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Author
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Topic: What's the best Spark plugs for a 5.0 with a blower?
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BLoWN FR500
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Member # 8766
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posted
 
 
It's for a 92 5.0, I have a vortech supercharger on my car and I wanted to now what step I am suppose to get for the spark plugs. I heard it's two steps lower than stock but kragens couldn't search what two steps lower would be. So if anyone know I'll appreciate it if they can help me out! Thanks
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92 Fobra Supercharged - Stolen
89 Turbod Fobra - Sold
90 Lx - Sold
86 Lx - Sold
96 Cobra
I Stay Charged Like The Energizer Bunny
Posts: 1226 | From: San Leandro | Registered: Nov 2008
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JohnB
Tech Moderator
Member # 969
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posted
What cylinder head?
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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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CobramanPhil
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Member # 2170
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posted
I'd be more worried about spark gap then spark plug heat. Colder plugs will help for sure, but I don't see it where you have to go two ranges colder then stock (perhaps just one, but the stock plugs for whatever heads you have should be good..especially on the older 5.0.
Posts: 1016 | From: California, Bay Area | Registered: Dec 2002
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quickblue302
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Member # 7912
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posted
One step colder than stock, id go with Denso U groove, set gap to .035" and you be ready to rock n roll! ![[patriot]](graemlins/patriot.gif)
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Eat rice it's good for you!
Posts: 624 | From: sac | Registered: Sep 2007
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BLoWN FR500
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Member # 8766
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posted
i have stock ported heads for now but trickflow twisted wedges are goin on there inna lil. but i already have them gapped at .35 already. so i guess jus get one step colder. any rec. on which brand of spark plugs?
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92 Fobra Supercharged - Stolen
89 Turbod Fobra - Sold
90 Lx - Sold
86 Lx - Sold
96 Cobra
I Stay Charged Like The Energizer Bunny
Posts: 1226 | From: San Leandro | Registered: Nov 2008
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CHP2981
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Member # 9240
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posted
Stock plugs are Autolites 25s so one heat range colder would be 24s
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No half steppin
Posts: 521 | From: Richmond | Registered: Jun 2009
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BLoWN FR500
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Member # 8766
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posted
Thanks guys ![[BS flag]](graemlins/bs_flag.gif)
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92 Fobra Supercharged - Stolen
89 Turbod Fobra - Sold
90 Lx - Sold
86 Lx - Sold
96 Cobra
I Stay Charged Like The Energizer Bunny
Posts: 1226 | From: San Leandro | Registered: Nov 2008
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SmokinLX
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Member # 1684
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posted
quote:
Originally posted by BLoWN FR500:
Thanks guys
CHP2981 gave You all the info You need ![[Razz]](tongue.gif) !
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Dont claim power if ya cant mile per hour. 10 second AOD
Posts: 4388 | From: East Bay | Registered: Aug 2002
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