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Speakingof air stacks

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Dan in Ohio

11-24-2022 03:01:06




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I have been told several times that the air stack on my 80 is on backwards. I just shrug and say "I didn't do that" and let it go but after looking at other 80's I realized they are all like mine. All my other letter series tractors air stacks face the opposite direction.

What is up with that, why is it different on the 80?

My 80


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The following 80's are NOT mine. Don't tell me they have all been restored incorrectly.


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This post was edited by Dan in Ohio on 11/24/2022 at 03:05 am.

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jd2cyl1943

11-25-2022 10:11:17




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 Re: Speakingof air stacks in reply to Dan in Ohio, 11-24-2022 03:01:06  
It had to do with the air cleaner being to bulky to fit to the rear because of the starting motor. so they just pushed it in front instead.



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Rich'sToys

11-24-2022 21:30:20




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 Re: Speakingof air stacks in reply to Dan in Ohio, 11-24-2022 03:01:06  
Quoting Removed, click Modern View to see

The opening on the stack DOES face the rear on A's and B's, but that IS also away from the muffler, as the muffler is in front on those tractors.



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Dan in Ohio

11-24-2022 09:24:23




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 Re: Speakingof air stacks in reply to Dan in Ohio, 11-24-2022 03:01:06  
No, the 70D air stack is not factory although it has been changed to look factory as it originally (PO installed) was mounted straight up on the air cleaner like the 20 series tractors. Using original parts I changed it to come up through the grill as the 70 was originally.



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Masseyharrisnut

11-24-2022 08:05:25




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 Re: Speakingof air stacks in reply to Dan in Ohio, 11-24-2022 03:01:06  
Nice 80 that you have.



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Mark Poss

11-24-2022 06:34:11




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 Re: Speakingof air stacks in reply to Dan in Ohio, 11-24-2022 03:01:06  
Great looking 70 also. My 70 Diesel doesnt have an air stack. Is yours factory?



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Dan in Ohio

11-24-2022 06:31:24




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 Re: Speakingof air stacks in reply to Dan in Ohio, 11-24-2022 03:01:06  
Thanks, just wish it wasn't such a beast to haul. Usually the only one at the local tractor shows.



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Mark Poss

11-24-2022 06:07:21




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 Re: Speakingof air stacks in reply to Dan in Ohio, 11-24-2022 03:01:06  
Dont know which way its supposed to face but thats a great looking tractor!!



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Dan in Ohio

11-24-2022 06:00:51




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 Re: Speakingof air stacks in reply to Dan in Ohio, 11-24-2022 03:01:06  
I guess it makes sense to have the air stack face away from the exhaust but not really when we think about how the numbered series draw air.

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Mike(NEOhio)

11-24-2022 05:56:25




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 Re: Speakingof air stacks in reply to Dan in Ohio, 11-24-2022 03:01:06  
Ram induction???



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matthies

11-24-2022 05:35:34




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 Re: Speakingof air stacks in reply to Dan in Ohio, 11-24-2022 03:01:06  
To keep exhaust gases out of the engine.



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JIM MN

11-24-2022 07:01:26




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 Re: Speakingof air stacks in reply to matthies, 11-24-2022 05:35:34  
Seems all the other two-cylinder tractors that have this style of air stack have the open side facing away from their exhaust stacks .. They came from the factory that way..



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Pete in MD

11-24-2022 18:57:49




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 Re: Speakingof air stacks in reply to JIM MN, 11-24-2022 07:01:26  
''Seems all the other two-cylinder tractors that have this style of air stack have the open side facing away from their exhaust stacks .. They came from the factory that way.''

The opening on the airstack faces rearward toward the muffler on A and B tractors.



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JIM MN

11-24-2022 21:49:18




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 Re: Speakingof air stacks in reply to Pete in MD, 11-24-2022 18:57:49  
I disagree.. On a styled A or B , the exhaust is in front of the air stack . The openings on the air stack face away from the muffler..



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Pete in MD

11-25-2022 05:59:10




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 Re: Speakingof air stacks in reply to JIM MN, 11-24-2022 21:49:18  
Now that my brain fog has cleared, I agree with you. Mia culpa.



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