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05-02-2020, 01:46 AM | #1 |
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Location: Sierra Vista, AZ
Posts: 132
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NGK TR6 Iridium Spark Plugs
Does anyone have any experience with NGK TR6 Iridium spark plugs on Mach 1 with centrifugal blower setup?
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2004 Ford Mustang Mach 1 (DSG), Borla Stingers Catback, C&L CAI, SCT X4 Custom Tune, Black Chrome Rovos Durban Wheels (18x9 F, 18x10.5 R) on Nitto NT05s (275/35/18 F, 295/35/18 R), Pioneer AVH-4200NEX Receiver, MM C/C Plates, Rolled Rear Fenders, Eibach Sportlines/Struts/Shocks, Raxiom Smoked Taillights/Third Brake Light/LED Bulbs, Clear Headlights w/ Black Housing, Polished Aluminum Interior Accents, 30% Window Tint, Tinted Side Markers, Carbon Fiber Valve Stem Caps, Black Shorty Antenna |
05-02-2020, 02:46 PM | #2 |
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Re: NGK TR6 Iridium Spark Plugs
Yup. That's what I've been using since 2005.
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2004 Torch Red Procharged Mach 1 |
05-02-2020, 05:02 PM | #3 |
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Location: Worcester, MA
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Re: NGK TR6 Iridium Spark Plugs
When I was doing my research it seemed to be the most common plug for supercharged setups. I bought a set when I supercharged mine...I have very little drive time on them but no problems so far.
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05-02-2020, 06:35 PM | #4 |
Can't be bridled
Join Date: Sep 2007
Location: Texas
Posts: 7,005
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Re: NGK TR6 Iridium Spark Plugs
The advantage iridium has is longevity. Copper conducts better and costs less.
Since supercharged cars are harder on plugs and are better off being monitored and replaced more often anyways, I prefer the 4177 since they're cheaper and conduct better. But you should ultimately use the plugs and gap setting your tuner suggests.
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2004 Mach 1 #6956 5spd w/IUP Eaton swap, longtubes, built 3.73 SRA 452hp/409tq dynojet🏁 |
05-03-2020, 01:22 AM | #5 |
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Re: NGK TR6 Iridium Spark Plugs
Heard nothing but good things about NGK TR6 Iridium spark plugs on boosted applications. The copper ones may conduct better and cost less, but you're changing them more often so it ends up costing pretty much the same price in the long run.
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2004 Ford Mustang Mach 1 (DSG), Borla Stingers Catback, C&L CAI, SCT X4 Custom Tune, Black Chrome Rovos Durban Wheels (18x9 F, 18x10.5 R) on Nitto NT05s (275/35/18 F, 295/35/18 R), Pioneer AVH-4200NEX Receiver, MM C/C Plates, Rolled Rear Fenders, Eibach Sportlines/Struts/Shocks, Raxiom Smoked Taillights/Third Brake Light/LED Bulbs, Clear Headlights w/ Black Housing, Polished Aluminum Interior Accents, 30% Window Tint, Tinted Side Markers, Carbon Fiber Valve Stem Caps, Black Shorty Antenna |
05-03-2020, 02:01 AM | #6 |
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Join Date: Sep 2007
Location: Texas
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Re: NGK TR6 Iridium Spark Plugs
True the price may even out, but then the copper will still conduct better and be at an overall advantage imo. But again I'd run what the tuner likes.
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2004 Mach 1 #6956 5spd w/IUP Eaton swap, longtubes, built 3.73 SRA 452hp/409tq dynojet🏁 |
05-03-2020, 08:56 AM | #7 |
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Join Date: Apr 2011
Location: Burlington, NC
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Re: NGK TR6 Iridium Spark Plugs
TR6 are the gold standard for mildly boosted applications. Any tuner worth their salt will suggest them. Gap for them is usually around .032" - .035" for 93 and .025" - .030" for E85.
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05-04-2020, 09:01 AM | #8 | |
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Join Date: Nov 2003
Location: Orlando, FL
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Re: NGK TR6 Iridium Spark Plugs
Quote:
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03 dsg mach1 - MPR built 9.5:1 motor, D1, cams, ported intake, full exhaust, magnum t56, built rear, E85 etc... '12 F150 FX2 Supercrew with Ecoboost daily beater |
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05-04-2020, 02:57 PM | #9 | |
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Join Date: Sep 2007
Location: Texas
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Re: NGK TR6 Iridium Spark Plugs
Quote:
Good point. I forgot about those iridium tips being so tiny.
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2004 Mach 1 #6956 5spd w/IUP Eaton swap, longtubes, built 3.73 SRA 452hp/409tq dynojet🏁 |
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05-05-2020, 09:30 AM | #10 |
700 HP Mach
Join Date: Nov 2003
Location: Orlando, FL
Posts: 8,384
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Re: NGK TR6 Iridium Spark Plugs
you're supposed to use a different style gapping tool, the ones we all use pry against that tip, not supposed to do it with irridium as it can damage your expensive as plug. That whole thing about so strong its brittle.
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03 dsg mach1 - MPR built 9.5:1 motor, D1, cams, ported intake, full exhaust, magnum t56, built rear, E85 etc... '12 F150 FX2 Supercrew with Ecoboost daily beater |
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