Quote:
Originally Posted by truckster
Great engine. In addition to the external balance, the cylinders are siamesed, and the heads need to have steam holes, but you can take a 350 head (like a vortec) and drill them.
They are less forgiving than some if they're overheated, so make sure your cooling system is up to snuff.
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Huh? Now you're talk'n a foreign language! LOL! Thats what I heard years ago that they had overheating problems. Does the machine shop do the drilling on the heads?