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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

Spark Plug Inserts

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Old Apr 9, 2026 | 01:23 PM
  #16  
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8pack
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Can Edelbrock help?
 
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Old Apr 9, 2026 | 04:23 PM
  #17  
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Originally Posted by 8pack
Can Edelbrock help?
I think I finally have something. Went on good 'ol Amazon . E Z Lok inserts, they actually list the I.D., the O.D., and the length .The O.D.is Metric, 18mm, so I ordered the Tap/Reamer also.... The Metric threads I have to cut will be slightly bigger than the 5/8"18 already there. If I'm feeling a bit paranoid, I will be Epoxying those inserts into the heads. Thanks again ya'all ! Best wishes from South Western Virginia. 😎
 
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