what spark plug to use?

dartthower

Founding Member
Oct 14, 2001
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b'ham alabama
i used the search function,but didnt find what i needed.i have a 351w stroked to 393ci.VERY mild cam(sorry dont know what lift or duration) stock ported and polished heads,9.5-1 comp.roller lifters roller tipped rockers.fpa headers 21/2 pipes with magna flows. what do you guys think would be the best make and temp. range of plug i should use?
 
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dartthower said:
i used the search function,but didnt find what i needed.i have a 351w stroked to 393ci.VERY mild cam(sorry dont know what lift or duration) stock ported and polished heads,9.5-1 comp.roller lifters roller tipped rockers.fpa headers 21/2 pipes with magna flows. what do you guys think would be the best make and temp. range of plug i should use?

You are going to have to play with the plugs a bit. Start with the plug that is specified for the 351 and then work colder or hotter depending on what the plugs look like after inspection.

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