Spark Plug Selection

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May 13, 2003 | 09:06 PM

ken-rx

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Burning Brakes

Joined: May 2002

Posts: 970

Likes: 3

From: brooklyn ny

Spark Plug Selection

I have an ATI using 8lbs boost. I used platinum NGK plugs with twin electrodes. The car ran fine but I notice everyone uses those "other" single electrode plugs. Speculation saysthatthe platinum plugs run hotter and lead to detonation but if the right heat range is selected I can't see why it matters. Besides, wouldnt the single electrode plug tend to "blow out" under boost? Please don't say its recommended. I want to know what every one actually usesand or has tried. It seems to me a multi electrode plug may have advantages in a car running boost. Thanks for your comments. :chevy

May 14, 2003 | 12:50 AM

runamuk

Le Mans Master

Joined: Jul 2002

Posts: 7,370

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From: Slave to the evil empire

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St. Jude Donor '04

Re: Spark Plug Selection (ken-rx)

I'm running stock with no problems what so ever, of course i'm only puttin out 5 psi of boost :cheers:

May 14, 2003 | 05:51 PM

cablebandit

Instructor

Joined: Jul 2002

Posts: 179

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From: Atlanta ga

Re: Spark Plug Selection (runamuk)

my vote is for autolite 103s.....gapped around .32

May 14, 2003 | 09:55 PM

Chris@East Coast Supercharging

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Joined: Jan 2001

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From: Central Jersey

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Re: Spark Plug Selection (cablebandit)

We use the NGK TR6's in all the blower cars..

May 15, 2003 | 11:49 PM

hogurt

Drifting

Joined: Oct 2002

Posts: 1,898

Likes: 35

From: Fairview Hts. IL

Re: Spark Plug Selection (CHRIS NJ C5)

I switched from stock plugs to NGK TR6's gapped at .35 and the dyno pull smoothed out considerably! :cheers:

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