what tranny is stock in a 91 civic si?

Smh so my dx that says l3 is now a si trans?
Even tho I'm at 75mph its at 3250rpms
This link will help if trans isn't in the car
https://honda-tech.com/forums/honda-crx-ef-civic-1988-1991-3/what-look-identify-si-tranny-1551508/
Op if the trans is in the car 75 mph si trans should be at 3500rpms dx would be 3250rpms
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also depends on the spine count. i believe mines 21? L3 is the code, but i think thats marked on all d-series trans?
Check the spine count to make sure. that'll make or literally break it
Check the spine count to make sure. that'll make or literally break it
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