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nitrous spark plugs?

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Old 05-01-2012, 08:58 PM   #1
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hello does anyone know what heat range plugs on a ls1 for nitrous 100-150shot?
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Old 05-02-2012, 12:19 AM   #2
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BR7EF which is ngk#3346.
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Old 05-02-2012, 09:50 AM   #3
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do you know the heat range?
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Old 05-02-2012, 09:54 AM   #4
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BR7EF is a 7 heat range which the number 7 in the part description tells you.
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Old 05-02-2012, 01:26 PM   #5
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i think they are 2 heat ranges colder than stock
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Old 05-02-2012, 01:30 PM   #6
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Run a BR7EF like already mentioned. It is a non-projected plug which is suitable for nitrous/boost. Remember OP when in doubt run the colder plug.
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Old 05-02-2012, 01:58 PM   #7
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Ngk tr-6
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Old 05-02-2012, 03:43 PM   #8
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I ran a tr6 and went a full tenth slower. Ngk recommends one heat range colder for every 75hp of nitrous added. So with that being said. A 100 shot needs 2 ranges colder. Which is a 7 plug and a non projected tip.
I would Not recommend a tr6. It's to hot and will cause detonation.
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Old 05-02-2012, 07:35 PM   #9
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Quote:
Originally Posted by need2speed94 View Post
Ngk tr-6
Although I love and agree with your signature 100% I don't agree with that plug selection.

BR7EF
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Old 05-03-2012, 10:10 AM   #10
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BR7ef 3346's is where you need to be. As long as you haven't changed compression.
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Old 05-03-2012, 01:17 PM   #11
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I'm running TR6 plugs.. I'm changing to ngk#3346... Is the plug gap still .038???
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Old 05-03-2012, 06:12 PM   #12
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Gap the 7's [ Stk# 3346 ] around 33-35
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Old 05-04-2012, 01:07 PM   #13
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Thanks Chris
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