Rotary Engine Swaps Discussion about Rotary Engine swaps in non-factory rotary cars and trucks.

13b into 12a

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Old 06-21-2007, 01:36 PM
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the mounts off of a 13b dont line up with a 12a fb. does anybody know if they make anything to make the 13b fit in it.
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Old 07-26-2007, 12:35 AM
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either modify your current one or buy one from RB.
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Old 09-25-2007, 12:14 PM
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Originally Posted by ddrdkr' post='875789' date='Jun 21 2007, 11:36 AM
the mounts off of a 13b dont line up with a 12a fb. does anybody know if they make anything to make the 13b fit in it.


i would keep it 12a and hook that up, you can gain the same power if known how to do it and it would look nice with the 12a, a more original modified look
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Old 09-25-2007, 12:30 PM
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if you are planning on putting a second gen 13b into your car then pm me, i have the mount and oil pan youll need brand new still in package that i can sell you
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Old 10-11-2007, 04:39 PM
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What year car is the 13B coming from? If an FC or FD, you can typically just abandon the mounts, use the front cover and engine brace from a 12A, and slot the holes a little (13B is longer, and will sit 3/4" further forward than the 12A did).



There's also oil pan problems, but that's best-addressed with a GSL-SE pan, if possible. What do you have, and where is it going?
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Old 11-17-2007, 01:39 PM
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12A and 13B uses the same bellhousing pattern?



Can I put a 13B engine on the tranny from a 12A, or vice versa?



Also, would the 13B's bellhousing bolt to the 12A's gearset?



I was told you can drop a 13B engine/tranny just put the tailhousing from the 12A onto the 13B's gear set and it will work.



Is this true?
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Old 11-19-2007, 02:14 PM
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yes, you can bolt 12a tranny to a 13b motor.
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Old 11-25-2007, 06:47 PM
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So.......I can most likely use a 13B bellhousing as well, if the gearsets have the same design also.
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