RX7Club.com - Mazda RX7 Forum - flywheel compatability

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foxfire904

11-22-13 09:22 PM

flywheel compatability

Does anyone know if a 13b lightweight flywheel will fit a 12a motor (as long as I use the correct counterweight)?

KansasCityREPU

11-22-13 10:08 PM

The 1983-1992 lightweight flywheel will fit 12A & 13B

peejay

11-23-13 01:33 PM

There are only two flavors of N/A lightweight flywheel - 215mm and 225mm.

They all work with all engines' counterweights and they work with all N/A transmissions (save RX-8 which is Turbo size). You just need to get the proper clutch for them. 215mm flywheels are flat faced while 225mm have a stepped ring around the outside that the pressure plate bolts to.

Note: You will probably never see a 215mm lightweight flywheel anymore.

foxfire904

11-23-13 01:33 PM

does that mean that it will fit a 12a from an SA?

KansasCityREPU

11-23-13 02:19 PM

Quote:

Originally Posted by foxfire904 (Post 11627573)

does that mean that it will fit a 12a from an SA?

Yes - it will fit. Just use the 225mm clutch and the engine specific counterweight.

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