Posted by ddg on October 07, 2007 at 14:46:35 from (64.12.116.73):
In Reply to: Farmall A Piston Help posted by J-Green on October 07, 2007 at 10:01:42:
I rebuilt my SA a couple of years ago, and wondered the same thing. I had the head planned enought to square it up, and had it completely rebuilt with new valves & guides. they re-ground the coutour on the rocker arms where they contacted the valve stems, and shimmed some of the springs. It got new valve seats too. Just like a new head. The pistons in mine were the old cast iron pistons with three upper & one lower ring. I went with the bigger bore and lighter aluminum step tops. I was worried about it being harder to crank, but it was not noticeable, it starts on the first lick now, never did that before. Enough power to mow tall grass in 3rd with the old Woods L59. Using whatever pump gas I want, and 10-30 oil. I also put in new main & rod bearings at the same time, runs like a new one maybe better. (1948 #250559)
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Today's Featured Article - Tractor Traction - by Chris Pratt. Our first bout with traction problems came when cultivatin with our Massey-Harris Pony. Up till then, this tractor had been running a corn grinder and pulling a trailer. It had new unfilled rear tires and no wheel weights. The garden was already sprouting when we hooked up the mid-mount shovel cultivators to the Pony. The seed bed was soft enough that the rear end would spin and slowly work its way to the downhill side of the gardens slight incline. From this, we learned our lesson sinc
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