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GT40 Spark plug questions, long or short?
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[QUOTE]Originally posted by SnakeBit: [QB] Hey I know this question has been asked a million times. And if you google it you'll find almost as many opinions/answers. This is for a 95 Cobra. So the the stock MotorCraft Plug is AWSF-32C (Short thread). Then I read that they changed their part #'s and SP-447 replaces both AWSF-32C (Short thread) & also AGSF-32C (long thread) [URL=http://www.autozone.com/autozone/parts/Motorcraft-Copper-Spark-Plug/1995-Ford-Mustang-Cobra/_/N-j50h5Z8gctd?counter=21&filterByKeyWord=spark+plug&fromString=search&itemIdentifier=534650_0_0_]http://www.autozone.com/autozone/parts/Motorcraft-Copper-Spark-Plug/1995-Ford-Mustang-Cobra/_/N-j50h5Z8gctd?counter=21&filterByKeyWord=spark+plug&fromString=search&itemIdentifier=5 34650_0_0_[/URL] I know that a lot of people also use Autolite 764's (short thread) [URL=http://www.autozone.com/autozone/parts/Autolite-Platinum-Spark-Plug/1995-Ford-Mustang-Cobra/_/N-j50h5Z8gctd?counter=7&filterByKeyWord=spark+plug&fromString=search&itemIdentifier=117698_8915_0_]http://www.autozone.com/autozone/parts/Autolite-Platinum-Spark-Plug/1995-Ford-Mustang-Cobra/_/N-j50h5Z8gctd?counter=7&filterByKeyWord=spark+plug&fromString=search&itemIdentifier=11 7698_8915_0_[/URL] *Is there any difference in performance with the plug being closer to the piston, Short vs long thread? *I have always set the gap @ .052, I have a MSD 6A and Coil, Should I open the gap a bit? Thanks [/QB][/QUOTE]
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SnakeBit
Member # 8871
posted
Hey I know this question has been asked a million times. And if you google it you'll find almost as many opinions/answers. This is for a 95 Cobra.
So the the stock MotorCraft Plug is AWSF-32C (Short thread).
Then I read that they changed their part #'s and SP-447 replaces both AWSF-32C (Short thread) & also AGSF-32C (long thread)
http://www.autozone.com/autozone/parts/Motorcraft-Copper-Spark-Plug/1995-Ford-Mustang-Cobra/_/N-j50h5Z8gctd?counter=21&filterByKeyWord=spark+plug&fromString=search&itemIdentifier=5 34650_0_0_
I know that a lot of people also use Autolite 764's (short thread)
http://www.autozone.com/autozone/parts/Autolite-Platinum-Spark-Plug/1995-Ford-Mustang-Cobra/_/N-j50h5Z8gctd?counter=7&filterByKeyWord=spark+plug&fromString=search&itemIdentifier=11 7698_8915_0_
*Is there any difference in performance with the plug being closer to the piston, Short vs long thread?
*I have always set the gap @ .052, I have a MSD 6A and Coil, Should I open the gap a bit?
Thanks
JohnB
Member # 969
posted
There actually is no difference in the plugs, it's the same shoulder seat. Same length.
And call me when you get a chance!
SnakeBit
Member # 8871
posted
ahh so I can go with either 1. Cool
Yeah I'll give you a call today John.
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