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Bored&Stroked · 11-01-2024, 12:02 PM

The main reason I "only" bore to 3 5/16 is that this leaves you about 2 more over bores in the future. If you have a good block (especially if it has extensive port/relief and valve work done to it), you sure won't want to have to pitch it when the bores are worn out. Now, this may not happen in your lifetime, but it can sure happen to the "next guy".

Unless you're all-out racing, the few additional cubic inches are really not necessary - so why bore to the typical 3 3/8 max bore diameter?

11-01-2024, 12:02 PM	#37
Bored&Stroked Senior Member Join Date: Jan 2011 Location: Central Ohio Posts: 5,906	Re: 8BA stroker kit The main reason I "only" bore to 3 5/16 is that this leaves you about 2 more over bores in the future. If you have a good block (especially if it has extensive port/relief and valve work done to it), you sure won't want to have to pitch it when the bores are worn out. Now, this may not happen in your lifetime, but it can sure happen to the "next guy". Unless you're all-out racing, the few additional cubic inches are really not necessary - so why bore to the typical 3 3/8 max bore diameter?