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Old 02-16-2003, 04:45 AM   #1
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Default Plugs for nitrous?

Copper is my best bet from what I've listened to people say. What brands would anyone recommend for a dry zex system? (Please don't say AC Delco! )
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Old 02-16-2003, 04:57 AM   #2
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try ngk but when you intend to use it, get atleast 2 heat ranges colder than what stock is to be. if you dont, you will detonate and cause the ground strap to melt off at min. damage.
the best way to select a heat range is to be too cold at first. make a run and then pull the plugs. get a mag. glass and look closely at the porcilin around the electrode.
if you see ANY peppering there(little black specks on it) go colder. this is the first sign of detonation.
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Old 02-16-2003, 01:07 PM   #3
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on my Venom System i`m running NGK`* they are two heats colder than the stock ones i ran before the rebuild
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Old 02-16-2003, 01:08 PM   #4
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Hey Turtle! NGK NOW builds Plugs FOR GM AC Delco! LOL
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Old 02-16-2003, 01:40 PM   #5
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please just remember,, read your plugs after a nitrous run. if any peppering on them, go colder
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Old 02-16-2003, 03:55 PM   #6
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Ok, today I'm going to take out these Splitfires (dont ask why I got them) and put in my NGK V-Powers in (TR55). I'm not sure if these are 2 or 1 range cooler. But I put these in, order some nitrous within a week or so (really depends on other issue, not money) and see how they hold up.

What are the heat ranges for NGK anyway?
V-Power - 1 heat range
Platinum - 2 heat ranges
Iridium - 3?
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Old 02-16-2003, 03:59 PM   #7
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ok, with ac plugs, the lower the number the cooler the plug is. this is just to oposite with NGK. the higher the number , the cooler the plug. each material has its own numbers for heat ranges.
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Old 02-16-2003, 07:29 PM   #8
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Put the NGK V-Powers back in...wow, no contest against the old Splitfires.
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Old 02-16-2003, 07:54 PM   #9
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Quote:
Originally Posted by Allmachtige
Put the NGK V-Powers back in...wow, no contest against the old Splitfires.
Ditto. The V-Power is a vastly superior plug.
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Old 02-16-2003, 08:45 PM   #10
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definitly a good choice for nitrous, at least till you get the heat ranges figured out
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