LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Will these plugs work. Br7ef NGK

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Old Aug 20, 2016 | 05:06 AM
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Default Will these plugs work. Br7ef NGK

Bought these the other day going 2 steps colder they look different from the TR6 I usually run
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Old Aug 20, 2016 | 05:07 AM
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I got the plugs backwards from the boxes. The longer tip is the tr6
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Old Aug 20, 2016 | 06:13 AM
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from what I recall they are supposed to be a good nitrous plug
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Old Aug 20, 2016 | 06:45 AM
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i found some good info in the nitrous section on non projected tip plugs. Went ahead and pu them in. Thanks
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Old Aug 20, 2016 | 01:25 PM
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Those should work great on the nitrous. They might foul a little on you N/A though.
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Old Aug 20, 2016 | 08:56 PM
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Ill see what happens. a TRk projected tip has always been good. However I put the 250 shot pills in the other day and wanted to go a step colder
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Old Aug 22, 2016 | 07:23 AM
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The BR7EF non-projected tip is definitely a step in the right direction, as opposed to the TR6, for a sizeable nitrous shot. I think it would be a downright mistake to run a projected tip with a 250 shot.
What's your total crank hp including the 250 shot? I have to assume it's over 700, in which case you might even consider another step colder plug.
I ran BR7EF's with just a 100 shot on mine, and they seemed perfect. My total hp was only ~650. I ran them without nitrous also, although almost no street use, and they didn't foul.
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Old Aug 22, 2016 | 09:40 AM
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Originally Posted by bowtienut
The BR7EF non-projected tip is definitely a step in the right direction, as opposed to the TR6, for a sizeable nitrous shot. I think it would be a downright mistake to run a projected tip with a 250 shot.
What's your total crank hp including the 250 shot? I have to assume it's over 700, in which case you might even consider another step colder plug.
I ran BR7EF's with just a 100 shot on mine, and they seemed perfect. My total hp was only ~650. I ran them without nitrous also, although almost no street use, and they didn't foul.

^^ Take his advise.
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Old Aug 22, 2016 | 06:51 PM
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Never had it on a dyno, Im guessing a modest 475 crank HP. Ill try these a round and go 3 steps next time. Dont really planning on going any more than a 250, But the day may come I do. Thanks for the info
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