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Old 06-18-2010, 09:09 PM
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Originally Posted by ThirdDegree
Does anyone know how much they flow? How alike they are to their 350 counter parts? I have found very few reviews. Mostly bad.
Take a look at POST #478.

This entire thread is a good one, lots of Vortec info, mainly on the L31 5.7 heads, not the L30 5.0L heads, but good nonetheless.
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