicians Network
Re: Urban legend or fact
Posted to Open Discussion Forum on 10/5/2020

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...Yes...with the plugs out and a rotational effort of about 90 [...]. (which a 3/8 short ratchet can easily do with my hands pushing/or pulling on it)...the momentum will kiss and bend the TINY stems most any modern powerplant's valves...kiss of DEATH. ... Login to read more.