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Old Apr 8, 2006 | 05:32 PM
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what is a good plug to run with a msd 6al and gt-40p haeds and a steeda #18 cam on a 302 bottom end
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Old Apr 8, 2006 | 05:45 PM
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autolite #25, unless your spraying then use #24
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Old Apr 8, 2006 | 07:24 PM
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what about ap25s
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Old Apr 8, 2006 | 08:17 PM
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you cant run 25's in gt40-p heads, run an autolite 3923 spark plug gapped at .035
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4.842@156 and 7.53@192 on radials
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Old Apr 9, 2006 | 12:46 AM
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it's not the same as E-7's get a plug for an explorer head or a gt 40 head
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