1951 Cub
Smokes like a mosquito abatement truck (white)
Not enough power to run the 59 mower, sharp blades, greased spindles,
Compression cold is 90-80-85-80-60
Didn't do the oil squirt test into the cylinders.
Take a look at the valves next?
What should I do, take off the valve cover or remove the head?
Thanks for any suggestions.
STraylight.
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ok, did the compression check - time to look at the valves?
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- 10+ Years
- Posts: 29
- Joined: Sun Apr 04, 2004 11:13 pm
- artc
- Cub Pro
- Posts: 1871
- Joined: Sun Mar 30, 2003 10:25 am
- Zip Code: 06457
- eBay ID: cmtelephone
- Tractors Owned: Restored: 1950 Cub, 1950 Cub Demo, 1948 super AI, 1935 Silver King, 1946 Oliver 60 RC, John Deere M, 1950 C demo.
In working clothes:
1950 cub, 1948 cub, 1941 A, 1948 H, 1963 B414, 1958 240U, 1947 Oliver 60 industrial, Oliver 70 industrial. IH 450, 1963, another 1948 cub, 1946 I6 with Trogan front blade. - Location: CT, Middletown
- Contact:
straylight, is your cub a 5 cylinder????? that 60 on the end, if it's really cylinder #4, is poor at best. is it oil smoke or water and is there blowby out the filler tube? does your governor cut in quickly under load? is the oil level correct?
'If they're tappin', they're not burnin'
http://www.ZagrayFarmMuseum.org
http://www.ZagrayFarmMuseum.org
-
- 10+ Years
-
- 10+ Years
- Posts: 29
- Joined: Sun Apr 04, 2004 11:13 pm
yah caught me!
yah, it was wishful thinking that I could just unplug #5 and go along with the 4 good ones. I've got a busted wing so my typing isn't too good.
Checked the oil, no water. Checked the radiator and don't see any bubbles. Is definately short on power. The gov doesn't cut in quickly so I think that there may be a problem there also. We unhooked the gov and set the engine speed fairly high by hand and could still not develop enough power to spin up the blades. Without the mower the power is also fairly pathetic.
Yes, one of the 80's of the compression was a duplicate and the last cyl. is 60bs
Straylight
Checked the oil, no water. Checked the radiator and don't see any bubbles. Is definately short on power. The gov doesn't cut in quickly so I think that there may be a problem there also. We unhooked the gov and set the engine speed fairly high by hand and could still not develop enough power to spin up the blades. Without the mower the power is also fairly pathetic.
Yes, one of the 80's of the compression was a duplicate and the last cyl. is 60bs
Straylight
- artc
- Cub Pro
- Posts: 1871
- Joined: Sun Mar 30, 2003 10:25 am
- Zip Code: 06457
- eBay ID: cmtelephone
- Tractors Owned: Restored: 1950 Cub, 1950 Cub Demo, 1948 super AI, 1935 Silver King, 1946 Oliver 60 RC, John Deere M, 1950 C demo.
In working clothes:
1950 cub, 1948 cub, 1941 A, 1948 H, 1963 B414, 1958 240U, 1947 Oliver 60 industrial, Oliver 70 industrial. IH 450, 1963, another 1948 cub, 1946 I6 with Trogan front blade. - Location: CT, Middletown
- Contact:
then it's time to open up the motor, it won't get better. but at the least, sounds like honing, rings and grind the valves. you won't know the extent till yo open her up. fixing the governor is a must, also.
have fun
have fun
'If they're tappin', they're not burnin'
http://www.ZagrayFarmMuseum.org
http://www.ZagrayFarmMuseum.org
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- 10+ Years
- Posts: 29
- Joined: Sun Apr 04, 2004 11:13 pm
Yup have blow by out of the oil filler tube
Yup have blow by out of the oil filler tube
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