Customer saw our previous port job on the RBC manifold and asked us to perform the same for his Skunk2.

https://www.tamparacing.com/forums/p...ttle-body.html

Here are some before pics of Skunk2's IM. Notice the 2 casting impressions and 2 rivets in and through each and every runner.

I used the Hondata Intake manifold spacer for port matching.









Clear pic of the rivets inside of every runner:







Intake manifold before:



Intake manifold after:



Throttle body plate before/after polishing:



Throttle Body before/after porting:









Ported runners: