Porting Injector castings

[XfireZ51]

Originally Posted by jss06c6

Gents,

Can the Injector castings be efficiently ported while retaining the secondaries?

The secondaries are in the cylinder head, not the injector housing. I guess I don't understand your question.
When I first ported the plenum and the IH, I also port matched the cylinder head runner and the port throttle mechanism remained albeit, tie wrapped open.