Re: 706 rebuild 3 questions?

Posted by the tractor vet on January 08, 2006 at 07:14:39 from (4.124.93.164):

In Reply to: 706 rebuild 3 questions? posted by Kelly C on January 07, 2006 at 18:13:19:

Well now is the time to get the engine out and do it all the way , now for the broken bolt just use a tourch and warm up the outside a littel and a pair of vice grips . That burnt valve was cause by several things (1) the type of oil that was used and (2) timming . (3) gas . Now on to the piston - sleeve get the Mic. out and see how much ware and the amount of taper in each hole more then likely it is time for a rebuild so if it is that time then ridge reaming is not nesseary since your going to replace everything as just putting a set of rings on the old pistons is just a bandaid and the honing is just going to open her up even more . it is time to redo the head with new guides springs and most likely all the valves and keepers and have it trued up take off nomore then what is nessary , Mic the crank and do both end of the rods check the lobes on the cam and the lifters as a woren cam will not allow the valves to close at the correct time. I have redone more 706's then probably anybody on here and have lost count of the ones bought and fixed and sold when they are fixed wright they are one heck of a good tractor and will give years of excellant service . Now i am somewhat of a motor head and like to get all the Hp. that i can and if i am redoing a 263 then i make them the 291 as they are day and night differant from the 263 and when your that far into to it a bore job is not that much more then you know that everything is back in line if it is done correctly as i like to have it done on a stationary bar and line up off the crank throw . The last two that i did i even had them balanced boy did that help, they ran somuch smoother.

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