Originally Posted by gmtony55
thanks cobalt..extremely good info. I will need an adapter because it had a holley on it before.
I been reading up on porting heads, It doesnt look hard to do at all just time consuming work. but I recarpet boats on the side so I am used to that..Do you think I should bother with that? porting that is.
Smoothing and blending the lip that's just below the seat helps (see arrows below). I wouldn't go much beyond that and cleaning up any casting flash or irregularities, though. Once you get in too far you can easily do more harm than good unless you're experienced.
Click on image for an article w/some porting info: