Question: I have always ported my engines in my garage with a air compressor, I lost my house and now live in a apartment. Do you guys have good electric die grinder you could recomend with a pencil style attachment? Thanks

 

makita brand die grinder. 28,000 rpms

 

what is the difference (if any) from the intake opening & intake closing between the primary's & secondary ports?

Can you set up these different or should they be the same, even though the primary port is physically smaller.

Jay

 

Should the opening edge of the Inlet (where it meets the runner) be knife edged? or should it have a radius?

 

This thread was very helpful! props.

 

So this port is superior on a street car, bc I've been told & read that stock ports achieve the most low end torque