Plugs and wires
11-19-2006, 09:45 AM
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Plugs and wires
what are the best plugs and wires for a 2000 SSEi with 120,000 miles on it and what is the gap size and all that crap? thanks
11-19-2006, 10:53 AM
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Use the Autolite® 605 spark plugs (one heat range colder than stock) if you have a 3800 Series II or III engine engine with up to 6 pounds of boost. At this level, we recommend reducing the spark plug gap to .055", or .035" with nitrous oxide.
Use Autolite® 104 spark plugs (two heat ranges colder than stock) if you have a 3800 Series II or III engine with 6 to 12 pounds of boost. At this level, we recommend reducing the spark plug gap to .050", or .035" with nitrous oxide.
Use Autolite® 103 spark plugs (three heat ranges colder than stock) if you have a 3800 Series II or III engine with 12 to 18 pounds of boost. At this level, we recommend reducing the spark plug gap to .045", or .035" with nitrous oxide.
Use Autolite® 104 spark plugs (two heat ranges colder than stock) if you have a 3800 Series II or III engine with 6 to 12 pounds of boost. At this level, we recommend reducing the spark plug gap to .050", or .035" with nitrous oxide.
Use Autolite® 103 spark plugs (three heat ranges colder than stock) if you have a 3800 Series II or III engine with 12 to 18 pounds of boost. At this level, we recommend reducing the spark plug gap to .045", or .035" with nitrous oxide.
11-24-2006, 04:23 AM
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Hope this isnt a stupid question, but what is wrong with using AC Delco OEM plugs and wires on these cars when it'* time to replace them, which I'm about to do????
11-24-2006, 10:57 AM
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Nothing wrong with at all, except maybe cost. NGK makes the AC Delco plugs. OEM wires are typically more expensive than Belden'*. Belden'* have been proven time and time again on this Forum. Including in some of the more track-abused cars.
Use copper or Irridium plugs in a supercharged car, never platinums. Never bosch.
Use copper or Irridium plugs in a supercharged car, never platinums. Never bosch.
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