Originally Posted by savman1
I'm a dirtracker, and I have a cylinder boring machine. So your saying I can take the time it takes, and make a 305 a 350. According to the specs, they both have the same Rod and main size. The stroke is the same. A 350 bore is 4", and a 305 is 3.736". A 350 rod is 5.7, and a 305 is 5.0. So I guess If I bored .264" out of a standard bored 305, I could have a 350. Will someone please tell me if this is so.
No, you cannot bore a 305 to 350. You'd be lucky to get a block to bore over .060 let alone over .200.
Also, both 305 and 350 use 5.7 rods. We use the 305 X rod as an inexpensive performance rod in 350s. 400 is the only small block with short rods.