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Other the crankshaft rod and piston, the stoke is and other main factor.
For B series
Bore and Stroke : 81.0 x 77.4mm
For D series
Bore and Stroke : 75 × 90 mm
Just for example F1 the rules on engine limit bore to a maximum of 98 mm , consequently stroke has to be 39.7 mm they rev up to 18000rmp+
means even all internal are balance, the short stoke will allow higher rev.....
http://t2.gstatic.com/images?q=tbn:A...yW1DyVEAfDCBHXQuote:
Originally Posted by dougie_504
lol dude, you cannot determine how fast a piston can move before it fails. Every motor is different. A piston in a v8 super car might last 'X' number of kms.. and a piston in a top fuel drag car migh only last 'Y' number of kms, spinning at the same revolutions. How much boost are you running, what fuel are you using, how much compression are you running, how many kms has the engine travelled etc etc etc....