Spark plugs v8 LPG

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Spark plugs v8 LPG

Post  CLUNYKNOX on Sat Dec 12, 2009 12:28 am

Hi all I was led to beleve the best NGK plug to use for the v8 was BPR5ES but got this info tonight from NGK

(For LPG conversions its recommended to drop one heat range colder, reduce the gap .005" and if available switch to a fine wire precious metal plug for longer service life and greater ignitability. For this engine I'd recommend the BPR7ES stock# 3785 for the standard plug and the BPR7EIX stock# 4055 for the precious metal plug. You'd want to set either plug to .025" as a starting gap.)

hope this helps any one else lol!

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