Posted by Clodbuster on April 13, 2009 at 18:34:55 from (66.146.251.103):
I bought this about a year ago and it seemed to run fine sitting in a shed, but then it sat around outside not running since. Exhaust is covered but it has a small 1/4" crack in the manifold under the hood area.
I cleaned the gas tank, put in new points, plugs, cap, and rotor, and it runs sweet but has a loud knock. When I ride the brake it goes away and sounds fine and normal.
If it was carbon loose on a piston, would the sound go away under load? I hope it is not a rod bearing, but what else could it be? The tractor was aways taken care of and the oil is clean.
I spun the engine without the plugs in and nothing came out yet. Compression is an even 60 to 70 lbs on all 4 holes so I don't think it is a stuck valve.
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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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