Thread: vortec vs. 882
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06-10-2005 04:59 PM #1
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From what I've learned, the L31 Vortec heads flow better than any other cast iron head that Chevy has ever produced. It's true that they require a Vortec-specific intake, but if you're changin' heads, you're probably gonna change the intake too, right?
The stock L31's are lift-limited to about 0.430" to 0.450", depending on whom you talk to and must be modified to run a higher lift. Scoggin-Dickey sells these heads already modified, or if you have the stock heads already, you can modify them yourself.
They are 64 cc heads, so some provision will have to be made for dished pistons to run them on a 355 or 383 to keep c.r. at a reasonable level for pump gas.Last edited by techinspector1; 06-10-2005 at 05:01 PM.
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