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Re: 1968 327 reubuild, vortec heads or not?
Yep, you're lookin at premium fuel from here on out. Also with it be being bored .060 over, be aware that it'll probably run a little hotter, since you're getting close to the water jackets. I personally wouldn't run a small block bored that for over every day. I wish you the best with it. It sure will scream when you want it to.
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