1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

bridgeport 12a?

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Old 12-23-03 | 03:30 PM
  #101  
fitzwarryne's Avatar
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From: Cloud Nine & Peak of God
heb09- its interesting your peak is at 7,500rpm which is more like that of a streetport. Also the Holley is smaller than many on bridgeports.

It suggests you have a 1/2bridgeport rather than a full bridgeport. The 1/2 set-up is designed to have torque come in strong at a much lower level round the 4,000rpm mark giving about 205-215fwhp say 170 at the wheels.

I believe its prefered by circuit racers as against the 1/4 mile racers who go for the bridge or jport. Thus its reasonably streetable.

Last edited by fitzwarryne; 12-23-03 at 03:34 PM.
Old 12-23-03 | 09:35 PM
  #102  
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From: Australia
I wish i knew for sure! lol.
I know its a tame bridgeport because sometimes it idles just above 1000rpm when its not going brap brap. When driving as long as I keep the revs above 2000rpm, it wont rock or anything
Old 02-18-04 | 04:03 AM
  #103  
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From: Australia
its definitly a full bridge
Old 02-18-04 | 07:48 AM
  #104  
karism's Avatar
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From: Northern South Africa
Sheesh! I leave the thread for 2 secs and there is 50 more posts!

Now rememeber guys : I`am still running the Nikki,with some jet changes.

Thats the reason for my "good" fuel consumption.

HEB09 : I dont want to call you a liar ,but the consumption is really super good and its difficult to imagine how it could be achieved with a 465 Holley.

12A Brideport with 600CFM Holley will make 250hp according to Racingbeat.

I`am happy to see that everyone isnt Turbo this and Turbo that.

NA Rotaries allso deserve conversation rights

Take care.

Karis
Old 02-18-04 | 10:40 AM
  #105  
deeman111's Avatar
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From: Perth, Western Australia
heb.. i have a 12a bridgeport i recently built. It idles with a nice brap at 2000rpm, i had the idle at 1000 and it sounded like it wanted to die... well it did stall a few times.

Its currently not set up right, i need a holley blue pump and regulator, and some bigger jets on my webber (currently 190 fuel, was told i need 200 or 220). Next time i fill up ill reet the odometer and see what i get.

Oh and i dont hit the power till about 4000, then i pulls hard till 7k when i run out of fuel.... damn stock fuel pump


All in good time
-James
Old 02-18-04 | 07:43 PM
  #106  
Siraniko's Avatar
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From: Socal
My bro’s RX-2 is equipped with a big bridgeported 3rd gen block/GSL-SE internals and 51 IDA. I idles around 1200 flat using drilled out idle jet to appx 80. No dyno or track time yet since he still need to break it in. It has been almost 2 years since the engine was built but he has no time to play plus he lives 1 hr away from me.
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