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spark plug question(S)

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Old 10-19-05, 12:45 AM
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spark plug question(S)

What are the heat ranges for the stock fd spark plugs, and which ones should i be running with these mods

intake, dp, catback, soon to be mp and ecu, then fmic.
Old 10-19-05, 12:57 AM
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7 trailing 9 leading I belive.

I would recomment that you run 9's all round.
Old 10-19-05, 03:52 AM
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Unless you are modded, you dont need to run 9s, itll just foul up faster.
Also, I believe it's 7 for the leading (platinum) and 9 for the trailing.
Old 10-19-05, 08:54 AM
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I'd run 9's all around with your mods.
Old 10-19-05, 08:59 AM
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Originally Posted by MrRx
7 trailing 9 leading I belive.

I would recomment that you run 9's all round.
Im like 99% sure its 7 leading and 9 trailing...But I may be wrong.

But I would also recommend 9's for all. You may have to replace them more often, but it will run better overall.
Old 10-19-05, 09:38 AM
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...7 leading ..9 trailing ..stock... haynes manual..16 bucks ..good investment
Old 10-19-05, 10:42 AM
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Definitely run 9s all around with those modifications. As long as you don't drive like a grandma all of the time, you shouldn't experience plug fouling with the 9s.
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