My 92 900ss w/944 topend 12.5/1 comp. pistons, pankl Ti rods lightened/balanced crank blah,blah, about 104hp at the back wheel split the cases between the barrels clear across. Crack went from main to main, lifted the back cyl about a 1/4 inch.Something tells me that 30+ more horses might have a little to do with it.
Ducati back when they ran the 916,955,996 etc. in SBK brought a whole container of engines to swap out because the cases couldn't take the strain
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