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1" black pipe for exhaust
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- 10+ Years
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1" black pipe for exhaust
Has anyone made an underslung pipe from 1" black pipe? I have some, all id have to do is either bend it or use pipe fittings. would it work?
Or electric EMT conduit?
John
Or electric EMT conduit?
John
'49 Cub (Vince)
'41 allis B with Woods L59 mower
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
Simplicity 20 HP Sunstar
Honda 48” walk behind mower
'41 allis B with Woods L59 mower
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
Simplicity 20 HP Sunstar
Honda 48” walk behind mower
- Mike in Louisiana
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Re: 1" black pipe for exhaust
There have been some pictures on here of it being done, but it dose not look very good. TM has the exhaust pipe for 136.00.
Might find a muffler shop that could do it, but dia might be to small.
Might find a muffler shop that could do it, but dia might be to small.
1975 cub (LouAnn) serial # 245946, 1941 John Deere Model H
Good judgment comes from experience,
and a lot of that comes from bad judgment. Will Rogers
Good judgment comes from experience,
and a lot of that comes from bad judgment. Will Rogers
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Re: 1" black pipe for exhaust
A good muffler shop will bend you one from a pattern for $50 or so. Last one i had done was from 1.5 inch. Factory was 1.375. I would not do 1inch...too small...
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Re: 1" black pipe for exhaust
ntrenn wrote:A good muffler shop will bend you one from a pattern for $50 or so. Last one i had done was from 1.5 inch. Factory was 1.375. I would not do 1inch...too small...
The threads in the manifold is 1" pipe thread... I have plenty of 1" pipe and 45* elbows.
'49 Cub (Vince)
'41 allis B with Woods L59 mower
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
Simplicity 20 HP Sunstar
Honda 48” walk behind mower
'41 allis B with Woods L59 mower
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
Simplicity 20 HP Sunstar
Honda 48” walk behind mower
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Re: 1" black pipe for exhaust
Sounds like you really want to do this, so let me try to discourage you! If I'm recalling correctly, the ID of a 1" sch 40 pipe is a few thousandths over 1 inch - say 1.04. A 16 gauge 1-3/8 tube is going to have an ID of 1.25. The actual tubing used in exhaust pipe may even have a thinner wall, but let's say 16 gauge. And yes, the adaptor is threaded to 1" pipe thread, but you'll be generating back-pressure all the way down the line - several feet. You're reducing the section size of the tube by 17% or so. You're also limiting exhaust flow by using 45's instead of sweeping turns.
You're starting out, under perfection conditions, in perfect tune, with 9 or 10 horsepower. That doesn't leave many to spare - it will run, but I think it will cost you in power, and in frequency of tune-ups.
You're starting out, under perfection conditions, in perfect tune, with 9 or 10 horsepower. That doesn't leave many to spare - it will run, but I think it will cost you in power, and in frequency of tune-ups.
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Re: 1" black pipe for exhaust
If you have all of the material why not try it? All you have to lose is your time and if you don't try it you will always wonder if it would have worked. If it doesn't give the performance you expect just redo it with larger pipe. You often learn more when something fails than when it works. JMHO
- radioguy41
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Re: 1" black pipe for exhaust
bofahs wrote:Sounds like you really want to do this, so let me try to discourage you! If I'm recalling correctly, the ID of a 1" sch 40 pipe is a few thousandths over 1 inch - say 1.04. A 16 gauge 1-3/8 tube is going to have an ID of 1.25. The actual tubing used in exhaust pipe may even have a thinner wall, but let's say 16 gauge. And yes, the adaptor is threaded to 1" pipe thread, but you'll be generating back-pressure all the way down the line - several feet. You're reducing the section size of the tube by 17% or so. You're also limiting exhaust flow by using 45's instead of sweeping turns.
You're starting out, under perfection conditions, in perfect tune, with 9 or 10 horsepower. That doesn't leave many to spare - it will run, but I think it will cost you in power, and in frequency of tune-ups.
Increased back pressure has the potential to lead to burnt valves as well.
