Thread: Which Spark Plug
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Old 01-30-2023, 09:05 AM
  #21  
annamarks
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Originally Posted by bowtie4542001 View Post
Hey guys, I am needing some advice on selecting a spark plug. I have a 421 SBC on alcohol. The compression is 14:1 I have a MSD 7AL-2 with a baster coil to provide the spark. Not too familiar with alcohol. What plugs would yall recommend. Any help or advice would be greatly appreciated.

Chris
witch way sould they be facing ?
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