I'm looking to port the 13B N/A. Want power but also reliability. Bridge port would be nice, but I'd compromise reliability. Street port is a lil' too weak, is there a mix of both. I know they can do a 1/2 port. Between a street and a standard side port, but does anyone know if they can do a 1/2 bridge port? If so, who does it?

 

http://www.mazdaracing.com/engines.htm

They have pics of several ports... and descriptions of several others.

Fikshun

 

This question gets asked at least once a week. I'm sure a search will reveal many answers but you're new so we can let it slide. No bridgeport on a 6-port engine. That motor flows like crap compared to the 4 ports. The intake manifolds are too restrictive for a bp and the exhaust sucks. Streetport isn't all that weak when everything is done properly. My streetported 1st gen GSL-SE runs dead even with my friends stock T-II and all I have in addition is an exhaust. No cone filter, msd, nothing! Get a 4 port turbo engine and use your n/a rotors to keep the compression high. Then do a half bridge. Use a nice header setup, get some better flowing intake manifolds, dump the stock ecu. Then you'll notice some big gains. Just don't do a bp on a 6-port engine.

 

Are there any companies out there that can ship me a half bridge 4 port motor?

 

yes there is look around