NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   Rotary Engine Building, Porting & Swaps (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/)
-   -   12a Center Housing (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/12a-center-housing-33768/)

Drago86 02-13-2004 03:25 PM

Is the 12A center housing a direct swap in on a 13B, in order to be able to get a bigger primary port?

ArmyOfOne 02-13-2004 03:59 PM

Only if its a 84-85 13B because of the location of the coolant seals.



If you need one I have one. (12A sides and center)

Drago86 02-13-2004 06:33 PM

blah, stupid me, i should have thought of that,.. so tthey would work on a Renn though,.. hmm,. that you for the offer but im not rebuilding her yet.

ArmyOfOne 02-14-2004 10:47 AM

I don't think the renesis tingie would work because of the side exhaust.

j9fd3s 02-14-2004 11:26 AM


Originally Posted by ArmyOfOne' date='Feb 14 2004, 08:47 AM
I don't think the renesis tingie would work because of the side exhaust.

yeah you could run renisis rotor housings on 12a steels and have no exhaust!

thafox 02-14-2004 11:30 AM

when i saw tha renisis motor at tha auto show up here it had exhaust ports on tha rotor housings as well they looked as if they were just blocked off with steel plates on tha inside but tha holes were still there and pretty visible.....also gsl-se front cover's fit any 13b with no problem?

ArmyOfOne 02-14-2004 10:33 PM


Originally Posted by j9fd3s' date='Feb 14 2004, 09:26 AM
yeah you could run renisis rotor housings on 12a steels and have no exhaust!

https://www.nopistons.com/forums/pub...1047683591.gif

Drago86 02-15-2004 12:22 AM

I need to just stop posting late at night, i look stupider with every post lol.

Drago86 02-15-2004 12:23 AM

especialy due to the fact that none of my posts were late at night,..

j9fd3s 02-15-2004 12:36 AM


Originally Posted by Drago86' date='Feb 14 2004, 10:23 PM
especialy due to the fact that none of my posts were late at night,..

that might be a problem, maybe you should drink more?


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