Okay, then YOU name the damn things!

Right now I got a couple questions: VW heads are nearly pure
aluminum. I've got a pile of the things but odds are, every single
one of them is worth a $25 bill... or will be. Point is, I don't much
care for the idea of cutting them and melting them down.

When I make something SERIOUS out of aluminum I usually use old
pistons, which is a pretty hard alloy with a MUCH lower heat-transfer
ability than VW heads.

So what's a good alloy? Ideally, something cheap & commonly available
(and doesn't say 'Coors'!)

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Second question: Rocket Man heads needum' rockers. I wuz thinking of
using Chebby 1.3 break-in rockers. Any better ideas? (Or rather,
any ideas at all?)

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-Bob