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Old 12-26-2018, 10:53 AM
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mpabreo mpabreo is offline
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Ilmor 7.4L MV8 spark plug gap?

Anyone know the gap spec on the 7.4? Manual doesn't have it.

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Old 12-26-2018, 12:09 PM
88 PS190 88 PS190 is offline
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If the plug spec'd is an AC Delco Iridium I would not adjust the gap - whatever the part number the old plug is just replace with same. Most of these plugs are "preset" for the application and not to be adjusted like old school plugs.
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Old 12-26-2018, 12:35 PM
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Quote:
Originally Posted by 88 PS190 View Post
If the plug spec'd is an AC Delco Iridium I would not adjust the gap - whatever the part number the old plug is just replace with same. Most of these plugs are "preset" for the application and not to be adjusted like old school plugs.
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