What's a "bridgeport"?
12-19-01, 08:12 PM
#1
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What's a "bridgeport"?
I found a website with a couple videos of a mighty mighty FC. It idles like ****, but it pulled like an F1 car on the dyno. They said it had "bridgeport."
Sooo, to cut down on word count and to get to the point, what's a bridgeport?
Sooo, to cut down on word count and to get to the point, what's a bridgeport?
12-19-01, 08:22 PM
#2
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A bridge port is a type of porting you can do to the intake side of the engine.
http://www.mazdatrix.com/faq/portbp.htm
That is what it looks like
-Zach
http://www.mazdatrix.com/faq/portbp.htm
That is what it looks like
-Zach
12-20-01, 03:59 AM
#3
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makes power higher up the rev range than a normal port or a street port does, pulls like a train from 4500 to 9000ish depending on the size and sepc of the turbo that it is flowing into
12-25-01, 12:24 AM
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Im gettin my engine rebuilt and I was thinking of getting it bridgeported or at least street ported or something.
I know bridgeporting is better than street porting, but does bridgeporting lower the life span of the engine or does it do any harm to the engine?
thanks
I know bridgeporting is better than street porting, but does bridgeporting lower the life span of the engine or does it do any harm to the engine?
thanks
12-25-01, 01:14 AM
#7
Originally posted by West TX RX-7
What website had the videos you looked at?
What website had the videos you looked at?
http://home.attbi.com/~node10/soulbridgeidle.wmv
Last edited by Node; 12-25-01 at 01:34 AM.
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12-25-01, 07:43 AM
#8
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Originally posted by Snufelupogus
Im gettin my engine rebuilt and I was thinking of getting it bridgeported or at least street ported or something.
I know bridgeporting is better than street porting, but does bridgeporting lower the life span of the engine or does it do any harm to the engine?
thanks
Im gettin my engine rebuilt and I was thinking of getting it bridgeported or at least street ported or something.
I know bridgeporting is better than street porting, but does bridgeporting lower the life span of the engine or does it do any harm to the engine?
thanks
12-27-01, 08:12 AM
#9
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You should be happy with a streetport/exhaust port as a daily driver. The bridge port does significantly lower the life of your motor since the corner seal has only has that little bit of clearance to go over so it won't fall into the intake port.
But do what you want! If you can do it yourself and have access to a lot of intermediate/end housings and can rebuild them in one day, well then go ahead
But do what you want! If you can do it yourself and have access to a lot of intermediate/end housings and can rebuild them in one day, well then go ahead
12-27-01, 09:26 PM
#10
Old [Sch|F]ool
Originally posted by jspecracer7
You should be happy with a streetport/exhaust port as a daily driver. The bridge port does significantly lower the life of your motor since the corner seal has only has that little bit of clearance to go over so it won't fall into the intake port.
You should be happy with a streetport/exhaust port as a daily driver. The bridge port does significantly lower the life of your motor since the corner seal has only has that little bit of clearance to go over so it won't fall into the intake port.
On the other hand, if anyone can show hard data, I'm listening.
12-28-01, 01:31 AM
#13
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How does the the p port sound at idle? I am building a p port 12 A now for my rx-3 SP, but I have never heard one run. Since there is so much overlap do they realy sound choppy? Any ways I think I am going to have it running by spring break and I will make sure to get a vid of it running on here.
CJG
CJG
12-28-01, 03:00 AM
#14
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i'll upload a mp3 of a 13B PP for ya
you are missing out on the most glorious exhuast note ever produced
take a wiff of this
http://www.geocities.com/rowdyrotary/paulrx4.wav.mp3
you are missing out on the most glorious exhuast note ever produced
take a wiff of this
http://www.geocities.com/rowdyrotary/paulrx4.wav.mp3
Last edited by HWO; 12-28-01 at 03:10 AM.
12-28-01, 07:21 PM
#16
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try
http://www.geocities.com/rowdyrotart...pheralport.mp3
you need to download it, copy and paste it into gozilla or similar
http://www.geocities.com/rowdyrotart...pheralport.mp3
you need to download it, copy and paste it into gozilla or similar
12-28-01, 07:29 PM
#17
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Originally posted by HWO
try
http://www.geocities.com/rowdyrotart...pheralport.mp3
you need to download it, copy and paste it into gozilla or similar
try
http://www.geocities.com/rowdyrotart...pheralport.mp3
you need to download it, copy and paste it into gozilla or similar
paw@ite.com
I can't right click and save it...nor can I link straight to it...
