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Colder plugs, and n2o?? Posted By: 91_gta On: 01-03-2008 @ 00:12:04 Reply | Edit Im gonna be putting a n2o system in my car this winter. And I have heard to use colder plugs. How do I know what plugs are colder and not. Cause I have 8 brand new e3 plugs in my garage now. And i was wondering if e3's would work or not?? Also i need more info on the n2o swithes and stuff. Cause im gonna be running a remote bottle opener, bottle warmer, in the car and maybe a timing controller if needed. Can you help me out on all of this plz!! -- Also I was wondering how the n2o kit is injected into the car? Is it a t/b plate that is behind the t/b. Is that the best thing to use?? info on that would be great. --  [ Edited on 12/16/2006 @ 00:15:03 ] Posted By: 84SEBird On: 12-16-2006 @ 21:08:36 Reply | Top | Edit Depends on the nitrous system as to how it's injected. If it's a dry kit, they usually spray it into the intake tract and let the computer do the fuel enrichment. If it's a plate system, that is usually used on a carb setup and it bolts between the carb and manifold with spray bars or jets spraying in nitrous and additional fuel. Just gotta find out what system you are dealing with. I would avoid the e3 plugs on this setup. We had a guy at work call e3 directly and they said their stuff is for stock setups only, nothing forced induction or other high performance add-ons. As far as the plug temperature range. The nitrous kit should give you instructions on what to pick. If they say to go cooler by so many steps, than you contact the plug manufacturer or your local auto parts store and have them look up the code numbers in their spark plug book and tell you the correct part number for the cooler plugs. Some companies have the numbers going up with a cooler plug and some of them have the numbers going down in value with a cooler plug. No real standard here, just need to check with each company as to how they label their plugs. Remember that too much nitrous tends to break things. I would stick to 100 HP or below with a stock engine. Good luck! Brad -- Brad 1984 Firebird SE- cream-beige- the prestige color! 
1987 Corvette Posted By: mjsmikey On: 02-02-2007 @ 00:54:41 Reply | Top | Edit Spark plugs are heat exchangers. Basicly your looking to keep the head temp between 500 and 800 degrees. too hot and you get Pre-detonation, too low and you get fouled plugs and Carbon build up. Generally more flow means more Heat (IE: Blow on the Camp Fire), so changing to a cooler plug might be perfect... but you might want to check how hot NOS burn off is. ThermoDynamics is important in this type of application. Posted By: ScreaminEagle91 On: 02-02-2007 @ 14:31:17 Reply | Top | Edit If I was gonna go put the bottle to my motor, id use AC Delco Rapidfire plugs. delco is what your motor ran with factory, and they are to only factory thing that was actually reliable -- 
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