Re: Building up a C263 gas engine...?

Posted by the tractor vet on November 10, 2006 at 07:53:34 from (75.19.120.172):

In Reply to: Re: Building up a C263 gas engine...? posted by Sean Wetgen on November 09, 2006 at 21:19:37:

I posted to fast as to your questions . On the fuel thing here a STOCK 706 gasser was suppose to run no less then 93 octain as back when they were new reg gas was of the 95 octain and there were a few ompanys that produced 91 to 93 octain fuel like GUlF OIL had what they called GULFTAIN and it was of a realy poor grade as it was around 90 octain and even a old junk 6 cylinder cheve would knock and ping on it and I H stated in the owners manual that in there gasser tractors that you should use NOTHING LESS THEN 93 octain . Now here we are today in the 21 century and ya see it here everyday that someone is whinning that his gas tractor does not run well and this and that and i have covered this ground before many times CHANGE YOUR FUEL and even though you may think that you can run your tractor on the CHEAP STUFF and yes it will normaly start and run and for the most part it will run somewhat ok for the most part it is not running like it should and many of the plug fouling problems are from the gas not as much as the oil burning IT IS THE GAS . Now most of the people on here have gotten into playen with tractors because now they are in mid life and want something to do in there spare time and yes playen with old tractors is a great stress reliever and yes they ran old tractors in there youth BUT how many of you guys have played with engines since back in the late 50 and earlie 60's ???? and learned the trade form OLD timers or built compatition engines or even built and engine just to put it on a Dyno to destroy it to see what failed i can rack up 5 in that dept. Sorta neat to watch and engine come ungluded at 10000 rpm. OR watch things starting to GLOW up into the head . So here again it is best to understand just what you are working withand just what it was made to run on , So your old 706 with the 263 was made to run on NO LESS then 93 octain fuel with not alkihol and NO MTB OR MTD added . As for the whole group of us that run OLD tractors everyday doing what they were designed to do and that is WORK in the field and run on what they were ment to run on they do a fine job , now we do not farm 10 million acres but these old tractors are farmen on 150 acres up to 350 acres and get the job done with out cabs , heat or A/C . Over here in Nroth East Ohio a 706 gasser has all it wants with 4x16's plowen at 8 to 10 inches deep as that is about where the clay starts more or less . Now if ya have nice sandy soils then maybe 5x16's . In corn ground with the 4 bottoms she can run along in 1st. high but get her into sod depending on the age of the alphia sod 4th low and sometines 3rd low , my 806 setting at 110 hp with 4x16 4th low to first high is all that ya want on her she has just a tad more thru the tough spots . Now on the 1066 if ya can set in the seat it is more like pick a gear any gear with the 5x16 's in corn ground at the 8-10 inch depth and in sod 1st high . But nomaly we just run the 1st high and either pull down on the throttel a bit more or back off a littel , as i have never had her on the dyno i just set the pump so that if we want to chop in 4th low she has the snort but when ya do open her up she can show you just how fast she can drain the tank the other down side of her power is that when the spot on the chopper get's a littel thin she will take th curve wright out of it and required a , shell we say BEEFING up and also rquired the use of SYNTHETIC grese in the gear box as i realy hate the smell of super hot 90w . SO if ya want to pull 5x18's then my advice would be GET A BIGGER TRACTOR, AS that is even to much plow for what ya have now .

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