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Re: Confused on a new part from LMC (pics)
If you want to plug something on the exhaust, it's best to use like materials if possible. Cast plug in iron. Steel in steel and stainless in stainless. Like metals have closer to the same expansion and contraction rates and would heat and cool closer together.
The brass plug was probably cooling much quicker and loosening up that way. The also have high temp sealants that can be used like a threadlocker. If you use the good stuff, its as good as a weld cause you won't be getting it back out again.
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Lee
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