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-   -   what transmission did I just buy?! (https://honda-tech.com/forums/honda-civic-del-sol-1992-2000-1/what-transmission-did-i-just-buy-3337527/)

Adam Ebady 06-01-2019 02:18 PM

what transmission did I just buy?!
 
I went to a guy who had a bunch of Honda parts for a muffler and I ended up buying a transmission as well he said that it was a p20 and that it would provide more power on the low end but I'm trying to figure out what it came out of let me know if you guys have any insight
https://cimg9.ibsrv.net/gimg/honda-t...8da3a4928a.jpg

Caoboy 06-01-2019 02:48 PM

Re: what transmission did I just buy?!
 
It's an s20

Ex/Si transmission. Better gearing than the S40.

Adam Ebady 06-01-2019 04:37 PM

Re: what transmission did I just buy?!
 
awesome thank you man!

Adam Ebady 06-01-2019 04:39 PM

Re: what transmission did I just buy?!
 
does it have limited slip?

White_EG1 06-01-2019 05:42 PM

Re: what transmission did I just buy?!
 
The s20 code only tells you that it’s 92-95 year specific. There should be a label on the trans that says a0000 or b0000. The A is a dx and the b is ex

Chrisfrom1986 06-01-2019 06:07 PM

Re: what transmission did I just buy?!
 

Originally Posted by Caoboy (Post 51942583)
It's an s20

Ex/Si transmission. Better gearing than the S40.

S20 92-95 aluminum shift forks (usually broken)
S40 96-00 steel shift forks

A000 is cx, vx, dx, lx. 35mm diff bearing
B000 is ex, si 40mm diff bearing

This code is stamped near the passenger axle output on the case.


Originally Posted by 94EG8 (Post 37431640)
Check the stamp in the transmission case. A000 Designates a small bearing case (CX/DX/LX/VX) and B000 designates a big bearing case (EX/Si/JDM D15B Vtec) The only caveat is that I believe the HX coupes also used a big bearing case. Below are pics of the identifying stamps.

A000 Small bearing case.
https://i234.photobucket.com/albums/...F5016Large.jpg

B000 Big bearing case.
https://i234.photobucket.com/albums/...F5024Large.jpg


JRCivic1 06-01-2019 08:43 PM

Re: what transmission did I just buy?!
 

Originally Posted by Adam Ebady (Post 51942610)
does it have limited slip?

Not from the factory. If you look through either axle opening toward the opposite axle opening and you can see a 1/2" diameter metal rod crossing through the middle of the axle passage way... it is NOT an LSD transmission.

Honderachinaldo 06-02-2019 01:09 AM

Re: what transmission did I just buy?!
 
You know? The Ds are more limited by gear ratios than the actual motors. My B000 is still pretty tall geared for a motor that needs rpms to move, not a lot of leverage with that 4.25ish final.

Adam Ebady 06-16-2019 07:55 PM

Re: what transmission did I just buy?!
 

Originally Posted by Honderachinaldo (Post 51942714)
You know? The Ds are more limited by gear ratios than the actual motors. My B000 is still pretty tall geared for a motor that needs rpms to move, not a lot of leverage with that 4.25ish final.

so it's an s20 b000, what do you mean its "tall geared"?
one thing I have noticed is that in the transmission currently in my car has no power in the high gears and high rpms, what does that mean?

Caoboy 06-16-2019 07:57 PM

Re: what transmission did I just buy?!
 
Probably means it’s a stock D series and is weak as a baby trying to push a car uphill. But the baby might have more power than a stock D series.

Honderachinaldo 06-17-2019 02:53 AM

Re: what transmission did I just buy?!
 
The B000 has the sporty gears, they are shorter geared, numerically higher. Car will accelerate more quickly w B000

chrysler kid 06-17-2019 04:09 AM

Re: what transmission did I just buy?!
 
My favorite engine/trans combo so far was an hx with a jdm s20 transmission. It had (for a honda) low end torque and was always in the lean burn target rpms. It also made the car feel fast like an ex when I needed to floor it. It would also get better fuel economy around town


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