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#1 |
Registered Member
Join Date: Oct 1998
Location: Rogers, MN
Posts: 2,089
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![]() Platinum plugs will spark more reliably but with a cooler spark. You can improve performance by going with a wider than stock gap. Platinum plugs do have a copper core, BTW. I use Autolite 3924s with a HI-6S ignition and MSD 8.5mm Superconductor wires. Non-platinum are the way to go if you change your plugs often as any good performance nut would.
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351W 89 Mustang GT Convertible |
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