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  1. 1Mech

    Using cable or chain instead of blades on a riding mower

    I have quite a few rocks and uneven terrain on my property, on which I keep the weeds down with a 42" riding mower. Needless to say, the occasional blade striking a rock is rough on the blades and spindles. Has anyone tried or considered taking an old blade, cutting it short and drilling holes...
  2. 1Mech

    93 octane fuel in a low compression engine

    I recently bought an old International B-414 gasoline tractor, reading through the owners manual, I noticed it called for 93 octane fuel. Now this is only a 6.3:1 compression ratio engine, why in the world would they recommend such a high octane fuel? Was octane rated differently in 1963?