Thread: Spark Plugs in Shelby Aluminum FE block
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Old 05-10-2016, 11:24 AM
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Bernica Bernica is offline
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Cobra Make, Engine: CSX #4xxx with CSX 482; David Kee Toploader
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Im using AR 3924 in an aluminum block with aluminum heads. Comp is 10.85:1 and running 100 octane. Seems to work.
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