Maybe I am just slow..(or is it.."I think the clock is slow..")
Patrick
12-28-01, 07:55 PM
#18
Old [Sch|F]ool
You can't link directly to files with GeoCities. The only way to get a pic or sound or video off of a GeoCities site is if it's linked from a GeoCities page.
Hence... go to http://www.geocities.com/izzmus/evilengine.html and go to the bottom and click on "Drivin' around cold". That's not even a bridge port, it's a mild street port.... if the idle mixture is too rich it'll start to brap brap brap, etc. Us non-bridge types only have cool sounding engines for the 10-15 minutes it takes for it to warm up
Or go to /images/ and click on gargle.wav (it's not linked from a page), that's what it was like when dead stock... (you can hear the exhaust popping too )
If you want an insane sounding engine, try to find footage of the 787B, from Sevenstock. Short, very wide spaced brap... brap... brap... and then when it revs it sounds like a 1/2" air impact gun! Peripheral port four rotor...
- PJ ('7-less since Christmas...
)
Hence... go to http://www.geocities.com/izzmus/evilengine.html and go to the bottom and click on "Drivin' around cold". That's not even a bridge port, it's a mild street port.... if the idle mixture is too rich it'll start to brap brap brap, etc. Us non-bridge types only have cool sounding engines for the 10-15 minutes it takes for it to warm up
Or go to /images/ and click on gargle.wav (it's not linked from a page), that's what it was like when dead stock... (you can hear the exhaust popping too )If you want an insane sounding engine, try to find footage of the 787B, from Sevenstock. Short, very wide spaced brap... brap... brap... and then when it revs it sounds like a 1/2" air impact gun! Peripheral port four rotor...
- PJ ('7-less since Christmas...
)
12-28-01, 08:50 PM
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Originally posted by peejay
You can't link directly to files with GeoCities. The only way to get a pic or sound or video off of a GeoCities site is if it's linked from a GeoCities page.
Hence... go to http://www.geocities.com/izzmus/evilengine.html and go to the bottom and click on "Drivin' around cold". That's not even a bridge port, it's a mild street port.... if the idle mixture is too rich it'll start to brap brap brap, etc. Us non-bridge types only have cool sounding engines for the 10-15 minutes it takes for it to warm up Or go to /images/ and click on gargle.wav (it's not linked from a page), that's what it was like when dead stock... (you can hear the exhaust popping too )
If you want an insane sounding engine, try to find footage of the 787B, from Sevenstock. Short, very wide spaced brap... brap... brap... and then when it revs it sounds like a 1/2" air impact gun! Peripheral port four rotor...
- PJ ('7-less since Christmas... )
You can't link directly to files with GeoCities. The only way to get a pic or sound or video off of a GeoCities site is if it's linked from a GeoCities page.
Hence... go to http://www.geocities.com/izzmus/evilengine.html and go to the bottom and click on "Drivin' around cold". That's not even a bridge port, it's a mild street port.... if the idle mixture is too rich it'll start to brap brap brap, etc. Us non-bridge types only have cool sounding engines for the 10-15 minutes it takes for it to warm up
Or go to /images/ and click on gargle.wav (it's not linked from a page), that's what it was like when dead stock... (you can hear the exhaust popping too )If you want an insane sounding engine, try to find footage of the 787B, from Sevenstock. Short, very wide spaced brap... brap... brap... and then when it revs it sounds like a 1/2" air impact gun! Peripheral port four rotor...
- PJ ('7-less since Christmas...
)
Some nice sounds. I thought my FD sounded rough....(I am still not used to the sound of a rotary engine....)
Patrick
12-30-01, 03:29 AM
#20
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Originally posted by pweizman
Can you email it to me?
paw@ite.com
I can't right click and save it...nor can I link straight to it...
Maybe I am just slow..(or is it.."I think the clock is slow..")
Patrick
Can you email it to me?
paw@ite.com
I can't right click and save it...nor can I link straight to it...
Maybe I am just slow..(or is it.."I think the clock is slow..")
Patrick