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DOM tubing cylinder sleeve

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oltrucks39:
Hello all. I am currently working on the Perkins kit and through a long story have overbored the cylinder. I am considering sleeving it with DOM tubing. Any thoughts? Thanks in advance.

Brian Rupnow:
It depends a lot on what your piston and ring material is going to be. If you are using an aluminum piston and Viton o-ring, you should be okay. If however you are using cast iron rings you may run into trouble as the dom tubing is quite soft and has little or no graphite content to keep the rings from galling. What material was the cylinder that came with the kit?

oltrucks39:
The culinder is cast iron.

oltrucks39:
It seems to me, and I may be all wet, that automotive engines have cast iron cylinders and hard plated chrome moly rings which implies that a difference in hadness is needed. DOM tubing has to be much harder than cast iron.

Dave Otto:
I don't see any reason why the DOM tubing would not work. If I was faced with this problem I would probably make the sleeve from cast iron bar stock.

Dave

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