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The only reason to use a shorter stroke motor is, you already have one, or you need the most HP per CI. Other than that, build with plenty of stroke and your valve train will thank you.



yep thats one of the good reasons, another one is if you can make more power than your existing chassi can handle with a stock stroke then there isnt realy a good point in making more power and especialy more torque down low (that may actualy be a good reason to work on getting the car capable of handling more power instead of trying to limit torque at lower rpm but sometimes its a way of trying to make something work that isnt suposed to work)