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Founding Member
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Posts: 64
Join Date: March 2002
Location: Tucson, Arizona
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What are the best Plugs to use w/ nitrous -
10-08-02, 05:59 PM
I am currently using NX wet kit on my 2001 GT and running the stock motorsport platinum plugs. I have been told to switch to copper or irridium plugs with the nitrous, but am not sure which to use. i bought some cheap bosch copper plugs (.79 cents each!) but havent put them in because im afraid I will lose some performance. i was interested in the denso or NGK irriduim plugs but they run like 12 bucks each! i wouldn't really mind spending the 200 bucks on those plugs if i knew that they would last for a while, but im afraid that i will have to replace them after 30,000 miles or so. Im basically trying to find the best performance that is the most cost effective for my application.. any help is really appeciated.
Engine:
BBK Underdrive Pulleys,BBK Throttle Body,MAC Cold Air Induction,Bassani X Pipe,.5 inch intake manifold spacer,Magnaflow Cat Back,Steeda Tri Ax Shifter,Denso Iridium Plugs,Nitrous express 150hp Kit
NX Purge Kit NX Bottle Heater,NX remote bottle opener,Auto meter Nitrous Pressure Gauge,Auto meter water temp Gauge,2000 GT convertible a Pillar Covers,
Suspension:
Eibach Springs,MAC Caster/Camber Plates,Steeda G-Track upper control arms,Steeda G-Track Lower control arms,Maximum Motorsports subframe connectors,
Drivetrain:
3.73 Gears,Hays Dual Disk-Dual Friction Clutch,Nitto 555 drag radials,
Appearance
Saleen Light Bar,Razzi R20 Body Kit,Ground Designs 2000 COBRA Front Air Dam,Steeda Pedals,All Billet Interior dress up,Sparco Torino Seats
Stereo:
3 MTX Thunder 10" Subs,MTX Thunder 800w amp,Monster Audio Capacitor,Starvision 5in LCD Screen,Playstation 2 
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Founding Member
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Posts: 96
Join Date: May 2002
Location: Decatur,IL
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10-08-02, 06:45 PM
ummm 200?
how does 12x8 add to 200?
but anyway I would stay away from the rare earth metals like iridium
I would go Autolit 24's or 23's gapped at .036-.038
85 Mustang GT 5spd
Edelbrock Carb 600cfm, Performer RPM intake, hurst shifter, BBK shorties, Xpipe, flows, 8.8 Rearend w/3.73's, N.O.S. PowerShot, BFG Drag Radials, Mallory Highfire Ignition, Holley Blue pump, 15* timing, & a MONSTER TACH
Dyno #'s 202.8rwhp 255rwtq N/A
New times and dyno numbers soon
99 GTP 9.02@78 in 1/8.......w/stuff
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Will kiss Moderator ass for title
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Posts: 2,996
Join Date: September 2000
Location: WNC
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10-09-02, 04:50 PM
Autolite 23's will not work in the new 4.6 heads. But definately get rid of the platinum plugs since they will hold on heat which can lead to detonation and a new motor. Get some regular autolite 763's and close the gap to .035. Just be careful because a buddy of mine destroyed the #6 rod in his wifes car with a 125 shot while it was on the dyno. Did make some impressive numbers before she blew thought.
1995 Mustang GT
1 of 155 with white exterior and red interior
Current Mods:DSS Long Rod 306, Ported Holley Systemax Heads, Performer RPM intake, Lunati Cam, Scorpion 1.6 rockers, BBK/Edelbrock 70MM Throttle Body, 75mm PRO-M MAF, True Flow Inlet Pipe, March Underdrive Pullies, Aeromotive Adj. Regulator, Motorsport 24# Injectors, BBK 1 5/8 longtubes, BBK H-Pipe, Dynomax Ultra-Flo welded Cat-back, Stock T-5, Zoom Kevlar Clutch, Hurst Billet Plus Shifter, Richmond 3.73's. 7000 rpm's of fun!!!!
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Founding Member
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Posts: 144
Join Date: March 2001
Location: West Palm Beach, Florida
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10-09-02, 06:43 PM
I'm running NGK TR6 plugs gapped at .035 with a 140 wet shot and no problems. Do not stay with platnum plugs!
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Official Member
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Posts: 943
Join Date: April 2004
Location: Westchester, NY
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06-10-04, 11:40 AM
dont be cheap. go buy the denso iridiums. they are worth it
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Official Member
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Posts: 943
Join Date: April 2004
Location: Westchester, NY
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06-10-04, 11:40 AM
dont be cheap. go buy the denso iridiums. they are worth it
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Member
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Posts: 36
Join Date: November 2003
Location: NW Indiana
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06-10-04, 12:39 PM
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GoldMember
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Posts: 2,380
Join Date: July 2002
Location: Montreal , Quebec !
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06-10-04, 02:16 PM
I'm running a 125 wet shot and the plugs I'm using are : NGK Spark plugs BR7EF (.035") almost 2 years now and I went through 2 set and they work perfectly , don't use any platinum or fine point with nitrous... 
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Official Member
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Posts: 353
Join Date: February 2003
Location: Danville,VA. USA
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06-10-04, 07:46 PM
An $18 set of Autolite 103's are all you need...........
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Founding Member
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Posts: 1,525
Join Date: March 2002
Location: Lake Mary, Florida
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06-14-04, 01:27 AM
150 wet kit + autolite 23's = fouled plugs.
I'd stick with the NGK's...I've had much better luck with them.
1993 Mystic Pearl Black GT Conv.
-Modifcations are listed HERE-
Best ET motor: 12.98 at 105 MPH (1.8 60')
Best ET spray: 12.99 at 110 MPH (2.0 60', 75 shot, street tires)
Best ET turbo: 12.89 at 130 MPH (2.5 60', 14psi)
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Member
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Posts: 32
Join Date: July 2002
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06-14-04, 11:40 PM
DO NOT USE THOSE PLUGS IN YOUR CAR WHILE SPRAYING. NGK Tr6's are cheap and get the job done right, and are gapped at .035 which is perfect for your ride.
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Official Member
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Posts: 353
Join Date: February 2003
Location: Danville,VA. USA
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06-15-04, 05:26 AM
Quote:
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Originally Posted by sk8erdude18
DO NOT USE THOSE PLUGS IN YOUR CAR WHILE SPRAYING. NGK Tr6's are cheap and get the job done right, and are gapped at .035 which is perfect for your ride.
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Which plugs ???
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Official Member
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Posts: 2,522
Join Date: December 2003
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06-15-04, 11:47 AM
ngk TR6s are ok for 100 shot and under , anything more , I would recommend the autolite 103 or ngk BR7EF , gap any of them at .035
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Member
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Posts: 32
Join Date: July 2002
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06-15-04, 05:20 PM
oooooooooo my bad, disregard my last post. I didn't see your sig. 150 shot, damn, yeah NGK TR6's won't work over 100. Go with what the other guys recommend.
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