2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

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Old Nov 13, 2007 | 11:58 PM
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plugs

would it be good to put NGK iridiums in a ss/sc with intake? and would my gas consumption increase or decrease
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Old Nov 14, 2007 | 03:24 PM
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Old Nov 14, 2007 | 04:02 PM
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Wouldn't exactly hurt it, but I don't think it would change anything. If they were one step colder or something, then I can see something.
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Old Nov 14, 2007 | 04:04 PM
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get ngk bkr7e
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Old Nov 14, 2007 | 04:13 PM
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the ac delco pro irridiums I just purchsed are also excellent.

honestly, fresh, clean, properly gapped plugs are more important than brand.
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Old Nov 14, 2007 | 04:15 PM
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Originally Posted by anthonyS88
get ngk bkr7e
He doesn't need them.
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Old Nov 14, 2007 | 04:22 PM
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oops i thought i read he had stg 2. sorry
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Old Nov 14, 2007 | 07:17 PM
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The stock spark plugs are NGK Iriduim spark plugs so there is no need to change. The plugs that you are the thinking of are the NGK BKR7ENGX which are iridium plugs that are 1 heat range colder than stock. That will not be necessary though until you get a stage II kit.

Originally Posted by joeworkstoohard
the ac delco pro irridiums I just purchsed are also excellent.

honestly, fresh, clean, properly gapped plugs are more important than brand.

More importantly do not attempt to gap irridium plugs. The metal is too brittle to do so. Gapping them will cause the tip to break off completely, or at a minimum cause microscopic fractures which will cause the vehicle to misfire severely.

Last edited by kenhebe; Nov 14, 2007 at 07:17 PM. Reason: Automerged Doublepost
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Old Nov 14, 2007 | 09:58 PM
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Originally Posted by kenhebe
The stock spark plugs are NGK Iriduim spark plugs so there is no need to change. The plugs that you are the thinking of are the NGK BKR7ENGX which are iridium plugs that are 1 heat range colder than stock. That will not be necessary though until you get a stage II kit.




More importantly do not attempt to gap irridium plugs. The metal is too brittle to do so. Gapping them will cause the tip to break off completely, or at a minimum cause microscopic fractures which will cause the vehicle to misfire severely.
yeah, however, you SHOULD check them with a feeler gauge.
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Old Nov 15, 2007 | 08:09 AM
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Agreed. It does not hurt to check.
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Old Nov 15, 2007 | 10:17 AM
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Uh oh. I gapped my iridiums. Maybe that's why they were so hard to get to the gab I wanted.
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