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#11
06-01-2013, 12:08 PM
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Okay, so I'm completely lost. I cleaned up the head with 220 grit sandpaper and put in a new gasket. Fired right up with no squeal. However, I think it is still running too hot. I'm not familiar with how they normally run, but within 5 minutes of running at fast idle, the front grill housing and engine block are too hot to touch. Also, it runs rough, and seems to be missing/hunting when I run it up to speed. Here's the full history of the engine:
Rebuilt 6 months ago (new crank, rod, piston, rings, .20 over, valves lapped in) New points, and Kirk Point Saver system with Bosch coil Rebuilt carb (main needle, gaskets, throttle shaft, float needle and bushing) Plug is 6 months old Here's what I have checked so far Remover tins and cleaned cooling fins New head gasket Checked valve clearances (.09 intake and .18 exhaust) Timing (easy with the Point saver, Light comes on exactly at the S mark) Plug gap (.035) Took carb apart this morning and cleaned it all out (there was some sediment in the bowl), also cleaned out fuel sediment filter on tank (had some sediment in it) Set carb for factory settings (2 1/4 on main and 1 3/4 on low speed) Any ideas on what it could be? I'm about ready to sell the thing. I've put a ton of money into it and there always seems to be something new. 
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.
MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.
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