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08-02-2019, 05:11 PM | #1 |
Senior Member
Join Date: Dec 2014
Location: Fort dodge, Iowa
Posts: 825
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Spark plug thread renewal suggestions
I would like to put new threads into a set of Edmunds heads. All 8 spark plug holes feel to loose to me. Am looking for suggestions on heli-coil or thread-serts. Any specific brand that seems to be best. Thanks
Last edited by 34fordy; 08-02-2019 at 05:12 PM. Reason: spelling |
08-02-2019, 07:07 PM | #2 | |
Senior Member
Join Date: May 2010
Location: Long Island, NY
Posts: 1,052
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Re: Spark plug thread renewal suggestions
Quote:
The best spark plug inserts are the 1-piece that incorporate a "new" seat area for the spark plug washers! Easy to install and you won't notice them in there with the plugs installed! They CANNOT go through like conventional heli-coils may! Photo below, they come in various lengths depending on the plug length requirement. Thanks, Gary in N.Y. P.S. To your other post about milling, not familiar with the years you have but I can't see any major issues so long as the milling is not extensive. Can't tell about that without actually looking at the castings.
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08-02-2019, 09:23 PM | #3 |
Senior Member
Join Date: Sep 2016
Location: sydney australia
Posts: 1,034
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Re: Spark plug thread renewal suggestions
hey they look like the ducks n*ts any chance of Brand and part numbers
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08-02-2019, 10:15 PM | #4 |
Senior Member
Join Date: Dec 2013
Location: Minnesota, Florida Keys
Posts: 10,319
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Re: Spark plug thread renewal suggestions
Yeah, me too (unless it's a trade secret).
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08-03-2019, 01:33 AM | #5 |
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Join Date: May 2010
Location: now Kuna, Idaho
Posts: 3,779
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Re: Spark plug thread renewal suggestions
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