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Shelby heads vs. Edelbrock heads
I recently read that the Shelby heads have a 2.250/1.750" valve package, as opposed to the Edelbrock's maximum of 2.19/1.73".
So, is it possible to have TOO much breathing ability? I also haven't priced any of this stuff so if the Shelby is more $$$, would this difference make it worth it?
Just curious.
Ben
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