Call Paul. (Lakes only), as these guys said. He knows more about 460's than the guys that designed it.

You can recite aftermarket part numbers to him with whatever combination and he can tell you whether it will work or not, and/or what part numbers you SHOULD use. This is the one guy you want in your corner on this, and in the future, on 460 builds.

A prime example would be Rivertard. I don't think, in the few years I've know him, he's had a single engine last a season. Normally goes through 2 or 3. I can't think of ANYBODY harder on engines than Mike. The engine he has now, built by Paul, has lasted what? we're going on a year and a half almost?

If I lived in Cali, he's the only guy that would touch my shit. Period. As it is, I'm 6-8 hours away, and so we play phone tag while I buy parts and equipment to measure what he's laying down.
Ray