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Old 07-15-2006 | 11:09 PM
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Super_Dave
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Default RE: another v-spec problem
You need to use OS plugs with OS cylinder heads. The OS plugs are about 1 thread shorter then normal plugs and designed for their engines. Like Dawman said try a hotter plug... a friend of mine had the same type of problem with the Nova P5X and a hotter plug fixed it.
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