Quote:
Originally Posted by oxford1360
From Wikipedia -
"An engine is described as undersquare or long-stroke if its cylinders have a smaller bore (width, diameter) than its stroke (length of piston travel) - giving a ratio value of less than 1:1..."
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Their one advantage (I've found) is in the difficult starting scenario- providing the battery will get one piston past TDC on a compression stroke and it fires... it will start.
I can't say that about the oversquare Ford engines I've owned!!!