There are absolutely no valid reasons why you cannot use iridium plugs in these cars, we do it all the time, never had an issue. I have a set of Denso Iridium TT IK20TT (4702) in my personal car, gapped at 0.040; car loves them.
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“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
Last edited by JFP in PA; 06-26-2022 at 01:19 PM.
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