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Thread: Help identifying cylinder heads
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02-09-2015 03:17 PM #2
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I have to smile to myself whenever someone says this. If you don't have a PhD in Fluid Dynamics or 30 years experience porting heads for a living, chances are pretty good that they'll flow less when you're through with them. Just like a woman's rear, it's all about the shape, not the size. For instance, the Chevy L31 Vortec heads are only 170 cc's on the intake runners, but they will outflow aftermarket heads with larger 180 and even 190 cc intake runners because of their SHAPE.
Originally Posted by donmcgowen
.Last edited by techinspector1; 02-09-2015 at 03:21 PM.
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