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I just added 1g intake and my friend has cyclone intake. Go with 1g intake. It matches and go with 1g 60mm throttle unless you can go bigger with aftermarket. Dont use the throttle from cyclone. Get rid of egr. Use cellulose for 2 gaskets on throttle. Never have vacuum problems then. Better material and all you have to do is cut out. Check FIAV and IAC because you want the car to idle. You will have to re-tune ISC. Match the intake to 1g cylinder and port the runners. You will be happy with the top end hp and gains. If you need 1g cylinderhead look for used one at salvage, but check for cracks, make sure sparkplug holes are not stripped, etc. Also check valve cover screw holes. I don't know about the gains with 2g head, plus intake side of cylinder will not match. Get a lot of gains deep inside the runners with 1g. Hopefully this is helpful to you.
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