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Old 07-18-2011, 06:03 PM
elmariachi elmariachi is offline
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Join Date: Jul 2008
Location: Driftwood, TX
Cobra Make, Engine: Contemporary Cobra, 427 side oiler
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I run the black 158 for GM 454 on my MSD 8594 FE distributor. Cheaper and no problems, but the electrodes to tend to disappear after about 2000 miles.
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