www.RX7fb.com

Guys,
I have a 1985 gsl-se with a 13B fuel -injection motor and my question is how do I know if my motor is a 4 port or a 6 port exhaust engine.

thanks

They were all 6 port unless someone's made a hybrid. Correct me if I'm wrong.

Take a look at the intake runners.

Tool,
1st thing I'll check tomorrow, thanks