Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

what transmission did I just buy?!

 
Old 06-01-2019, 02:18 PM
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Default 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
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Old 06-01-2019, 02:48 PM
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Default Re: what transmission did I just buy?!

It's an s20

Ex/Si transmission. Better gearing than the S40.
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Old 06-01-2019, 04:37 PM
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Default Re: what transmission did I just buy?!

awesome thank you man!
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Old 06-01-2019, 04:39 PM
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Default Re: what transmission did I just buy?!

does it have limited slip?
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Old 06-01-2019, 05:42 PM
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Default Re: what transmission did I just buy?!

The s20 code only tells you that itís 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
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Old 06-01-2019, 06:07 PM
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Default Re: what transmission did I just buy?!

Originally Posted by Caoboy View Post
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 View Post
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.


B000 Big bearing case.
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Old 06-01-2019, 08:43 PM
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Default Re: what transmission did I just buy?!

Originally Posted by Adam Ebady View Post
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.
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Old 06-02-2019, 01:09 AM
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Default 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.
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Old 06-16-2019, 07:55 PM
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Default Re: what transmission did I just buy?!

Originally Posted by Honderachinaldo View Post
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?
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Old 06-16-2019, 07:57 PM
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Default 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.
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Old 06-17-2019, 02:53 AM
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Default 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
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Old 06-17-2019, 04:09 AM
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Default 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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