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A 350 cc motor that is bored 20 over will have its cylinder diameter increased by 20 thousandths of an inch. This typically increases the engine's displacement by approximately 1-2 cc, depending on the specific engine design and the amount of material removed. Therefore, the new displacement would be around 352-355 cc, depending on the exact increase from the bore.

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1mo ago

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What is the bore of a 350 Chevy motor that has been bored 30 over?

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No a 383 is a 350 with a 400 crank. A 350 bored 60 over is 361 cubes.


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Typically if the motor has been bored the top of the replacement pistons will have it stamped on top of them. for example if bored 0.30 over this will be on the top of the pistons.


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What is a Chevy 350 bored 30 over?

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A 350 engine typically has a standard bore size of 4.000 inches. When it is "bored 30 over," it means the bore has been increased by 0.030 inches. Therefore, the bore size of a 350 bored 30 over is 4.030 inches.


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That depends on the components used. It can vary from around 150 to over 1000.


What is a 355 Chevy motor?

a bored out 350 blockThat answer is right, but it did not answer your question completely.A 355 is a 350 block that has been bored .030 / thousand oversize from factory stock bore. Nothing special.


What is a Chevy 350 bored 40 over called?

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