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#1
12-22-2013, 05:16 PM
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K301 Troubles
In all my tinkering, the engine seemed to be sound, and ran great. I noticed some oil residue between the block and the head. I checked the head bolts I could get to easily, and they were loose. UGHHH! I pulled the head to find it was warped, enough to crack a fin. I milled it flat for now and put it back on. I need to find a head and get a new head gasket. And the spark plug hole is nearly stripped out.
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1966__122 Cub Cadet. Owner: Calvin, 6 yrs old Dad: Craig 
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#2
12-22-2013, 06:17 PM
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What it the difference between the spark plug location on the head? Which one is more desirable?
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1966__122 Cub Cadet. Owner: Calvin, 6 yrs old Dad: Craig
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#4
12-22-2013, 08:06 PM
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the plug over the exhaust valve does flow more air. that style head was used on the QL and newer. in our testing on stocker engines we built, dyno numbers don't show that air flow on a goverened engine is benefit . We found that the LP head was best followed by the 2nd gen head style which should be on the engine on your tractor. while there's air flow it can't overcome the amount of lost compression .
keep in mind the more compression to a certain point creates torque, torque and RPM are calculated to get actual horsepower
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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.
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