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Minneapolis Moline Tractors Discussion Forum
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Increasing compression in a ut

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Greg

02-16-2004 13:45:21




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I am looking to increase the compression ratio in the UTU I am working on, but it has the low compression heads (10A 4209). Instead of changing out the heads, I would like to have them milled (shaved or whatever) and would like to know if anyone else has ever done this? If so, how material is there on the bottom of these heads and how much could be taken off. I do not want to make this into a high compression head, but I do want to increase it from the 5.5:1 compression ratio that it is.

I posted a similar question the other day on this and did not get any response. Here I have restated the question in a different way.

Thanks in advance for the information

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Dieselbear

02-16-2004 16:30:01




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 Re: Increasing compression in a ut in reply to Greg, 02-16-2004 13:45:21  
You can go .125 safe enough. A good gage to use is to look at the water jacket wholes to see how much meat is there.You can also change head gaskets that will help too Glenn



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gee

02-16-2004 15:47:18




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 Re: Increasing compression in a ut in reply to Greg, 02-16-2004 13:45:21  
i doubt if it will help much. better off to switch heads.



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