GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

spark plugs for my 98 GS 400 ?

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Old 09-13-07 | 12:37 AM
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Default spark plugs for my 98 GS 400 ?

i think im gonna put in some DENSO IRIDIUM PLUGS ....r these good?
anyone know the part number for the plugs i need for my car ? thanks


tonY~
Old 09-13-07 | 12:43 AM
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ok i found the # is it SK20R11 ?
if these r junk let me know so i dont buy um..... =)
Old 09-13-07 | 05:37 AM
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Yes that is the correct Denso number, and yes they are awesome plugs. They are, afterall, what came in the car from the factory
Old 09-13-07 | 07:07 AM
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Which performs better? Denso or TM?
Old 09-13-07 | 08:24 AM
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I just put the Denso into my car and the power increase was noticable. The TM state they are far more superior to anything else, but for the price, I could not justify paying that much for moderate gains. Besides, I get the denso plugs for employee pricing.
Old 09-13-07 | 09:39 AM
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correct me if i'm wrong but isn't the price difference pretty small? the denso iridium is $11 for one & the torque master is $12.50 for one. let's say you have a v6, that would be a difference total of $9. again, correct me if i'm wrong. i am definitely not an expert on cars.
Old 09-13-07 | 10:49 PM
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are NGK plugs good for my car too?
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