Quote:
Originally Posted by Fenix
The cast aluminum block is decent. Consider a cast iron block for a small weight penalty. A built LS engine can achieve the numbers you wrote NA.
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If he is keeping it strictly NA I don't think a cast iron block would be beneficial. The aluminum blocks are proven to add little weight to this chassis, and are durable enough for FI in the future.
600-700 NA is achievable, but will take more than you think to make that at the wheels and still be completely livable on the street.