Gear Ratios VS MPH for B-series Tranny's

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khai_tuan_nguyen

Senior Member
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
 

khai_tuan_nguyen

Senior Member
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?
 

jamesA

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Originally posted by sleeperls93@Dec 26 2003, 11:30 PM
I have a b16 tranny and at 70 mph I'm at 3800 rpms

:withstupid:

I have a B16a2 transmission as well.

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

khai_tuan_nguyen

Senior Member
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
 

jamesA

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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?
 

jamesA

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OH, and what kind of car do you have?
 

jamesA

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Originally posted by JDMilan@Dec 27 2003, 09:54 PM
check the stamping on the tranny

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...
 

khai_tuan_nguyen

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

Khai
 

Fastciv

Member
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.
 
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