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Spark Plug Choise
Not my strong area
Running Mowtown (Chevy) 415 cu in with Alloy heads and 9.8 to1 CR.
Any recommendations on plug choise. I like NGK, but I realise there are a number of good comparable makes. I am guessing with the set up that I will probably have to go one stage colder than normal.
Looking forward to your help
Mike.
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Mikey B
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