4spd to 5spd EF conversion question

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Old Jul 2, 2011 | 08:10 PM
  #1  
CookieJr's Avatar
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Default 4spd to 5spd EF conversion question

Hey guys,
I'm looking to buy an EF Sedan and slam it to the ground. The only problem is that I'm having troubles finding one. I found a cleeeaaan '89 civic sedan for $1200, but it's only a 4 speed.
I've tried finding an answer, but maybe I'm stupid or something. What would I need to do in order to swap in a b16a1 into the car? How difficult would it be to do this swap from 4 speed to 5 speed?
If anyone can help, it'd be awesome.
Thanks guys!
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Old Jul 2, 2011 | 10:46 PM
  #2  
mdeserteagle50's Avatar
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From: Richmond, Va
Default Re: 4spd to 5spd EF conversion question

At the top of the Forum you just posted in has a sticky that says "CRX and Civic FAQ 2.0" I would start there...
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Old Jul 3, 2011 | 12:03 AM
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EJ1_CRIS_909's Avatar
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Default Re: 4spd to 5spd EF conversion question

Search is key. You can find ALL INFO by searching HT.
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Old Jul 3, 2011 | 08:50 AM
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Default Re: 4spd to 5spd EF conversion question

I have used the search many times, i have also used "CRX and Civic FAQ 2.0" before but both dont fully answer my questions some say its a direct bolt on, others say you have to match the years of the transmission, and the spline count. my plan is if it work to use 91 si crx transmission with si axles, with a B16A1 motor.
Thanks
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Old Jul 3, 2011 | 08:55 AM
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91STDFLOW's Avatar
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Default Re: 4spd to 5spd EF conversion question

Apparently you have not search?

This info been stated numerous times.

Links from FAQs you must have missed?:
https://honda-tech.com/forums/honda-crx-ef-civic-1988-1991-3/faq-my-swap-parts-list-b18c-s2-im-into-91-crx-dx-953089/

https://honda-tech.com/forums/honda-crx-ef-civic-1988-1991-3/b16a-crx-swap-guide-1193782/
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Old Jul 3, 2011 | 09:06 AM
  #6  
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Default Re: 4spd to 5spd EF conversion question

Well i seem to be having problems finding it then, if you dont mind would you like to post a link to the answer for me.
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Old Jul 3, 2011 | 09:12 AM
  #7  
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Default Re: 4spd to 5spd EF conversion question

I answered the first question with two links to read, the second one depends on how much you know and if you have any experience with swapping a transmission?
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Old Jul 3, 2011 | 09:12 AM
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Orangegsx's Avatar
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Default Re: 4spd to 5spd EF conversion question

a d series tranny will not match up with a b series block.
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Old Jul 3, 2011 | 09:17 AM
  #9  
91STDFLOW's Avatar
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Default Re: 4spd to 5spd EF conversion question

You could opt out the b16, and go for a d-series SI trans. which also comes in a 5speed and will work with your current d-series motor. Until you figure out what you're gonna need for a b-series swap ofcourse.
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Old Jul 3, 2011 | 09:27 AM
  #10  
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Default Re: 4spd to 5spd EF conversion question

sorry 91STDFLOW i missed the links, they do answer my question.
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