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11-07-2019, 07:18 AM | #11 |
Senior Member
Join Date: Jan 2011
Location: Central Ohio
Posts: 5,067
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Re: Spark Plug Protrusion into Head?
If the Offy's were mine, I'd probably make steel inserts for 3/4" plugs (threaded on the outside 5/8" long) - with 3/4" reach 14mm threads on the inside. I'd modify the heads to bore/tap the original threads such that I could screw in the inserts - screw them in with loctite. I wouldn't worry about stripping the short aluminum threads ever again.
But, I wouldn't do this at all - when I can order other heads that work out of the box - that already use 3/4" plugs (Edelbrock). Last edited by Bored&Stroked; 11-07-2019 at 08:10 PM. |
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