Street Port and/ or Brigdeport
Hey everyone! im new to the rotary game, and I know what street and bridge port are but how do you get that done ? who do you go see for porting a rotary and is it a big job ? how much does it cost ?
thanks ! :) |
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it's not that cheap unless you do it yourself or have the engine out of the car already. Your paying for someone to remove the engine complete pull apart clean, port put back together and re-install into the car.
i recently got a quote for about 3 grand for a bridge port. |
What is the power advantage to do this job?
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could someone tell me the difference between bridgeport, streetport, and peri-port?
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This page kind of shows old irons and is sort of old, but you get the idea:
http://www.mazdarotary.net/porting.htm |
love the video, how many hours would it take to do a street port? would it be safe to do it with stock twins? i read that in another forum its not, but i plan on getting it tuned after my rebuild
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Sweet I've never potted motor myself before but doin it yourself on the rotary looks easy peasy I can't wait to get mine under way after xmas
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Does the prting affect the temp of the motor in anyway? As I have understood right, usually the cooling chanels are also ported???
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Originally Posted by ramo
(Post 10907266)
love the video, how many hours would it take to do a street port? would it be safe to do it with stock twins? i read that in another forum its not, but i plan on getting it tuned after my rebuild
Since you have an FD, anything that increases airflow through the engine basically means an EMS upgrade. So yes, stock twins are fine for street ports but you you will need to address fuel.
Originally Posted by Wortex
(Post 10907607)
Does the prting affect the temp of the motor in anyway? As I have understood right, usually the cooling chanels are also ported???
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Great videos & Great info, now where do we get those outlines for the porting? lol
:scratch: |
Originally Posted by vl4bad
(Post 10944661)
.....now where do we get those outlines for the porting?
http://www.pineappleracing.com/porti...equipment.aspx |
never really knew the differences thanks
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I would love to build an fc with a p-port
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The actual peripheral porting is fairly easy. Drill hole through rotor housings at appropriate spot, press in sleeve, secure sleeve (tack weld to outside of housing, epoxy around the water jacket). It's the other stuff that complicates it like building a custom intake manifold, and the fact that you need a wide open exhaust to take advantage of the ports. The word "loud" doesn't begin to describe a peripheral port engine set up to make power.
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would street porting an fc mean an ems too or would it entail more changes
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I had a header only on one of my fc's just to get it home. And I couldn't hear anything for a little bit after getting out. And I cranked my rx8 in the shop with only a header on. It was ungodly loud
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Originally Posted by Sgtblue
(Post 10944758)
There are others, but this is one....
http://www.pineappleracing.com/porti...equipment.aspx |
Would it be better to street port the stock 12a in my 83 or should I find a 13b? What would the power difference be?
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cool links! finally understand a little more about rotaries =)
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Is all depend if you go Carb or Turbo guys but some people do evrything,personaly I have a 1st gen streeported and bridge with Carb ant a TurboII just streetported
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This weekend I'm taking my 85 FB 12A and getting it street ported
I can't wait to get in it when its done :D |
Streetport, u can run a large streetport and not compromise driveability, bridgeports have very poor driveability and exccessive noise
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Is it worth it to bridegport a 13b ren? I've seen bridgeported fd3s before and fell in love!
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bridgeport are a hell of an upgrade when u want more power but more for a track car, if u plan on daily driving i would go with a mild or a large streetport. for the most part, the ppl i know with bridgeported rotaries dont daily drive it, street ports are the way to go for daily drivers..great amount of power with the right setup and more reliable than the bridgeport, well it depends on the driver lol
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