Originally posted by Flapoc-pres
The mazdaspeed proteges isn't that fast only pushing a mere 6psi.
The engine isn't that strong, goodluck uping the boost.
The engine is the same as the non turbo protege.
The FSDE rods are "thought" to be done at about 15 psi on a well sized turbo. It's *weak* when compared to other mazda pistons motors, but still stronger than your typical import 4 banger.