mfg Posted March 22, 2021 Report Share Posted March 22, 2021 In certain situations, Studebaker recommended operating the Avanti engine with spark plugs loosened one full turn....True? Link to comment Share on other sites More sharing options...
r1lark Posted March 22, 2021 Report Share Posted March 22, 2021 Yes! To blow carbon out of the cylinder that was knocked off the plug when it was loosened. After operating for a few seconds, then shut the engine off and remove the plugs. How many of you follow this factory recommendation? Link to comment Share on other sites More sharing options...
mfg Posted March 22, 2021 Author Report Share Posted March 22, 2021 6 hours ago, r1lark said: Yes! To blow carbon out of the cylinder that was knocked off the plug when it was loosened. After operating for a few seconds, then shut the engine off and remove the plugs. How many of you follow this factory recommendation? CORRECT!.....and I must confess that I don't! Link to comment Share on other sites More sharing options...
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