Third Generation F-Body Message Boards

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- - Motor bore (https://www.thirdgen.org/forums/carburetors/758226-motor-bore.html)

Gunandrun77

01-02-2019 12:24 AM

Motor bore

I have a 350sbc bored .060 Over what is my new cubic inches??

GeneralDisorder

01-02-2019 01:14 AM

Re: Motor bore

362.5

Generally not considered safe to go .060 over without sonic testing. Walls are often too thin with that large of an over bore. Can lead to cracks which essentially makes the block a boat anchor.

GD

Roblaza

01-05-2019 04:33 PM

Re: Motor bore

As far as I've seen/heard, .040 is about as big as you can safely bore a 350. Key word being safely....sure you can go bigger but as GeneralDisorder mentioned the walls get pretty thin.

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