Rick's Free Auto Repair Advice

Posts Tagged: copper spark plugs

Copper spark plugs versus platinum spark plugs

Should I use copper spark plugs It’s common knowledge that copper plugs are the best choice for all engines. Right? Wrong. All spark plugs have a copper core. But “copper” spark plugs have a nickel allow tip fused to the copper core. That nickel alloy has the lowest electrical resistance of all the metals used for spark plug center electrodes. That’s why some carmakers prefer those plugs. But there’s a huge downside to nickel alloy tipped spark plugs; they don’t last as long as other precious metals. Copper spark plugs … Read More

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