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Cobra Forums
The Terminator
Engine/Tuning
New Spark plugs when installing Pulley?
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<blockquote data-quote="Chonger" data-source="post: 1236471" data-attributes="member: 11123"><p>Plugs on the Cobra were:</p><p></p><p>AGSF12 FM1</p><p>AGSF22 FM1</p><p>ASGF32 FM1</p><p></p><p>The lower the number the colder the plug. I think the first run Cobra's had the 12's and Ford replaced them with a hotter plug. Mine is a 3rd run YDH1 and came with the 22's. I replaced them with the NGK TR6 plugs. </p><p></p><p>If you have the AGSF12 FM1 that is plenty cold for a pulley'd Cobra. Anything else you may want to look into a colder plug.</p></blockquote><p></p>
[QUOTE="Chonger, post: 1236471, member: 11123"] Plugs on the Cobra were: AGSF12 FM1 AGSF22 FM1 ASGF32 FM1 The lower the number the colder the plug. I think the first run Cobra's had the 12's and Ford replaced them with a hotter plug. Mine is a 3rd run YDH1 and came with the 22's. I replaced them with the NGK TR6 plugs. If you have the AGSF12 FM1 that is plenty cold for a pulley'd Cobra. Anything else you may want to look into a colder plug. [/QUOTE]
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New Spark plugs when installing Pulley?
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