Quote:
Originally Posted by Unreal
That being said, LSA motors can make 640hp with tune/headers/intake easy enough.
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New LT1/LT4 series of motors isn't about peak HP/tq numbers but greatly increased power under the curve from idle to the peak. Sure you can build a motor that makes same or more, but going to be hard to get one that has such a power curve and can get 30mpg in a C7 cruising down the highway.
Not to mention after these motors have been around for a few years and the aftermarket does their magic. Wouldn't surprise me if the LT4 is easy to get 800 peak numbers out of with a few tweaks and bolt ons.