Quote:
Originally Posted by cantcatchmitch
From what ive heard from several of the bigshot ls engine builders (Kurt Urban for example), the splayed main caps of the ls next is much stronger than the ls six bolt skirted block design. The main reason the factory uses the six bolt design is that it keeps the engine quieter. Everything ive read about this block is all positives, except maybe the price.
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The LS engines are "quiter" internally due to the architecture being a much more solid design. The reason the old school cap design is being pulled back out is due to bay to bay breathing being better, thus freeing up some power. It's not a weak design, I just prefer my caps not being able to walk around, without being pinned, or splayed. I agree with you wholeheartedly about the positives.
I've never seen better main bearing wear after 100k miles, than an LS engine.