Just showing alittle port matching work i'm doing to my buddy's motor.
This is a skunk2 70mm throttle body and Jg victor x manifold.

before porting/boring: Looking at it, this won't give it a good flow.

measuring the throttle body, 70mm using a micrometer

let the porting/boring begin


measuring the intake manifold bore; measure at 70mm

after it's done, this is what it look like


This process is time consuming: But it will give you a better flow. Remember to clean the metal shaving.

awesome job. sincere congrats!

thanks