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/)
-   -   12a Vs 13b (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/12a-vs-13b-34503/)

j9fd3s 02-25-2004 06:04 PM

front housings

https://www.nopistons.com/gallery/al...l_DSC00824.JPG



https://www.nopistons.com/gallery/al...l_DSC00826.JPG



middle



https://www.nopistons.com/gallery/al...l_DSC00821.JPG



t2, vs na, vs 12a



https://www.nopistons.com/gallery/al...l_DSC00828.JPG



12a port vs my brother! notice how much taller my brother is? more gas flow too https://www.nopistons.com/forums/pub...DIR#>/wink.png



https://www.nopistons.com/gallery/al...l_DSC00831.JPG

ColinRX7 02-25-2004 06:07 PM

Cool stuff.. What is that 13B / 12A (first picture) comparison.. The 1st gen 13B or the 2nd gen? Or is there a difference?

Saturnine 02-25-2004 06:07 PM

Ahh.. i wore those pants again today.

j9fd3s 02-25-2004 06:08 PM


Originally Posted by ColinRX7' date='Feb 25 2004, 04:07 PM
Cool stuff.. What is that 13B / 12A (first picture) comparison.. The 1st gen 13B or the 2nd gen? Or is there a difference?

its an fc 13b

ColinRX7 02-25-2004 06:09 PM

So the plating is different on the GSL-SE 13Bs?

j9fd3s 02-25-2004 06:11 PM

https://www.nopistons.com/gallery/al...l_DSC00822.JPG

j9fd3s 02-25-2004 06:11 PM


Originally Posted by ColinRX7' date='Feb 25 2004, 04:09 PM
So the plating is different on the GSL-SE 13Bs?

i think it is but i didnt check

ArmyOfOne 02-25-2004 06:43 PM

Please don't beat me for the question but...



Do both first and third gen engins have the coolant seals on the rotor housings?



Hey! I warned you it may have been a dumb question so keep your promise please.



https://www.nopistons.com/forums/pub..._DIR#>/sad.png

kahren 02-25-2004 06:46 PM

fd is the same as the fc , the rx8 is however like the 12a

Drago86 02-25-2004 07:39 PM

FC 6th ports are bigger then the gsl-se ones, thats the differance


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