


What is a 350 bored ? over
Heys guys, gotta simple question for ya. At least I hope.
What is the cubic inch of a 350 that is bored 40, 50, 60, 70, 80, 90, 100 over. I mean what is the cubic inch bored 40 over, what is it bored 60 over, what is it bored 80 over. And so on. What is the formula to come up with the answer? Thoght it would be a good thing to know. Thanks guys.

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So a 350 bored 80 over would be a 363



If you don't want to do it long hand or w/a hand held calculator, there are calculators online that you simply plug the numbers into to get the answer. Here's an example, left column under CID  Engine Calculators .



A 350 bored .080" would be a ticking time bomb. Eventually it will either overheat, or self destruct.



thanks guys



Remember from school when someone told you that Pie are square? (actually most pies are round, and most cobblers are square)
But mathematically it means that you take the radius (half the diameter) of a circle, multyply it by itsself, then multyply it by 3.141. That will give you the area of the circle. then multiply that by the depth of the cylinder (stroke) which will give you the volume of that cylinder. then you can multiply that by the number of cylinders, which will give you the total volume. It would look like this for a stock 350 2x2=4x3.141=12.564x3.48= 43.72272(volume of 1 cyl. in cubic inches)x8=349.7816 Total cubic inches in a chev. 350. Now for over size, just adjust the bore accordingly. 40 over would look like this: bore4.040 radius of bore 2.02x2.02=4.0804x3.141=12.8165364x3.48=44.60154667 2x8=356.812373376. Round that to ~357 cubes for a 40 over 350. 


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