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What spark plugs should i run in my d1 ls2

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Old 01-31-2012, 09:38 PM
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Default What spark plugs should i run in my d1 ls2

Im running a d1 procharger and have -11 cc wiseco pistons and ported 317s. Im also running a 3.4 pulley so 15-18 psi and intercooled. What spark plug should i run? I would like a reliable set.
Old 02-01-2012, 10:41 AM
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NGKTR6 pn# 4177 gapped at .032. Bob
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Old 02-01-2012, 11:33 AM
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Originally Posted by Bob@BruteSpeed
NGKTR6 pn# 4177 gapped at .032. Bob
+1 I'm not familiar with their part numbers, but you can go TR6 or TR6IX and they should last longer
Old 02-01-2012, 05:03 PM
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Why not try a Br6?
Old 02-01-2012, 06:07 PM
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Originally Posted by Bob@BruteSpeed
NGKTR6 pn# 4177 gapped at .032. Bob
+1 some interesting here:

http://pcmforless.com/index.php?opti...ning&Itemid=56
Old 02-01-2012, 06:31 PM
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with that much pressure wouldn't going with a br7 be better? Thats what I run and I'm just shy of 13psi on pump. I guess turbo's do generate a bit more heat than a super
Old 02-01-2012, 06:35 PM
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I was running tr6 at 22psi of boost and 23 degs of timing with no problem, I do spray straight meth into the charge pipe. so iat where fairly low
Old 02-02-2012, 08:30 AM
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whats a br6...looking this up now.
Old 02-02-2012, 11:20 AM
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Originally Posted by ZL1Killa
whats a br6...looking this up now.
NGK 3177

I ran a BR7 on the bottle and the heat range was about perfect. When i went to blower i switched to the BR6 and it pretty spot on.

I just prefer for boost or n2o apps a NON projected tip plug.



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