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Building up a C263 gas engine...?
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Posted by Sean Wetgen on November 08, 2006 at 22:24:16 from (204.77.166.193):
An overhaul is due on my 65' Farmall 706 that has a 263 gas engine. The Tractor Vet has made my mind up on keeping the gas engine and building it up for more power. Instead of swapping to a diesel 310. But I am curious to how much can a guy build to it and how much gain could I get. He talked about making the 263 into a 291 using the same block and doing a line bore, then bore the the block to center line of the crankshaft. Deck the block, and rebuild the head completely. He mentioned to rebuild the cam and get new lifters. Then balancing the entire engine. Mentioned on reaming the main jet on the carb a tad, and recurving the distributor to the 291's specs. But I am more or less a weekend builder and don't do it alot to know what would all work. Hopefully he will reply to this and share some more on the build. But can't I use an 806's carb from the 301? Be a tad bigger but should supply enough gas. Where do I find specs to rebuild the cam or recurve the distributor? Isn't there a way to add alittle more storke by doing an offset grind of the crank? Can that be done to this style motor? Thought of putting a turbocharger on it, but don't care for them on a gasser. Just a bunch of little questions and need some advice. I don't know is any of the machinists in town would know of a IH 263 real well for a changing build. Stock yes, built I'd have to check around. But I want to know what I am talking about to them so they can understand what I am after. Thanks!
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