Old School and Other Rotary Old School and Other Rotary Powered Vehicles including performance modifications and technical support

identifying 13b

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Old May 19, 2018 | 02:18 PM
  #26  
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Originally Posted by SPENT-IT
It's a 6 port 13B from a 84-85 GSL-SE.


Old School pre-84 13Bs are 4 port. They do not have oil injectors and they have the old school "Mazda" logo on the housings.

As far as mounting any front cover will work the same, it's the cross mount that's diffrent from a 12A mount because the 13B is longer. If my memory serves me right 13B is 22MM longer.
Sorry to bring an old thread from the past, but I have a 13b gsl se 6 port and was wondering would a Renesis front cover bolt up physically to the gsl se front plate? I want to do this mod because this engine will be going into a Rx8 chassis.
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Old Dec 17, 2024 | 09:56 AM
  #27  
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Engine lookup help

I bought a 13B to try and rebuild. It has some compression still but I don’t know what year/ model motor I have. Any info would greatly appreciated.
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Old Dec 17, 2024 | 12:25 PM
  #28  
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From: https://www2.mazda.com/en/100th/
Originally Posted by rotaryfox
I bought a 13B to try and rebuild. It has some compression still but I don’t know what year/ model motor I have. Any info would greatly appreciated.
more pics would be better, looks like an Rx8 to me though
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Old Dec 17, 2024 | 07:44 PM
  #29  
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That looks like a Turbo II oil fill, but there's no corresponding oil feed on the front end.

Pics of the ports side of the engine would be very helpful, That's where the magic is.
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Old Dec 21, 2024 | 11:31 PM
  #30  
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i think that's an MSP (Renesis).
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