[MDairheads] Exhaust Port Thread Question

[markh.singer at yahoo.com]

I would try repairing with a thread file first, before taking a die to it. Be patient, slow and steady does win some races. Then if all else fails pay someone. 
Good luck

Sent from my iPhone

> On Aug 19, 2018, at 7:24 PM, Zwicky, Eric via MDAirheads <mdairheads at casano.com> wrote:
> 
> 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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