Can somebody advise me on the correct spark plugs for my 1967 300 horsepower, automatic. I currently have 10 yr old R44s with the Old style green stripes. I bought replacements from Paragon and they sent me are R45s in the Delco new style. I just went to my local NAPA and he tells me that are R44s are discontinued. His book recommends R43?
Which is the correct AC spark plug for my car?
Is there a point deduction if you use the newer style sparkplug?
Are there any sources for the correct old-style plug?
Mark Evans
Which is the correct AC spark plug for my car?
Is there a point deduction if you use the newer style sparkplug?
Are there any sources for the correct old-style plug?
Mark Evans
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