OKJ Stack Mod

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ReelFaster

Smoke Blower
Original poster
May 21, 2018
77
35
I wasn't able to pull the trigger on a local FB posted smoker. Decided instead to modify the stack to my OKJ. I have trouble from time to time keeping a fire going so I decided to replace the stack with a 4" vs. it's current 3" and lower it to cooking grate level.

So far it's been successful after 1 cook of ribs yesterday. The stack pulls so much more air, I was able to keep much steadier temps for longer and splits seem to catch much quicker on reloads. It's only one cook but so far so good!

My welding skills need much improvement so go easy on me lol. She isn't going anywhere and the spray paid helped cover it up! Best part is I can remove the stack and store and my cover still fits.
 

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Nice Mod!! Stepping up in size was a good thing for that smoker I bet. Hey as long as the welds are strong and sealed it is fine to me. I'm using the chargriller grand champ and I did a stack extension also.I feel like it also pulls more air. Didn't have to move the stack as it is already at grate level. If I had an OKJ I would want to do exactly what you did.
 
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Nice Mod!! Stepping up in size was a good thing for that smoker I bet. Hey as long as the welds are strong and sealed it is fine to me. I'm using the chargriller grand champ and I did a stack extension also.I feel like it also pulls more air. Didn't have to move the stack as it is already at grate level. If I had an OKJ I would want to do exactly what you did.
Thanks much!

Not pretty but it's welded inside and out and I checked a bunch of times with a flashlight no leaks or holes, I think am good. Same for the old hole, I cut a puck sized piece of metal and welded into place and grinded it down, not pretty but it's sealed for sure.

Wider stack and the extension def made the smoker run like a totally different smoker. Can't wait to do another cook!
 
Nice work, and I’m sure it does pull better draft. I have an old New Braunfels that my youngest son re did the exhaust with a plenum and 4” stack, night and day better draft.
 
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