KB3WBB
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Re: 1" black pipe for exhaust
Ok but I think it comes from the factory with 1" pipe I think 17 " long, I know I'd be using at least two 45* elbows and it would be way more than 17" long
'49 Cub (Vince)
'41 allis B with Woods L59 mower
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
Simplicity 20 HP Sunstar
Honda 48” walk behind mower
'41 allis B with Woods L59 mower
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
Simplicity 20 HP Sunstar
Honda 48” walk behind mower
- Peter Person
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Re: 1" black pipe for exhaust
The 57 Loboy we had for a while had a custom underslung exhaust. Replaced it with an IH pipe I got from Columbia Tractor in Claverack, NY....back when they were about half what they currently are.
...twas a thing of beauty, I tell ya!
...twas a thing of beauty, I tell ya!
1957 Farmall Cub "Emory", Fast-Hitch, L-F194 Plow & Colter, L-38 Disc Harrow, Cub-54A Blade, Cub-22 Sickle Bar Mower, IH 100 Blade
- LRiddle
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Re: 1" black pipe for exhaust
My first thought is about the added weight. Using all that pipe is going to add a bunch of weight that needs to be supported at many points vs the oem style that is much lighter imho.
Luke Riddle
Tallmadge, Ohio
1951 Cub - Chesty
Tallmadge, Ohio
1951 Cub - Chesty
"You can't believe everything you read on the internet." - Abraham Lincoln
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Re: 1" black pipe for exhaust
X2 for try it.
It's gonna look awful, but I doubt it will have a noticeable effect on performance. Free-flowing exhausts are only good for a few horsepower on engines developing hundreds of horsepower. Only noticeable on a dyno. On a Cub the difference will be a few HUNDREDTHS of one horsepower.
It's gonna look awful, but I doubt it will have a noticeable effect on performance. Free-flowing exhausts are only good for a few horsepower on engines developing hundreds of horsepower. Only noticeable on a dyno. On a Cub the difference will be a few HUNDREDTHS of one horsepower.
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Re: 1" black pipe for exhaust
I not sure it is worth the effort as is.
the newer manifolds have a larger thread before the elbow 1.25 i think and an adapter to bring down to the old size. if you are going to make the effort I my start with the 1.25 (1.38 id) to give you better flow
I had trouble finding a local muffler shop with tooling that size (auto and motorcycle ) that would bend an underling that small.
I am going vertical with a 1.25 pipe and use a muffler from a Ford jublee.
the newer manifolds have a larger thread before the elbow 1.25 i think and an adapter to bring down to the old size. if you are going to make the effort I my start with the 1.25 (1.38 id) to give you better flow
I had trouble finding a local muffler shop with tooling that size (auto and motorcycle ) that would bend an underling that small.
I am going vertical with a 1.25 pipe and use a muffler from a Ford jublee.
When you only have 9 horsepower you need to know the names of all of the ponies!
- bob in CT
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Re: 1" black pipe for exhaust
inairam wrote:I am going vertical with a 1.25 pipe and use a muffler from a Ford jublee.
I'm doing the same thing.
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Re: 1" black pipe for exhaust
Thanks for all your input. I found a complete underslung exhaust at a good price and I will install it.
Thanks,
John
Thanks,
John
'49 Cub (Vince)
'41 allis B with Woods L59 mower
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
Simplicity 20 HP Sunstar
Honda 48” walk behind mower
'41 allis B with Woods L59 mower
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
Simplicity 20 HP Sunstar
Honda 48” walk behind mower
-
- 5+ Years
- Posts: 2803
- Joined: Wed Jul 08, 2015 10:24 am
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- Tractors Owned: 1948 6v - Dozer
1949 with kub klipper belly mower. mag 6v - Mom
1950 with plow, 54 blade, mott mag 6v - Roxanne
1953 54 blade, c22, wood 42 6v
1957 6v - barn Queen
1965 lo-boy with c-3 mower 12 v - Loboy
1974 Horse II 12 v c-2
1975 with woods 42-6 12 v - Horse
1979 long strip 12 v stuck engine
130 with international 1000 loader 6 v
1969 140 with bush hog tow behind mower 12 v
Terramite T-6 4WD Backhoe Perkins diesel
Memberships: Rough and Tumble Engineers Historical Association;Chapter 8 IH Collectors; IH Collectors Worldwide - Circle of Safety: Y
- Location: Glen Mills PA
Re: 1" black pipe for exhaust
Bob you gave me the idea! good to see you on the site. you have been quite for a while.
When you only have 9 horsepower you need to know the names of all of the ponies!
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