NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   N/A 20Bs, what would they do? (https://www.nopistons.com/20b-forum-51/n-20bs-what-would-they-do-7840/)

DJ Rotor 11-14-2002 04:05 PM

Carb'd, and with a mild street port? How about bridgeport? What power could one expect?

mkoch1 11-14-2002 06:58 PM

I may be way off but I though somebody said a na 3 rotor with a mild port makes about 300hp.

Turbo II 11-14-2002 11:20 PM

it depends with the weight of the car too. what car r u planning on doing? and also how its tuned

DJ Rotor 11-15-2002 08:28 AM

I had thought 300hp for a mild port as well.



This would be going in my GSL-SE.



Estimated 1/4 times, just for amusement's sake:



20B GSL-SE, mild street port: 12.2

same with 100 shot: 11.1

if a bridgeport would put out around 400hp, also 11.1

BP w/100 shot: 10.3



All under ideal conditions of course.



I think that would shut up some of the musclecar boyz around here.



I can only imagine the gas mileage with a BP 20B though . . .

j9fd3s 11-15-2002 11:59 AM

thats about right. and you have to remember the 20b has a lot more low end than the 2 rotors do so even a large port would still be drivable



mike


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