Whats The Best Spark Plugs For Nos?? - LS1TECH - Camaro and Firebird Forum Discussion



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Whats The Best Spark Plugs For Nos??

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Old 04-13-2008, 06:32 AM   #1
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Default Whats The Best Spark Plugs For Nos??

HI ALL, JUST WANT TO KNOW THE BEST PLUGS TO USE FOR NITROUS? ITS A LS1 427 WITH DART HEADS, WILSON NOS KIT RUNNING 300HP. I AM CURRENTLY USING NGK R5671a-9, BUT THEY ARE ONLY LASTING ABOUT 5 PASSES. THE BEST ITS GONE IS 8.87 @ 160 MPH. THANKS.

Last edited by TUFSS3; 04-14-2008 at 11:57 PM.
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Old 04-13-2008, 06:45 PM   #2
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Old 04-13-2008, 07:46 PM   #3
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Is your caps lock button broken???
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Old 04-14-2008, 08:15 AM   #4
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please for the love of god dont call it nos, it is nitrous unless its the N.O.S. (nitrous oxide systems) brand even then its pronounced N-O-S.
And not to be a dick but you have a mid-high 8 sec car and you dont know what plugs to use?
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Old 04-14-2008, 09:06 AM   #5
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Read through the sticky the master nitrous faq ........What compression is your motor?

Maybe some of the nitrous gurus will chime in for you even though you called it naaws..jk
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Old 04-14-2008, 09:07 AM   #6
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Ngk R5671a-10

What happens to them after 5 passes?
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Old 04-14-2008, 11:39 PM   #7
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Sorry but over here everyone calls it nos, Ok nitrous. It runs 12:1 compression, Running on c16. It starts to miss and carry on then put new spark plugs in it and its fine.
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Old 04-15-2008, 08:47 AM   #8
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Old 04-17-2008, 02:40 AM   #9
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Quote:
Originally Posted by TUFSS3 View Post
Sorry but over here everyone calls it nos, Ok nitrous. It runs 12:1 compression, Running on c16. It starts to miss and carry on then put new spark plugs in it and its fine.
Hi Tim - I have been speaking to Phonsey about this too - give him a call and he will sort you out or have a read of this - https://ls1tech.com/forums/nitrous-oxide/846230-everything-nitrous-related-stock-bottom-end-all.html about half way down the page.

Your car looked awesome on the weekend by the way.
Watch out though - I'm only 20MPH behind you now.
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Old 04-18-2008, 03:17 AM   #10
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Quote:
Originally Posted by STATIE View Post
Hi Tim - I have been speaking to Phonsey about this too - give him a call and he will sort you out or have a read of this - https://ls1tech.com/forums/nitrous-oxide/846230-everything-nitrous-related-stock-bottom-end-all.html about half way down the page.

Your car looked awesome on the weekend by the way.
Watch out though - I'm only 20MPH behind you now.
Thanks Statie, I might have to give him a call.
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Old 05-28-2008, 12:25 AM   #11
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I would go NGK TR6. Perfect plug for boost, or spray. Nice cold plug to keep from overheating and you can get em for less than 2 bucks a piece. Pretty much pre-gapped.
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Old 05-28-2008, 12:35 AM   #12
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Quote:
Originally Posted by TexasSignature2002 View Post
I would go NGK TR6. Perfect plug for boost, or spray. Nice cold plug to keep from overheating and you can get em for less than 2 bucks a piece. Pretty much pre-gapped.
Yup, I had bought some tr8's and after talking to more people and thinking of it more I returned them for a few sets of tr6's. They work and are cheap, change em once a season and give her ****
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Old 05-28-2008, 12:51 AM   #13
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I think for a 300 shot you're going to need something a little colder than a tr6...
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Old 05-28-2008, 07:27 AM   #14
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I use NGK 11's for anything over 300 shot.
Doesnt mean I'm right but thats what I use.
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Old 05-28-2008, 08:01 AM   #15
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You idiots that are telling someone thats running a 300 shot to run TR-6's need to shut the **** up. Your bad information will cause someone to damage there engine.
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Old 05-28-2008, 08:19 AM   #16
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Quote:
Originally Posted by koolrayz View Post
You idiots that are telling someone thats running a 300 shot to run TR-6's need to shut the **** up. Your bad information will cause someone to damage there engine.
LOL... yeah I would not use tr6 for a 300 shot... That will not have good results.
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Old 05-28-2008, 08:20 AM   #17
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here you go.
if you search youwill find this, but I posted in here for ya.

Nitrous (one step colder)
Heat Range: 6
Gap: .035 - .038
Plug: NGK TR6 (stock number 4177); NGK TR6IX (stock number 3689); Motorcraft AWSF-22C (copper); Autolite 103; Denso IT-20 (stock number 5326)

Nitrous (two steps colder)
Heat Range: 7
Gap: Consult
Plug: NGK BR7EF (stock number 3346); NGK TR7IX (stock number 3690); Motorcraft AWSFA-12C (copper); Autolite AR94; Denso IT-22 (stock number 5327)

Nitrous (two and a half steps colder)
Heat Range: 8
Gap: Consult
Plug: NGK R5724-8 (stock number 7317); NGK TR8IX (part number 3691); Denso IT-24 (stock number 5328)

Nitrous (three steps colder)
Heat Range: 9
Gap: Consult
Plug: NGK R5724-9 (stock number 7891); Autolite AR93; Denso IT-27

Nitrous (four steps colder)
Heat Range: 10
Gap: Consult
Plug: NGK R5724-10 (stock number 7993); Autolite AR92

Last edited by quickblade; 05-28-2008 at 09:49 AM.
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Old 05-28-2008, 08:49 AM   #18
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11's ...
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Old 05-28-2008, 08:32 PM   #19
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10's or 11's would be fine. We've used 10's up to around 400 hp of nitrous.We have also used autolite ar3932's but they are harder to read.
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Old 05-29-2008, 08:25 AM   #20
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Quote:
Originally Posted by koolrayz View Post
You idiots that are telling someone thats running a 300 shot to run TR-6's need to shut the **** up. Your bad information will cause someone to damage there engine.


Do a search..... TR6 and 300 shot..... and see what comes up


Good advice above!
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