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996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.
View Poll Results: Which Plugs are best for a 650 HP Application?
Bosch FR6 LDC
40
60.61%
Denso Double Platinum
26
39.39%
Voters: 66. You may not vote on this poll

Spark Plugs (The Finale)

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  #31  
Old 04-26-2007 | 08:46 PM
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Originally Posted by evo911
ok im new to the Porsche scene. But let me get this straight, you guys run platinums in a turbo car? that is a big no no in the import world. Please clarify why this is? The cars tuned to them because its a long process to change them or what? I have always ran coppers or iridiums in my Evos or S2000 s/c'd
I'm curious about that, too. I ran NGK BKR9EIX iridiums in my blown 9-second Camaro. They held up to the intense cylinder pressure at the track and didn't get horribly fouled on the street. One pass would typically clean them up at the track.

No iridium fans here?

Jeff
 
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  #32  
Old 04-26-2007 | 08:49 PM
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My Tuner suggests the Denso Double platinum
Part Number: PK20PR-P8

I run 1.5 bars of boost will over 800 to the wheels.
markski
 
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  #33  
Old 04-26-2007 | 11:50 PM
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Originally Posted by MidnighTT
I'm curious about that, too. I ran NGK BKR9EIX iridiums in my blown 9-second Camaro. They held up to the intense cylinder pressure at the track and didn't get horribly fouled on the street. One pass would typically clean them up at the track.

No iridium fans here?

Jeff
I'm using NGK Iridium IX (BKR7EIX). I was going to go Denso, but was a little worried about the smaller electrode size. I was probably just being paranoid though, since smaller .4mm electrode would lower the voltage requirements.
 
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  #34  
Old 04-27-2007 | 06:33 PM
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Iridium is supposedly better than platinum spark plugs, in terms of corrosion, resistance and ignition performance.
 
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  #35  
Old 04-27-2007 | 08:11 PM
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ya i am all for iridium or copper.
 
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  #36  
Old 04-28-2007 | 12:23 AM
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Lots of interesting theories in this thread. However, I am only aware of two tuners who have tested different spark plugs in 996TTs -- Protomotive and EVOMS -- and both separately determined that the Denso Platinums work best.

Craig
 
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  #37  
Old 04-28-2007 | 08:40 PM
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MidnighTT is infamous around these parts
Originally Posted by Craig
Lots of interesting theories in this thread. However, I am only aware of two tuners who have tested different spark plugs in 996TTs -- Protomotive and EVOMS -- and both separately determined that the Denso Platinums work best.

Craig
It would be useful to know the list of plugs tested and what the shortcomings of the "losers" were. Recommendations from even reputable sources can be misleading for many reasons, e.g. exclusion of viable alternatives, unintentional or otherwise, or even outright sponsorships. Ferrari insists on Shell oil, but I doubt that is because their engineers believe the product is genuinely superior.

Proto and EVOMS probably don't get Densos for free, but I'd still like to know what alternatives were tested and where they fell short.

Jeff
 
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  #38  
Old 03-16-2008 | 07:06 AM
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For the DENSO Does one install them as they come or should gaps be adjusted?
 
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  #39  
Old 03-16-2008 | 10:11 AM
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how come when i changed to Platinum car idle very crappy i have to switched back to FR6?
 
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  #40  
Old 04-06-2008 | 04:21 PM
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r34dy2walk is infamous around these parts
i tried IK20's and the car doesnt like it to much.
 
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  #41  
Old 04-06-2008 | 05:08 PM
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We ran normal ND in all blown alcohol motors, the reason?? Well its much better to burn off the electrode than melt the piston.....LOL......of course 3-4 passes and they are shot, not so good for a street car....
 
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  #42  
Old 04-06-2008 | 05:46 PM
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Has anyone tried the Pulstar Pluse Plug? Instead of 50 watts of peak power typical of all spark plugs, pulse plugs deliver up to 10 times more peak power.

http://www.pulstarplug.com/
 
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  #43  
Old 04-06-2008 | 05:47 PM
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r34dy2walk is infamous around these parts
wow... random question... why are websites listing the turbo needs 12 plugs lol.
 
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  #44  
Old 04-06-2008 | 06:26 PM
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Originally Posted by robertp
Has anyone tried the Pulstar Pluse Plug? Instead of 50 watts of peak power typical of all spark plugs, pulse plugs deliver up to 10 times more peak power.

http://www.pulstarplug.com/
High tech guys comment on those plugs please, Just bought Iridiums and according to all threads they are the best....
 
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  #45  
Old 04-06-2008 | 06:38 PM
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r34dy2walk is infamous around these parts
my car didnt particularly like the iridiums.
 
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