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Message: <blockquote data-quote="HanJackaL" data-source="post: 1328644" data-attributes="member: 7333">Thanks for the info shiro.I always thought displacement is only affected by cylinder size (how much air can be crammed into the cylinder),so i never thought it is actually possible to cut the block to jam in bigger diameter pistons or increase the piston travelling distance to increase displacement..very interesting.Learnt something new.So to increase the stroke,i am guessing the crank shaft needs to be bigger so that it gets a bigger turning circle therefore pulling the pistons down lower ?In that case,the crank will be heavier so that it takes up more energy to move the crank, and since turning circle is bigger,we lose out on low end power since the engine needs a longer time to gather up the momentum and also a longer time to turn the full circle?And bigger also means heavier,means it takes more energy to move the crank means lower power.So we get bigger displacement but less torque,wont that be an equal trade off ?Piston sprayers ? What are those ? I thought the block only contains crank shaft,con rod,piston+piston rings ?Hehe...Why is B20B 9K+ ? I thought the block only cost about RM1500 and with workmanship it will be around RM2-2.5 k ?B20B block with strengthen internals (Piston,crank shaft,con rod,valve spring) should be able to high rev without a problem right?Correct me if i am wrong.Thanks!</blockquote>

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