Got to get in on this discssiion a little. As the 560 ignition timing is 30 degrees btdc and a 263 in a 706 is only 22 degrees at a higher rpm, maybe you should play with just retarding that high end of the timing down closer to 706 specs. Can't hurt a thing until you get so late it lacks power or heats. Have seen a few of those little six bangers fry , melt pistons over the years but around here no one really works them hard any more. I broke in mainly working on trucks and pickups with that basic engine, first thing I said when I saw the new 560 come off the truck was, what the h---, they put a darn BD engine in a tractor. Back then I wasn't privy to what was coming new as I was new also so it was kind of a shock. But, that being said , I just partially tore down a 560 diesel, pistons are shot, top rings can move up about a quarter inch due to erosion where injection takes place, has rod bearings marked '63. I know head had been off several times and assembled less than precise. Don't know about lower end. Five out of six pre-cups were turned 180 degrees, only one that was not was stuck in so apparently they didn't take it out. Haven't decided how far we are going on this one yet. Had head gasket blown between two cyls but even at that it started under own power. Couldn't believe it after I got it tore down somewhat.
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I’m handing him tools and he says, "give me that..." and I’ve already got it in his hand or "hand me that....."and I’ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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