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

12a 13b tranny

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Old Jan 12, 2006 | 04:06 AM
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From: riverside county
12a 13b tranny

hey how do u tell the difference between them from the outside. I have 2 gsl-ses and seeing how i might be able to tell once i take the motor n trans out. IF its a se trans or 12a trans
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Old Jan 12, 2006 | 06:52 AM
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From: Socal
Vent on the side of bell housing.
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Old Jan 12, 2006 | 12:25 PM
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From: riverside county
is the vent the 12a or 13b
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Old Jan 12, 2006 | 12:55 PM
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From: Bryan, TX
There is a vent on the side of my 2nd gen tranny.
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Old Jan 12, 2006 | 05:36 PM
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From: riverside county
well the guy i bought the se off of i want to make sure its not a 12a trans when i have to sell it and screw the person and get a enemy. even tho i do have enemies on here is there a diff between 13b fb and 13b fc trans
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Old Jan 12, 2006 | 05:58 PM
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From: St Joe MO
FC trannys have longer shifter housings. If you have a known fb tranny, stand them side by side on the bell housing. The difference will be apparent.
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Old Jan 13, 2006 | 06:35 AM
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From: riverside county
ty
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