No problem at all

Yes, vortecs are great, but since I'm on the other side of the big pond Vortecs are just as expensive as aluminum heads (which is why I chose edelbrocks).

How would milling the heads turn out?

 

While doing a search here, I stumbled over this great tool by Pat Kelly and Ray Forceno to calculate DCR. I downloaded, installed and ran the programm, here's what came out:

Compressioin ratio
Cyl.: 8
Bore: 4"
Stroke: 3.484"
CC: 64
Head gasket thickness: 0.052"
Head gasket bore: 4.1"
Piston to Deck clearance: 0.025"
Piston type: flat/dished, 13cc

Quench distance: 0,077
Displacement: 350 cui
Calculated static compression ratio: 8,68

Cam timing and overlap
Advertised intake duration: 268
Advertised exhaust duration: 280
Lobe separation: 110
Intake lobe centerline: 106

Seat timing
Intake, open: 28 (ABDC)
Intake, close: 60 (ABDC)
Exhaust, open: 74 (ATDC)
Exhaust, close: 26 (ATDC)

Overlap: 54
Total cam advance: 4

Dynamic stroke lenght
Crank stroke: 3.484"
Rod length: 5.7"
ADV Intake closing angle: 60

Dynamic stroke lenght: 2,874"
Distance of piston from BDC: 1,484"

Calculated Dynamic Compression ratio: 5,409

I fiddled with some numbers, swapping pistons to say 5 cc flattops and headgaskets to Mr. Gasket 0.020 (1130) would do both my static as my dynamic compression good, keeping these heads: 10.1:1 static and 6.42:1 DCR.

However having the heads milled to 61 cc (read somwhere 3cc is about maximum... true/false?) and thinner gasket gets me 9,59:1 static and 5,933 DCR.

The second option allows me to do it myself, the first requires a shop to swap pistons and everything that comes along with that.

What is wise??