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Thread: b21a1 tranny in a b18b1 motor?

  1. 04-10-2006, 04:17 PM #1
    TaKashi
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    Question b21a1 tranny in a b18b1 motor?

    hey. i am needing of a helping hand. I got an b21a1 prelude si tranny and i wanna put it on my b18b1 motor. But i dont know if it going to fits. does any one out there know anything about the b21a1 tranny. please post reply
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  2. 04-10-2006, 04:37 PM #2
    Bruce Leroy
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    Quote Originally Posted by EP3_tuner
    the final drive ratio of the DJ25 tranny that comes with B21A1 is a 4.27, short gearing much like that of a gsr tranny.
    I've never heard of anyone using that tranny on a b18 so i cant be positive. Why not sell it and get one that you know will fit??
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  3. 04-10-2006, 08:37 PM #3
    Z0_o6
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    it won't fit. the mounts and everything for a 3rd gen prelude are waaaay different than any other b-series
    Who knows?
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