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Author
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Topic: best plugs for the cobra?
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N8
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Member # 6048
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posted
 
 
bone stock 1994 cobra. I just got my JBA wires (9mm) in the mail. Now I need to pair them up with some top shelf plugs. Which would ya'll prescribe?
Posts: 11638 | Registered: Sep 2005
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JohnB
Tech Moderator
Member # 969
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posted
Autolite platinums...pretty sure the number is 764.
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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N8
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Member # 6048
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posted
quote:
Originally posted by JohnB:
Autolite platinums...pretty sure the number is 764.
Thanks sir, if I may ask what is next on the totem pole? Just in case those are out of stock
Posts: 11638 | Registered: Sep 2005
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SacStangDriver
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Member # 8304
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posted
i like the ngk tr6 plugs
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Need sidework done at great prices? I work on all makes and models from engine work to gears. Check engine light problems too. 916 912 3493
Posts: 1217 | From: sacramento | Registered: Mar 2008
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Yellow94GT
Mr. 60 FT
Member # 431
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posted
quote:
Originally posted by SacStangDriver:
i like the ngk tr6 plugs
1994 is not a tapered seat style plug so the TR6 will not work.
You can't go wrong with the cheap ass Autolite 3924. My combo was among the top in the nation for similar combos running these plugs. ![[burnout]](graemlins/burnout.gif)
FWIW, I saw no power gain from platinum plugs and switched back to the cheapo plugs. ![[Wink]](wink.gif)
[ September 05, 2009, 04:20 AM: Message edited by: Yellow94GT ]
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AED
1994 GT Bucket that will likely never run
1999 SLOLEEN Twin Turbo Coyote
2008 F250 580 RWHP 1129 RWTQ
Posts: 5990 | From: Cameron Park, Ca | Registered: Sep 2001
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N8
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Member # 6048
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posted
quote:
Originally posted by Yellow94GT:
quote:
Originally posted by SacStangDriver:
i like the ngk tr6 plugs
1994 is not a tapered seat style plug so the TR6 will not work.
You can't go wrong with the cheap ass Autolite 3924. My combo was among the top in the nation for similar combos running these plugs.
FWIW, I saw no power gain from platinum plugs and switched back to the cheapo plugs.
My cheap ass loves cheap...lol. This is music to my ears.
Posts: 11638 | Registered: Sep 2005
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EVLSONC
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Member # 6172
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posted
sorry to hijack, but saw this thread and got me thinking. what's the best spark plug for an 03 cobra. port & 2.76?
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03 Sonic Blue Cobra
Posts: 158 | From: Campbell | Registered: Nov 2005
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JohnB
Tech Moderator
Member # 969
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posted
A stock GT40 head is a tapered seat plug application, as were all stock 5.0 setups. Stock 5.0 HO's called for a plug such as a autolite 24 and the GT40 heads were 764's or even a 104 (only difference is the threaded portion...tapered seat is the same. A gasketed plug, such as a 3924, won't seal effectively. Platinums are for longevity (primarily)...we all know the performance gains are minimal.
As for the 03 Cobra..that's where the TR6 or a Autolite 103 would be used.
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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Yellow94GT
Mr. 60 FT
Member # 431
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posted
quote:
Originally posted by N8:
quote:
Originally posted by Yellow94GT:
quote:
Originally posted by SacStangDriver:
i like the ngk tr6 plugs
1994 is not a tapered seat style plug so the TR6 will not work.
You can't go wrong with the cheap ass Autolite 3924. My combo was among the top in the nation for similar combos running these plugs.
FWIW, I saw no power gain from platinum plugs and switched back to the cheapo plugs.
My cheap ass loves cheap...lol. This is music to my ears.
OMG, yesterday was a long day. I should not post so late at night....lol
As John just said, Autolite 24's would be what your looking for on a stock iron head setup if your not looking to spend platinum money. ![[patriot]](graemlins/patriot.gif)
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AED
1994 GT Bucket that will likely never run
1999 SLOLEEN Twin Turbo Coyote
2008 F250 580 RWHP 1129 RWTQ
Posts: 5990 | From: Cameron Park, Ca | Registered: Sep 2001
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N8
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Member # 6048
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posted
Thanks guys I went with the Platinums
Posts: 11638 | Registered: Sep 2005
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