389 2 bolt main block capacity
January 24, 2009 04:58AM
I have a 66 389 block that I am planning to bore out to 400 std. It is a 2 bolt block and I am trying to get a handle on how much HP to try to get out of this 2 bolt.

I am not going for the ultimate hot rod, just a good street machine. I will put forged crank and rods in the block. Looking for 400 - 425hp?

Anybody got experience with this.

Ray Overstreet
Austin, Texas
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