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07-12-2005, 08:35 PM
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Spark Plug gap?
What sould I gap my plugs at? It is a stock 350ci crate motor and the plugs are Bosch Platinum #4208
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07-12-2005, 08:42 PM
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Stock HEI ignition? 0.035-0.040"
Larry
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07-13-2005, 01:59 PM
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old school
We always gapped points operated plugs at .035 and HEI at .045. MSD recommends starting at .055 for their Multi-spark boxes.
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07-13-2005, 02:03 PM
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throw those plugs away get some autolites they never did a damn thing for my car
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