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Originally Posted by rogco
what about the l92 heads the same as the 6.2 heads i hear they make a big difference too but you have to change the intake manifold tho
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That would make a whole lot more sense than LS6 heads...you will need a new intake and rocker arms for the new heads and you'd be better off getting a cam specifically for the rectangular port L92/LS3 heads.
If you're going to the trouble of a head and cam swap the L92s and a cam are the route I'd go.
I researched building everything up to a 427 stroker with the L92/LS3 heads and a Magnusson supercharger. Once I went with the new block, forged internals, stroker kit, heads, cam, headers and supercharger I was well on my way to the cost of a DMax conversion, which is the route I'll be going. Didn't make sense to spend a ton of money on a gas motor that was slower than and got worse gas mileage than a diesel. And diesels make it soooo easy to turn up the power.