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spark plugs?

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Old 04-10-2013, 09:06 PM   #1
EvilDzl's Avatar
Join Date: Jun 2012
Vehicle: 04,Ford,Mach 1
Location: Utah
Posts: 9
Default spark plugs?

Whats the best spark plug to use in my mach?
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2004 Ford Mustang Mach 1
BBK Ceramic Long Tube Headers, BBK Twin 65mm Throttle Body, K&N FIPK Cold Air Intake, High Flow Cats X Pipes Flowmaster Super 40s, 4.10s, Tuned By Premier Performance.

2000 Ford Power Stroke
WOP GQSSB Turbo, Terminator Dual HPOS, Strictly Diesel Fuel System, DP Tuner F8 Chip, WOP Stage II 200cc injectors, BTS Transmission, 4" Dual Exhaust, AFE Stage II intake. 536rwhp
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Old 04-11-2013, 03:31 AM   #2
Sonic Mustang
Join Date: Feb 2013
Vehicle: 2004 Mach 1
Location: USA
Posts: 545

Originally Posted by EvilDzl View Post
Whats the best spark plug to use in my mach?
When I had my Mach 1 tuned by Danny Swanson of Swanson Performance, he recommended NGK Stock Number 4177 TR6 (SKU 87295 04177). These are regular copper core plugs that are colder than the OEM plugs. A lot of FI guys run them and Danny recommends them for normal aspirated tuned motors, too.

I've been running them for 20,000+ miles with no complaints.
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Old 04-15-2013, 04:19 AM   #3
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Join Date: Apr 2013
Vehicle: '03 Mustang Mach 1
Location: Southern California
Posts: 20

I switch between ngk and motorcraft
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Old 04-15-2013, 04:19 AM
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