1/2 bridgeport
11-02-05, 08:54 PM
#1
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1/2 bridgeport
anyone care to explain this to me? what is a half bridgeport... how do you make it only half of a bridgeport.. and what are the pros and cons of it?
11-02-05, 08:58 PM
#3
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lol. slide or die!
you should ask Rotor8u on the OHR. but you should expect to not have any emissions passing capabilities. the primary ports get the eyebrow. this provides better power than a streetport but its not going to idle well. etc. but its still streetable. a full BP would just not be something i would want to drive on a public road often.
you should ask Rotor8u on the OHR. but you should expect to not have any emissions passing capabilities. the primary ports get the eyebrow. this provides better power than a streetport but its not going to idle well. etc. but its still streetable. a full BP would just not be something i would want to drive on a public road often.
11-02-05, 09:07 PM
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okay so i can bridge the front and rear.. and street the middle.. that should be cool.. i dont care about emmissions.. its a 79 so its exempt... sounds like a plan... and low.... i will let you see it when i am done.. lol
11-02-05, 09:09 PM
#5
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game on! actaully if we can team up a bit, i might need to pump some information from you on side seal clearence. i have a spare s4 13b NA motor i want to 1/2bp.
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11-02-05, 09:19 PM
#8
Even though I have a strong hatred toward tuning a 4 barrel carburetor ( I really love the weber, mikuni, OER etc. 2 barrels,) I bet that a 4 barrel would go well with a half bridge. The 2 primaries can run the streetported intake ports, and the secondaries, which are bigger anyway, can go on the brideported intake. That way you idle better and get easier low RPM driving, and when you open the throttle you get the better power/ better longer intake timing with the bridgeport side.
11-02-05, 09:20 PM
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that sucks.. well i am using a 6 port 13b from a 84-85 gsl se... and using the front middle and rear plates from my 12a... so it will have 13b rotors and housings and 12a irons.. so i will be 1/2 bridgeporting the ends and streetporting the middle.. should be a nice combo.. plus its not my daily driver so i dont have to worry as much.. then i am gonna put a side draft webber on it.. then maybe a couple years down the road i may turbo it.
11-02-05, 09:22 PM
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Originally Posted by theNeanderthol
Even though I have a strong hatred toward tuning a 4 barrel carburetor ( I really love the weber, mikuni, OER etc. 2 barrels,) I bet that a 4 barrel would go well with a half bridge. The 2 primaries can run the streetported intake ports, and the secondaries, which are bigger anyway, can go on the brideported intake. That way you idle better and get easier low RPM driving, and when you open the throttle you get the better power/ better longer intake timing with the bridgeport side.
11-02-05, 11:11 PM
#14
Originally Posted by theNeanderthol
Even though I have a strong hatred toward tuning a 4 barrel carburetor ( I really love the weber, mikuni, OER etc. 2 barrels,) I bet that a 4 barrel would go well with a half bridge. The 2 primaries can run the streetported intake ports, and the secondaries, which are bigger anyway, can go on the brideported intake. That way you idle better and get easier low RPM driving, and when you open the throttle you get the better power/ better longer intake timing with the bridgeport side.
11-03-05, 12:57 AM
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half bridges are AWESOME! a few TII guys here have that setup. BDC ported 
they idle just like a bridgeport, but are fairly streetable. once the turbo spools up.... WOOOHOOO!!! all the way to 9k rpms
they idle just like a bridgeport, but are fairly streetable. once the turbo spools up.... WOOOHOOO!!! all the way to 9k rpms
11-03-05, 01:30 AM
#16
That is my winter, Phase III project. FI, Megasquirt, and an S5 turbo. I just need to figure out which way to go with the throttle body. I have an RB holley intake and the wrap around side draft intake. I'd prefer to use the wrap around style, has a more visually appealing look. Decisions, decisions, what's a fella to do?
11-03-05, 10:01 AM
#17
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Originally Posted by FB II
half bridges are AWESOME! a few TII guys here have that setup. BDC ported they idle just like a bridgeport, but are fairly streetable. once the turbo spools up.... WOOOHOOO!!! all the way to 9k rpms
they idle just like a bridgeport, but are fairly streetable. once the turbo spools up.... WOOOHOOO!!! all the way to 9k rpms
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