1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

difference between a 12a and 13b flywheel - 1st gen

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Old 01-12-08, 11:16 AM
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difference between a 12a and 13b flywheel - 1st gen

can any of you tell me the main differences between a 12a vs. a 13 b flywheel????

thanks in advance.
Old 01-12-08, 11:49 AM
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they're balanced for different rotors.
82 and older 12a's used a 215mm clutch.
Old 01-12-08, 11:54 AM
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size and weight.
Old 01-12-08, 11:54 AM
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is there any visible differences? Different numbers on it maybe?
Old 01-12-08, 11:58 AM
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here this will help you out.

http://www.mazdatrix.com/faq/flywheel.htm
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