Manifold pipe loose

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Manifold pipe loose

Postby pickerandsinger » Sat Sep 28, 2013 3:02 pm

manifold.jpg
As you can see the hole is enlarged slightly
manifold.jpg (29.12 KiB) Viewed 446 times
Exhaust pipe.jpg
No threads
Exhaust pipe.jpg (20.52 KiB) Viewed 446 times
The pipe pulls out of the manifold and is loose as a goose...While I got the tractor down I may as well fix it if possible....Anyone ever used JB Weld or any other thing to tighten these two pieces up....I see no signs of threads on either...It'd be nice to able to replace the pipe it if needed...Maybe I should just leave it as is....I read it does effect the engines performance...Comments... :thanx: Dave
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Re: Manifold pipe loose

Postby Rudi » Sat Sep 28, 2013 3:09 pm

Dave:

I would chase those threads .. 1-1/8" NPT ... then get a piece of 1" ID sked 40 pipe about 17" - 18" long, threaded .. and screw it into the manifold. Poof all done. If you want a muffler on it, then you may want a shorter pipe depending on what looks good to your mind and will keep the exhaust out of your face. :idea: :!: :D
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Re: Manifold pipe loose

Postby pickerandsinger » Sat Sep 28, 2013 3:13 pm

Thanks Rudi....I read it was suppose to be threaded, but no evidence here....Thanks for the measurements :thanx:
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Re: Manifold pipe loose

Postby Smokeycub » Sat Sep 28, 2013 3:51 pm

It looks like there may be some threads on the manifold (top pic). Did it break off at some time in the past and someone jamb in a piece of pipe? If so then there may be the broken off stub of the original pipe still in the manifold, which can be removed (carefully). Hard to tell from the pics.
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Re: Manifold pipe loose

Postby ScottyD'sdad » Sat Sep 28, 2013 4:11 pm

don't think JB weld works, in heat. Ed
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Re: Manifold pipe loose

Postby RedNeckSuperC » Sat Sep 28, 2013 4:24 pm

I have been a plumber since 1980 and have never seen or heard of 1 1/8" NPT pipe
Must be a Canadian thing................ :wink:
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Re: Manifold pipe loose

Postby pickerandsinger » Sat Sep 28, 2013 4:30 pm

Thanks for the replies guys. :thanx: ....Yeh, Ed I'll bring the manifold to Cecil's so you can thread it....Thanks :thanx: I'll be in touch ...Dave
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Re: Manifold pipe loose

Postby ScottyD'sdad » Sat Sep 28, 2013 4:31 pm

It's 1" pipe thread. The Canadian has been sniffing coffee, again.
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Re: Manifold pipe loose

Postby Rudi » Sat Sep 28, 2013 5:25 pm

Well, I am not exactly a plumber, but .........

1" Sked 40 Pipe has an OD or outside diameter of 1.133" which is as close to 1-1/8" as you will get. So whatever the size of the die is .. ......... :big give up: I assume that you need a 1-1/8" tap to chase those threads.

According to the National Standard Taper Pipe Threads Size NPT Chart

NPT is defined by ANSI/ASME standard B1.20.1.

Nominal Pipe Size is loosely related to the inside diameter of Schedule 40 pipe. Because of the pipe wall thickness, the actual diameter of the threads is larger than the NPS, considerably so for small NPS. Other schedules of pipe have different wall thickness but the OD (outer diameter) and thread profile remain the same, so the inside diameter of the pipe is therefore different from the nominal diameter.


You need a tap to chase the threads after the manifold is clean of any residual pipe that may be there. I can see the threads .. at the top of the manifold .. but the pic isn't sharp enough to tell if there is a broken off piece down farther in the manifold. It would kinda make sense for the piece of pipe that was stuck in there.

You will need a die for the pipe .. and I think Ed will bring that with him to Cecil's ...

As far as measurements, I am at a disadvantage ... I have to think in 3 systems ... Imperial, Metric and SAE .. so sometimes I even confuse myself :lost: :help: :worthy: :big give up:
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Re: Manifold pipe loose

Postby pickerandsinger » Sun Sep 29, 2013 4:39 am

Yeh the thread thing can be confusing for sure, :shock: but I got the jest of it....I don't have any taps and dies that large anyhow and it would be handy to bring it to Cecil's and we can all discuss the threads. :mrgreen: ....As I always say, " I ain't no plumber, or no plumber's son, but I'll be your plumber, till your plumber comes".... :lol:
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Re: Manifold pipe loose

Postby Bill E Bob » Sun Sep 29, 2013 10:25 am

pickerandsinger wrote:As I always say, " I ain't no plumber, or no plumber's son, but I'll be your plumber, till your plumber comes".... :lol:


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Re: Manifold pipe loose

Postby hurleyjd » Sun Sep 29, 2013 10:42 am

How about spending $95 and buying a new manifold, problem solved for your lifetime. Yes Rudy doing pretty well here, if our government does not get together and solve some problems, I will get some real estate dealers name from you and move north.
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Re: Manifold pipe loose

Postby ScottyD'sdad » Sun Sep 29, 2013 12:29 pm

It's $95.00 cheaper, to have the guy with the tap, fix it.
Ed
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Re: Manifold pipe loose

Postby pickerandsinger » Sun Sep 29, 2013 1:45 pm

hurleyjd wrote:How about spending $95 and buying a new manifold, problem solved for your lifetime. Yes Rudy doing pretty well here, if our government does not get together and solve some problems, I will get some real estate dealers name from you and move north.
A bunch of guy did that during Nam.....Unfortunately they came back :lol: I'd rather fix something than buy it new if possible....I enjoy the challenge and friendship of people on the forum who offer to help this :lol: poor white boy.....
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Re: Manifold pipe loose

Postby pickerandsinger » Sun Sep 29, 2013 1:48 pm

Bill E Bob wrote:
pickerandsinger wrote:As I always say, " I ain't no plumber, or no plumber's son, but I'll be your plumber, till your plumber comes".... :lol:


Guy Davis Fan :?: :wink:
Don't know its a saying some of the old boys used at work....Dave
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1950 Ferguson TO20 w/ loader
1951 Ferguson TEA 20 (parts)
F/H Disc Harrow for cub L-38
C-22 Sickle Bar Mower
IH Cub Snow Blade 54A
York Rake for Cub home made
Single bottom Plow for Cub F194
Gravely 5660 12 hp/ w snoblower.rototiller,bush hog
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