NoPistons -Mazda Rx7 & Rx8 Rotary Forum

- 1st Generation Specific (https://www.nopistons.com/1st-generation-specific-16/)

- - 13b and 12a tranny (https://www.nopistons.com/1st-generation-specific-16/13b-12a-tranny-61442/)

jdm12a

09-01-2006 07:30 PM

basically as stated, will a 12a tranny bolt up if u put a 13b into your car? might sound stupid but i thought i heard that b4

1979rx7

09-01-2006 07:44 PM

Quote:

Originally Posted by jdm12a' post='835373' date='Sep 1 2006, 07:30 PM

basically as stated, will a 12a tranny bolt up if u put a 13b into your car? might sound stupid but i thought i heard that b4

the stater migth be an issue,

make sure the flywheel is the same diameter

kettlman

09-01-2006 11:25 PM

yes.

BeaterRX7

09-05-2006 04:16 PM

Quote:

Originally Posted by 1979rx7' post='835375' date='Sep 1 2006, 07:44 PM

make sure the flywheel is the same diameter

The starter is not an issue, but the earlier RX-7s ('79-82?) use a smaller diameter clutch and flywheel.

kettlman

09-07-2006 01:32 AM

yes, but the tranny is the same. you can use the 13b clutch and flywheel with a 12a tranny.

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