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Old 05-03-2009, 08:36 PM   #28
edcmat-l1
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If 600 fwhp is that easy, wouldn't everyone be doing it?

243 heads, LS6 intake, fairly small cam, very light on the lift. Barely 11:1 compression. I call BS.

There are NOT very many 383s making over 500 rwhp. Actually they are few and far between. Compared to the amount of 403s/408s and bigger.
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