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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

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Old 12-06-2008, 09:22 AM   #1  
kevman41635
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Default Spark Plugs

This is my setup right know.
Fresh stock bottom end rebuild
Steeda 19 cam
Gt40 intake
This is a link to the Heads that i have in the car
http://cgi.ebay.com/ebaymotors/SBF-F...spagenameZWDVW
Can you please tell me what plug you think would be best for this combo.
I am having a hard time find a long shank plug that would be good for it with these heads.
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Old 12-06-2008, 09:52 AM   #2  
87Stallion
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Have you tried Autolite 104's?
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Old 12-06-2008, 10:14 AM   #3  
kevman41635
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nope not yet i have just been trying to find one to fit my head wear it has to have the longer shank it go into the combustion chamber.
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Old 12-06-2008, 12:26 PM   #4  
Portmaster
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Autolite AR3934 for starters
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Old 12-06-2008, 01:11 PM   #5  
kevman41635
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what did you mean for starters. Just try that plug and see how well it works?
Thanks
Kevin
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Old 12-06-2008, 01:45 PM   #6  
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Quote:
Originally Posted by kevman41635 View Post
what did you mean for starters. Just try that plug and see how well it works?
Thanks
Kevin
You will have to experiment with heat ranges to get the exact combo. There is no one plug thats a "One size fits all" It has a gasket seat and .750 reach and is where I would start. On heads like that it's always my starting point and sometimes the final point.
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