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SC430 - 2nd Gen (2001-2010)

Indexing Spark Plugs

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Old 07-29-15, 11:05 AM
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LexBrett
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Default Indexing Spark Plugs
Anyone ever index spark plugs? Does this really work? Which direction does the gap align? Towards the fuel injector??
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Old 07-29-15, 12:11 PM
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Bgw70
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Originally Posted by LexBrett
Anyone ever index spark plugs? Does this really work? Which direction does the gap align? Towards the fuel injector??
Google is your friend...here is what I found.


Last edited by Bgw70; 07-29-15 at 12:15 PM.
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Old 07-29-15, 12:35 PM
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LexBrett
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Originally Posted by Bgw70
Hey Buddy,
Yes I saw those videos!
I wonder if it works?
I'm changing plugs soon and will let everyone know
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Old 07-29-15, 01:37 PM
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I was wondering that too. I did note that the summit guy said you may gain one HP and that really made me wonder if it was worth the time.
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Old 07-29-15, 02:21 PM
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I think it would benefit your gas mileage, but it's more true with the old carburetor cars than nowadays fuel injected computer controlled knock sensors cars of today.
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