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03-20-2002, 07:24 PM

f1ernie

Senior Member

Thread Starter

Join Date: Feb 2002

Location: Canada

Posts: 134

Hi all,I'm probably sounding like an idiot, but I have an "83" 7 & I would like to know, what "port" is it? Also, what is the difference between a "bridgeport","streetport" & whatever kind of "ports" that are available. I'm just not up on it...please educate me.THANKS :dontgetit:

03-20-2002, 08:04 PM

13BAce

Senior Member

Join Date: Nov 2001

Location: Bay Area, CA

Posts: 7,316

Your motor is a 12A with stock ports: 4 intake and 2 exhaust. Here are some explanations of porting options:

http://www.mazdatrix.com/faq/porting.htm

http://mrmazda.members.atlantic.net/....html#APORTING

03-21-2002, 07:23 AM

13b1stgen

Senior Member

Join Date: Jan 2002

Posts: 181

even better still, here's what they look like

mazdaracing.com

03-21-2002, 02:22 PM

dac

Senior Member

Join Date: Oct 2001

Location: Portland, OR

Posts: 790

And the good news is you can PORT it HUGE and get BIG POWER. The bad news is, you can forget about a decent idle or low end power. But the power on top will make up for it all.

Unless you care about Mileage or Emissions.