fastang:
I wouldn't even try the gasket match myself. The aluminum is MUCH softer than you think. One slip up with the dremel and you could be creating problems for yourself. I would spend a couple hundred dollars and have them done right...you wouldn't want to end up screwing up $1,000 pair of heads.
The best porting job would be CNC. Like Fox Lake does.
If the 347 is in the NEAR future, then go ahead and get them ported to stage II. What are they qouting for flow numbers on the stage 2 port?
E
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1991 5.0 LX Coupe - 38,000 miles
13.17 @ 106.14 mph w/ 2.138 60'
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