IS - 1st Gen (2001-2005) Discussion about the IS models up to the 2005 model

Iridium spark plugs??+7hp increase??

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Dec 20, 2001 | 07:35 PM

#1

Sheliz

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Driver School Candidate

Joined: Dec 2001

Posts: 17

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From: Marietta, GA (Auburn, AL)

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Iridium spark plugs??+7hp increase??

Hey, does anyone know anything about Denso iridium spark plugs??? Thinking about buying a set.... they dynoed a stock IS300 and claim a 6.6 hp increase at the wheels and 5.1 increase in tq. Are they worth it?? Any info would be helpful......thanks

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Dec 20, 2001 | 11:05 PM

#2

dpatterson069

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Joined: May 2001

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From: CA

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i think it says that we already have those plugs in our stock cars..

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Old

Dec 20, 2001 | 11:10 PM

#3

EmoDragRacer

Lexus Test Driver

Joined: Apr 2001

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From: Pennsylvania

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umm where did you see that..and yesw we have iridium plugs stock in our car,

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Old

Dec 21, 2001 | 07:32 AM

#4

Sheliz

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Joined: Dec 2001

Posts: 17

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From: Marietta, GA (Auburn, AL)

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thanks!!!! didn't know we already had them stock- someone on ebay is selling them specifically for the IS300, guess I won't be buying them

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7hp, increase, worth

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