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Gear Ratios VS MPH for B-series Tranny's

Discussion in 'General Tech and Maintenance' started by khai_tuan_nguyen, Dec 15, 2003.

  1. khai_tuan_nguyen

    khai_tuan_nguyen Senior Member

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    How can I tell what tranny I have. I was told it was an LS, but when i am at 70 mph my speedo is at 4000 rpms. Is there a serial etc on the tranny I can look at?
    Yes my tires are the correct size and the rpms are correct.

    Thanks
    Khai
     
  2. E_SolSi

    E_SolSi Member of the 20 nut club Moderator VIP

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  3. khai_tuan_nguyen

    khai_tuan_nguyen Senior Member

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    That is exactly why i am confused. By looking at that chart it says i do not have an ls tranny. Does anyone else have a b20 vtec with ls tranny and at 70 mph in 5th gear you are at 4000 rpms?
     
  4. khai_tuan_nguyen

    khai_tuan_nguyen Senior Member

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  5. sleeperls93

    sleeperls93 Senior Member

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    I have a b16 tranny and at 70 mph I'm at 3800 rpms
     
  6. jamesA

    jamesA Well known pissed off telephone guy VIP

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    :withstupid:

    I have a B16a2 transmission as well.

    5th gear at 70 mph is 3800 rpm, 80 is right around 4400 rpm.
     
  7. JDMilan

    JDMilan Senior Member

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    refer to what E said.
     
  8. khai_tuan_nguyen

    khai_tuan_nguyen Senior Member

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    I did look at E's guide that is why i am asking you guys. According to E's guide it says an LS tranny at 70mph in 5th gear is in the low 3000 rpms but I was told my tranny is an ls, but at 70 mph in 5th gear it is at 4000. IS there any way i can tell what tranny i have.
    PS the tires are the correct size and the rpms are right.

    Khai
     
  9. jamesA

    jamesA Well known pissed off telephone guy VIP

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    I dunno if there's any markings stamped on the transmissions. I'm willing to bet its a B16 tranny. What kind of engine do you have?
     
  10. jamesA

    jamesA Well known pissed off telephone guy VIP

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    OH, and what kind of car do you have?
     
  11. JDMilan

    JDMilan Senior Member

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    check the stamping on the tranny
     
  12. jamesA

    jamesA Well known pissed off telephone guy VIP

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    I'm sure his next question would be where would the marking be? I know it's in plain site on my old Escort (if you have the air filter assembly out)...but you know honda...doing things all weird and shit...
     
  13. khai_tuan_nguyen

    khai_tuan_nguyen Senior Member

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    It is a b20b with b16 head. 12:1 compression. Yeah that is my next question where is the stamping..

    Khai
     
  14. Fastciv

    Fastciv Member

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    My b16a2 tranny has a VIN tag on it (don't remember which side)...but anyway, I took that number and entered it on carfax. Carfax confirmed that the engine/tranny came from a 2000 Civic Si. This info was provided in the webpage before they asked for my credit card#. Try that.
     
  15. khai_tuan_nguyen

    khai_tuan_nguyen Senior Member

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    Thanks i know what tag you are talking about, but mine does not have it any more. Is it stamped etc. anywhere?

    Thanks
    Khai
     
  16. pissedoffsol

    pissedoffsol RETIRED

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    sc4?
    y1?

    it should have one of those on it...
     
  17. khai_tuan_nguyen

    khai_tuan_nguyen Senior Member

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  18. khai_tuan_nguyen

    khai_tuan_nguyen Senior Member

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  19. khai_tuan_nguyen

    khai_tuan_nguyen Senior Member

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  20. khai_tuan_nguyen

    khai_tuan_nguyen Senior Member

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