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TO-30

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Author 
Dave

03-28-1998 13:40:17




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I've got a TO-30 with a Continental Z engine
that I'm trying to refurbish,and it has a crack
in the block that runs from cylinder to cylinder.
Some of the people I've talked to say that because
it is a sleeved engine, that the crack makes very little difference in the re-build. Others say the
block should be replaced. Any of you had any experience in this matter ????




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Rick Dold

03-28-1998 16:21:24




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 Re: TO-30 in reply to Dave, 03-28-1998 13:40:17  

Dave, I also rebuilt a Z120 continental in my TO20 with
the same cracked block. I had first sent the block to repair shop that specialized in welding cracked blocks and heads... they did a crappy
job and charged me $495.00 anyway. I went to a local engine machine shop and it turned out they were very familure with the type of cracks
I needed repaired and they used a sleeve that was epoxied in place. The area were the cracks are is where the lower wet sleeve o-rings
sit. It is important that the cracks are repaired, however the epoxied sleeve is a very good fix
at a much lower price than having the block
welded and remachined. My block was repaired
in 1995 and I have not had any problems at all with the engine... I use my tractor to plow snow in the winter and also pull a 2x14 plow in my couple acre garden, along with other misc. chores. In other words I work it. If you choose to replace the block, good luck finding one that is not cracked, they all cracked. Good luck on the rebuild, and be carefull, it's easy to put too much money in the engine and have a negative return on your investment. (I know from experience) P.S. I live in northeastern Indiana, if your in the area perhaps the machine shop that repaired my block can help you with yours.

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Rick Dold

03-28-1998 16:20:29




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 Re: TO-30 in reply to Dave, 03-28-1998 13:40:17  

Dave, I also rebuilt a Z120 continental in my TO20 with
the same cracked block. I had first sent the block to repair shop that specialized in welding cracked blocks and heads... they did a crappy
job and charged me $495.00 anyway. I went to a local engine machine shop and it turned out they were very familure with the type of cracks
I needed repaired and they used a sleeve that was epoxied in place. The area were the cracks are is where the lower wet sleeve o-rings
sit. It is important that the cracks are repaired, however the epoxied sleeve is a very good fix
at a much lower price than having the block
welded and remachined. My block was repaired
in 1995 and I have not had any problems at all with the engine... I use my tractor to plow snow in the winter and also pull a 2x14 plow in my couple acre garden, along with other misc. chores. In other words I work it. If you choose to replace the block, good luck finding one that is not cracked, they all cracked. Good luck on the rebuild, and be carefull, it's easy to put too much money in the engine and have a negative return on your investment. (I know from experience) P.S. I live in northeastern Indiana, if your in the area perhaps the machine shop that repaired my block can help you with yours.

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Rick Dold

03-28-1998 16:19:57




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 Re: TO-30 in reply to Dave, 03-28-1998 13:40:17  

Dave, I also rebuilt a Z120 continental in my TO20 with
the same cracked block. I had first sent the block to repair shop that specialized in welding cracked blocks and heads... they did a crappy
job and charged me $495.00 anyway. I went to a local engine machine shop and it turned out they were very familure with the type of cracks
I needed repaired and they used a sleeve that was epoxied in place. The area were the cracks are is where the lower wet sleeve o-rings
sit. It is important that the cracks are repaired, however the epoxied sleeve is a very good fix
at a much lower price than having the block
welded and remachined. My block was repaired
in 1995 and I have not had any problems at all with the engine... I use my tractor to plow snow in the winter and also pull a 2x14 plow in my couple acre garden, along with other misc. chores. In other words I work it. If you choose to replace the block, good luck finding one that is not cracked, they all cracked. Good luck on the rebuild, and be carefull, it's easy to put too much money in the engine and have a negative return on your investment. (I know from experience) P.S. I live in northeastern Indiana, if your in the area perhaps the machine shop that repaired my block can help you with yours.

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Rick Dold

03-28-1998 16:18:15




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 Re: TO-30 in reply to Dave, 03-28-1998 13:40:17  

: I've got a TO-30 with a Continental Z engine
: that I'm trying to refurbish,and it has a crack
: in the block that runs from cylinder to cylinder.
: Some of the people I've talked to say that because
: it is a sleeved engine, that the crack makes very : little difference in the re-build. Others say the
: block should be replaced. Any of you had any : experience in this matter ????

Dave, I also rebuilt a Z120 continental in my TO20 with
the same cracked block. I had first sent the block to repair shop that specialized in welding cracked blocks and heads... they did a crappy
job and charged me $495.00 anyway. I went to a local engine machine shop and it turned out they were very familure with the type of cracks
I needed repaired and they used a sleeve that was epoxied in place. The area were the cracks are is where the lower wet sleeve o-rings
sit. It is important that the cracks are repaired, however the epoxied sleeve is a very good fix
at a much lower price than having the block
welded and remachined. My block was repaired
in 1995 and I have not had any problems at all with the engine... I use my tractor to plow snow in the winter and also pull a 2x14 plow in my couple acre garden, along with other misc. chores. In other words I work it. If you choose to replace the block, good luck finding one that is not cracked, they all cracked. Good luck on the rebuild, and be carefull, it's easy to put too much money in the engine and have a negative return on your investment. (I know from experience) P.S. I live in northeastern Indiana, if your in the area perhaps the machine shop that repaired my block can help you with yours.

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