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Originally Posted by XcYZ
On a related note, I heard or read somewhere that the GM guys are getting a new block approved for Nascar. The cam is raised significantly and the pushrods will only have to be 4" long.
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I heard that too. But I don't remember where. They also said by doing this, they're going to get another 400-500 (just going by memory on those figures, but I think it's on, or close to it) rpm out of the engine,
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Exotic heads are super neat IMO,
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When the Pro-Stock trucks were still running. I remember Lingenfelter testing between the typical arrangement type heads (with I think 12* valve angles) vs. the canted valve type head. He said the canted valve head made more power, and that's what they decided to run.
