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spark plug choice?

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Old 03-29-2008, 08:27 AM
  #1  
1mustang
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Default spark plug choice?

hey everyone ...doing a tune up today on a bone stock 86 gt...was wondering what spark plugs everyone likes or dislikes...i heard that splitfires are bad....thanx...john
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Old 03-29-2008, 08:38 AM
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officer4c13
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Default RE: spark plug choice?

split fires don't do so good in our cars, i use autolite 145's its the hotter burning plug form them. in my Haynes Manuel it ses to use motorcraft.
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Old 03-29-2008, 09:30 AM
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w8less
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Default RE: spark plug choice?

autolite 25
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Old 03-29-2008, 09:40 AM
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stang8689
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Default RE: spark plug choice?

I use autolites
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Old 03-29-2008, 09:59 AM
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WhiteWindsor
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Default RE: spark plug choice?

ORIGINAL: Jasperstang308

autolite 25
Correct. Even with my trickflow's i use the copper autolite's, just a different model.
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Old 03-29-2008, 10:55 AM
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Mustangkiler
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Default RE: spark plug choice?

Ya trickflows use a 3924 which is a gasketed spark plug, my preference and all we sell for race engines at my work is ngk v powers mostly tr5's
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Old 03-29-2008, 11:07 AM
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bighungrymatt
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Default RE: spark plug choice?

autolites on stock
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Old 03-29-2008, 12:50 PM
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67mustang302
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Default RE: spark plug choice?

Autolite
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Old 03-29-2008, 01:12 PM
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Hollister Hoodlum
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Default RE: spark plug choice?

Autolites 25 are what im using
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