<VV> Turbo plugs

Scott Candish scandish at sbcglobal.net
Sat Jul 8 04:29:36 EDT 2006

Can plugs with a high heat range cause pinging in a turbo 180? I bought new plugs @ NAPA (only ones they had) & when the engine heats up I get pinging under load when the turbo kicks in.Not when cold, though. Never had the problem with the old AC plugs. Can switching to a cooler plug stop the pinging? Running 91 octane, new plugs, timing ok.
  '65 Corsa

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