[jim_howard_pdx]

See what you can get on EBay. Go with an Edelbrock RPM intake manifold if using a carb.

If aluminum is beyond your reach, see if you can locate some World Product Victor Jr heads. These are inline, OUCH, but use 1.97 and 1.60 chevy valves and have a 170 CC intake port that flows pretty nice. I believe the combusion chamber is either 60 or 62 CC.

These are Iron, I used to buy these from PAW for 649.00 Get the RPM manifold and buy some Felpro 1250S gaskets. The S is important. Make sure to get the 1250 "S"......

Then buy a carbide oval cutter, mount it on your electric drill and port match the heads to the gasket. Then mount the heads on the car. If you have hydraulic rollers, make sure they are in first.

Then just lay the intake on top of the head. Mark the centerline of the head's port and the intake's port with a grease pencil and see how well these lines match up unbolted, then put in a couple bolts, does it shift the lines? Just drill out the intake bolt holes to a larger hole size allowing you to keep the centerlines together. Now put the 1250 S gasket on the head surface with HiTack to hold it in place. Make sure it is perfectly centered around the ports you matched to the gasket. Then lay the intake down and mark where your intake will intersect the head surface.
Then pull it off and see how the intake manifold matches vertically. Now you can pull off the 1250 S and using the vertical point match and the centerline port match you can now scribe where the intake needs to be ported to match the heads.

Your carbide cutter will make fast work on the aluminum. Use a rat tail file to smooth the gubbers and you are now port matched. I do the same on the exhaust ports. Make sure you run at least shortie headers of at least 1 5/8 primary tubes. I would look into the Flow Tech headers, and use full length if your car is not lowered. I use shorties because my car is 2 inches lower than stock.......

You can expect 1.0 to 1.1 hp per cubic inch with at least a .480 lift cam. Stock cams are around .445 to 455 lift.

Hope this helps.