NoPistons -Mazda Rx7 & Rx8 Rotary Forum

NoPistons -Mazda Rx7 & Rx8 Rotary Forum (https://www.nopistons.com/)
-   Rotary Engine Building, Porting & Swaps (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/)
-   -   Talk To Me About Peripheral Porting (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/talk-me-about-peripheral-porting-13758/)

DJ Rotor 03-13-2003 09:53 AM

So apparently it's quite easy to make your own peri housings, just drill a big hole and press in an aluminum sleeve. And I suppose drill/tap holes for the manifold.



What is done with the ports in the side plates? Obviously filled but with what?



Are there intake manifolds available or would that be strictly custom?



How much power would a guy be looking at out of a 13B? 12A?



J

93 R1 03-13-2003 10:24 AM

A **** ton of power. But not too streetable from what I've heard.

j9fd3s 03-13-2003 12:48 PM

na 13b's will make about 320hp, streetable is relative, but the pp is gonna be a little hardcore for a driver.



mike

rx7machine 03-13-2003 12:52 PM

13b n/a's will make 320hp for just the peripheral porting job? https://www.nopistons.com/forums/pub...DIR#>/ohmy.png

DJ Rotor 03-13-2003 01:00 PM

would be a weekend car then . . . if i actually did this . . .



hmm could just dip into the elevens https://www.nopistons.com/forums/pub...#>/biggrin.png



J

j9fd3s 03-13-2003 03:26 PM


Originally Posted by DJ Rotor' date='Mar 13 2003, 11:00 AM
would be a weekend car then . . . if i actually did this . . .



hmm could just dip into the elevens https://www.nopistons.com/forums/pub...#>/biggrin.png



J

i drove a big bridge port rx3, and you could drive it to work, but i'm not sure you would want to.



mike

Baldy 03-13-2003 03:28 PM

what is undriveable about a bridge port? I always hear "rough idle" and such, but I haven't read specifics.



and what about bridging the 5th and 6th ports...affect driveability?

75 Repu 03-13-2003 03:29 PM

I heard they have bad low end that is what makes then not so streetable, and they are loud as hell..

Racer X 03-13-2003 03:31 PM


Originally Posted by DJ Rotor' date='Mar 13 2003, 07:53 AM
So apparently it's quite easy to make your own peri housings, just drill a big hole and press in an aluminum sleeve. And I suppose drill/tap holes for the manifold.



What is done with the ports in the side plates? Obviously filled but with what?



Are there intake manifolds available or would that be strictly custom?



How much power would a guy be looking at out of a 13B? 12A?



J

WTF?Peri porting is easy?Thats a first.Not streetable but still.For a weekend warrior that would rule.

DJ Rotor 03-13-2003 03:53 PM

Easier than what I thought it would be - mainly in the $$$ department, as apparently you don't really need to buy custom or factory peri housings, you can modify regular housings.



Bridging the 5th and 6th port is the other thing I was thinking about, and might still do - that would be totally streetable. Just wouldn't have nearly the power.



mmm



power



https://www.nopistons.com/forums/pub...1047683894.gif peripheral



Anyways - back to filling the side housing ports, and finding manifolds . . . ???



J


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