sorry im new but how can u tell how many ports u have and how do u port them https://www.nopistons.com/forums/pub...IR#>/dunno.gif

Welcome to nopistons https://www.nopistons.com/forums/pub...IR#>/bigok.gif



Try reading the Rotary FAQ and Rotary Porting threads at the top of the rotary forum.



That would be a great start.

its dependant on what year car, turbo/non-turbo and other things

i have read ( makes me verry confuised https://www.nopistons.com/forums/pub...IR ) i have an 87 n/a 13b and it is gold

i do understand the porting after i read and reread ( takes me a min https://www.nopistons.com/forums/pub...1047683358.gif )