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Tractor Pulling Discussion Forum

51 UTU Buildup

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Tim Elliott

09-06-2004 07:42:40




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I have a 51 UTU that I am restoring motor is in good shape but would like to build up while I am in the process of retoring. What can be done to increase cu in. and horse power




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MM future puller

09-07-2004 21:06:49




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 Re: 51 UTU Buildup in reply to Tim Elliott, 09-06-2004 07:42:40  
put in a G crank and have it ground to U rods and put on M5 jugs and pistons and 4210 heads....good for 100 ....(6.125 or 6.25" storke x 4.875 bore)



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TimElliott

09-08-2004 19:26:38




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 Re: 51 UTU Buildup in reply to MM future puller, 09-07-2004 21:06:49  
When you say increase 100 cu in. or 100 hp. If I have the G crank milled to the U rods will I need just the new pistons or will I need rods also



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