port work/first rebuild

David Jerome · 06-21-2008, 06:17 PM

Looks great, on the 3rd picture near the closing edge of the port(bottom in your picture but in reality the top of the port), look at where the runner for the port transitions. Grind as much of that away as possible to make a smooth transition for the air flow. Also "back cut" the opening edge(long edge) of the port by making it flow smooth with the runner. While doing this make sure not to let the porting tool hit near the oil control ring path on accident and cut into it.

It really looks great honestly, sorry I didnt reply sooner I missed this thread.

David

06-21-2008, 06:17 PM	#8
David Jerome RCC Contributor Join Date: Jan 2008 Posts: 713 Rep Power: 18	Looks great, on the 3rd picture near the closing edge of the port(bottom in your picture but in reality the top of the port), look at where the runner for the port transitions. Grind as much of that away as possible to make a smooth transition for the air flow. Also "back cut" the opening edge(long edge) of the port by making it flow smooth with the runner. While doing this make sure not to let the porting tool hit near the oil control ring path on accident and cut into it. It really looks great honestly, sorry I didnt reply sooner I missed this thread. David __________________ David Jerome Broker for Speed For Sale LLC (David@SpeedForSale.com) (Pre-owned RX7/sports car sales & new parts sales/installs/tuning) PM me about low priced, high quality port work