New Magnum heads for 347 with Flow data

Hebrews10:26 said

If you end up at the same port volume as an LA head when done, was your choice of these heads based on chamber alone? Cost? ? or ?

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First of all I am leaving the port as it is now right @ 160cc's. My choice to use these heads was based on:

1. I could easily get these heads as they are new and inexpensive.$285.00 CDN
2. To illustrate the difference between '302's used on previous 347 and Magnums

I will ask you a question regarding port volumes-What is the port volume of an LA head? J.Rob