what spark plugs should you run on a Ricardo head ? model A ?
tom
Ricardo head spark plugs
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Re: Ricardo head spark plugs
From an old discussion
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Re: Ricardo head spark plugs
S/B 1/2" pipe threads - T plugs. If you want some different heat range plugs, 14mm adapters with long reach plugs. A range of plugs is available. I believe datsun Z were the perfect length to use with adapters. I run long reach platinum plugs. Call me if you like.