Re: Looking for Spark Plug Help
If it were mine, I'd pop the distributor cap off and look at the rotor and inside of the cap. Enough corrosion on the electrodes can give doggy performance. Depending on mileage and plug and wire condition, a common failure is for the rotor to burn through and the spark can go to ground on the shaft. Take the rotor off and see if there is discoloration on the bottom of it. It'll still run, but sub-par performance would be a result. You could clean the corrosion off the weights and springs while you're in there, if any is present.
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~Steven
'70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper
Simi Valley, CA
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