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Thread: Aluminum vs iron block
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04-30-2020 #1
Aluminum vs iron block
I am in the process of an LS swap in my Buick. I currently have a 470ci Buick and want to go 6.2 LS. I am contemplating boring a 6.0 iron block. I am thinking that it would make sense since to go aluminum since we are working on handling. I assume that is why they do not offer iron blocks in Camaros or Corvettes. Can I produce 700 WHP reliably with aluminum? is the weight of the iron block a disability? want is everyone using?
Thought?
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04-30-2020 #2Registered User
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- Aug 2007
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- 645
Typical 6.0 stroker kits bump the 6.0 to 408 ci. Not enough cubes for 700 hp NA. But throw a turbo on it 700 hp is no problem. Alum or iron is a tough call. If you go turbo I think most turbo guys would go iron block. 700 hp isn't going to be easy unless you run something like 454 LS block and have it some what streetable.
Just my .02.
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04-30-2020 #3