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what spark plugs to run on a 383

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Old 08-07-2012, 08:11 PM   #1
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Default what spark plugs to run on a 383

just wondering what plug brand you guys use? 383 stroker, 11.1:1 compression with a 150 shot. i know to go atleast 1 step colder maybe 2. i was thing ac delco, champion or ngk? what do you guys think?
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Old 08-08-2012, 07:16 AM   #2
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NGK, the Jap's do make something really good.
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Old 08-09-2012, 12:28 AM   #3
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haha that whats in my ls1 too. ngk plugs not japs
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Old 09-07-2012, 12:32 AM   #4
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Quote:
Originally Posted by GiggleJuiced_SS View Post
just wondering what plug brand you guys use? 383 stroker, 11.1:1 compression with a 150 shot. i know to go atleast 1 step colder maybe 2. i was thing ac delco, champion or ngk? what do you guys think?
With the added compression alone will require a colder plug. You will need to read the plugs to go from there.

A non projected plug is best for nitrous.
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Old 09-14-2012, 10:12 PM   #5
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NGK's -8 #R56671A-8

or NGK-4554
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