Also keep in mind that the y1 tranny is just as old as your tranny on your car plus or minus a year or two. B16a1 trannys came as either y1(civic/crx sir) or s1/j1(Integra Xsi). So just because you change out the tranny does not mean it wont also grind just as bad. You might want to look into getting the 92-93 usdm gsr tranny (forgot code) they are a bit newer and are geared well for NA. Since its usdm you can also buy a replacement third gear and syncro set (expensive). If you havent already try using Honda MTF fluid it helped out my bad third gear a bit. HTH
KJ
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Objects in mirror are losing.
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Don't bother giving me "rep", I won't return it and I think it is stupid.
Gracie Barra Clearwater
Gyms in Clearwater, St. Pete and Port Richey
pm me if you are interested in trying a free class at any of the gyms.