A few weeks ago, I purchased a Cub with a cracked block from a forum member. I had a donor motor back in the barn so I thought I'd take a chance. Before making an offer on the Cub, I decided I'd better make sure the donor block was sound and wasn't cracked too. To test the block I purchased an 1-1/4" expandable rubber plug from a local hardware store and inserted it in the lower coolant inlet and snugged it up.
Next I took a scrap piece of 1/4" steel and drilled 2 bolt holes to attach it to the head in place of the upper coolant inlet using a piece of gasket materal to seal it. Prior to installing it, I drilled and tapped a 1/8" NPT hole in the center and inserted a schrader valve in the tapped hole. I was able to pressurize the block to about 30 psi to assure that the block was sound and not cracked.
T
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Engine Block Pressure Test
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- ricky racer
- 10+ Years
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- Joined: Wed Sep 12, 2007 8:40 pm
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Engine Block Pressure Test
1929 Farmall Regular
1935 John Deere B
1937 John Deere A
1941 John Deere H
1952 John Deere B
1953 Farmall Cub
1935 John Deere B
1937 John Deere A
1941 John Deere H
1952 John Deere B
1953 Farmall Cub
-
- 10+ Years
- Posts: 414
- Joined: Sun Jul 14, 2013 11:24 pm
- Zip Code: 04730
- Tractors Owned: 1950 Cub...so far
- Location: Houlton, Maine
Re: Engine Block Pressure Test
Clever idea.
-
- 5+ Years
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53 F-Cub W/Loader. - Circle of Safety: Y
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Re: Engine Block Pressure Test
Slick!
Thanks for sharing.
Thanks for sharing.
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