[MDairheads] Exhaust Port Thread Question

[Zwicky, Eric]

I had the same issue three or four years ago and I sent it to Randy 
Long.   He had it back to me a week later.  No jive.   I called him 
first and he said send it in.    Brand-new threads for somewhere around 
50 bucks.



On 8/19/2018 6:59 PM, Kevin Fahey via MDAirheads wrote:
> Evening All,
> 
> 
> When attempting to remove the exhaust crossover pipe to clean trust from it and the exhaust pipes, I found it was rusted solid to both exhaust pipes.
> 
> 
> So I decided to go ahead and remove both exhaust pipes.  They're pretty rusty.  I also wanted to make sure they hadn't rusted into the exhaust ports.
> 
> 
> The left side exhaust nut came off smooth as butter.  Right side loosened a couple turns and then would not budge.  Having paid attention to advice passed along in the prior tech sessions I've attended, I went ahead and cut the exhaust nut off rather than force it off.
> 
> 
> Found the reason it hung up was some slight damage to a thread as you can see in the attached photo.  I'm guessing it happened during a removal by a previous owner.
> 
> 
> Looks to me like I should be able to clean it up with a die since the damage isn't too severe or too extensive.  Is this the recommended course of action?  If so, anybody know what size die to use and possibly a source that sells them?
> 
> 
> Kevin
> 
> 
> 
> 
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