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Generation III Internal Engine
Plug recommendation

Generation III Internal Engine 1997-2006 LS1 | LS6

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Plug recommendation

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Old

Mar 12, 2008 | 10:54 AM

#1

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On The Tree

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From: Bethel, CT

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Plug recommendation

PRC 5.3 Stage 2.5 heads with 59 cc chambers go on 3/24.
I'm guessing NGK TR6s.

Old

Mar 12, 2008 | 11:12 AM

#2

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From: Watertown, NY

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TR6 will work fine.

Old

Mar 12, 2008 | 11:54 AM

#3

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From: HOT'LANA, GAWJA

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NGK TR55 will work been running them for a long time on some TEA 5.3 heads with 54cc chamber.

Old

May 28, 2008 | 11:14 PM

#4

Teching In

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ah, but which is better?

Old

May 29, 2008 | 12:18 AM

#5

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From: So Cal

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I have always used TR55's and will continue to do so. I have never had a plug problem using NGK's.

Old

May 29, 2008 | 06:09 AM

#6

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From: Your girl's back door giving her the long stroke while you're at work

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I ran TR6s when I ran those heads and a MS3

Old

May 29, 2008 | 08:39 AM

#7

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From: HOT'LANA, GAWJA

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Either plug will work ... you just have to read your plugs and see which one looks better...generally if you raise your compression the TR6 will be better...with stock compression the TR55 is the usual choice...

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Old

May 29, 2008 | 09:00 AM

#8

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From: ST Helens, OR

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I have them both tr55 and tr6 on sale wth MSD wires for 65 delivered right now

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Old

May 30, 2008 | 04:50 PM

#9

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From: rochester ny

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if you plan on spraying it I would run tr6's. I use those and I love them, if your going motor I have heard from alot of people that tr55's are the way to go

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53, ngk, plug, problems, recommendation, tr55

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