<FONT SIZE="5">My junkyard B20B/B20z Civic EF Si Eventual Swap:</FONT>

-This will be an OBD0 kept EF
-Using a cable transmission.
-Many of the parts listed will be found off a junkyard Integra LS

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Future CR/VTEC conversion - Great guide for anyone planning on doing this:
http://www.c-speedracing.com/h...c.php

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<u><FONT SIZE="3">Requirements</u>:</FONT> (With the help of H-T)

<FONT COLOR="red">USED:</FONT>

-B20B engine
-Cable B-Series Transmission
-ECU (Non-vtec P75; From LS Integra)
-B series throttle cable
-Shift Linkage (DA LS Integra -Modified to fit)
-Intake Manifold (DA LS Integra)
-Transmission L Bracket (DA LS Integra)
-Engine T Bracket - Timing belt side (DA LS Integra)
-OBD0 Distributor (DA LS Integra)
-B series catalytic converter (DA LS Integra)
-B series header (DA LS Integra)
-B series OBD0/OBD1 Alternator (DA LS Integra)


<FONT COLOR="red">NEW:</FONT>
-B series Mounts
-B series axles (Matching transmission)
-B series clutch+flywheel (Matching transmission)
-Spark Plugs
-Timing belt

etc.

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"bone stock-block"


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Note: This is a tech thread, but also scheduled list to keep myself on track for the swap this summer. Many of the parts listed above may not only be specifically matched to corresponding vehicle in order for the swap to work; but rather where I am planning to find each part.

This thread consists of me bitching a lot with questions in seeking for answers. This is because I want to do the swap right the first time; also HT has a wealth of knowledge.

If there's anything missing here please feel free to let me know.
I'm hoping that this thread will eventually become a build/swap guide thread.

Thanks everyone.





Modified by freakystyley_73 at 10:23 PM 3/20/2007

 

1) Yes, Cable tranny will bolt onto the B20, just use a cable clutch for the tranny.

2)OBD only really matters for the ECU purposes, doesn't matter what OBD the motor is.

3)If the ECU is from a 99 it would be OBD-2 which wouldn't work for you wanting to convert to OBD-1, you need to find a 92-95 P75 or PR4 ECU from an Integra, and no you don't need to get it re-chipped it will work fine.

 

if you go to obd1 dont you need to get an obd1 dizzy alsoalong withthe ecu?

 

you don't need to convert to obd1. you can use 90-91 obd0 integra stuff (ecu, dizzy, intake mani with injectors, etc... even the tranny) If you can find a obd0 DA integra for parts, you'll be golden.

 

you didn't mention it in you original post, but you do realise you need a different intake mani than that tall *** crv one that comes on a b20b??? That is why a lot of ppl just use integra stuff.

 

Oh yea, i knew that i just forgot to mention it in my post. Thanks

 

Bump for more information/opinions.
What will i need in wiring as the engine is OBD2 and my car is obd0?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by freakystyley_73 &raquo;</TD></TR><TR><TD CLASS="quote">Bump for more information/opinions.
What will i need in wiring as the engine is OBD2 and my car is obd0?</TD></TR></TABLE>

Search the answer OBD2 to zero I would do OBD1. You dont need an ls i/m you could us the b2o one if I find the link I will link it here on b20 swap into ef

 

Naw mang, the b20b intake manifold is too large for the civic engine bay
unfortunately.

 

I would imagine your looking to do it cheap, here's what to do:
- get your b20 longblock
- go to pick your part and pick up an obd0 distributor, ecu, intake manifold, and tranny from any 5 speed 1990 or 91 Integra- they will be dirt cheap there and not hard to find
- buy a fresh clutch, timing belt, cap/rotor and some new plugs
- get a good quality mount kit

That'll get you 90% of the way for about $1500

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Deetz &raquo;</TD></TR><TR><TD CLASS="quote">I would imagine your looking to do it cheap, here's what to do:
- get your b20 longblock
- go to pick your part and pick up an obd0 distributor, ecu, intake manifold, and tranny from any 5 speed 1990 or 91 Integra- they will be dirt cheap there and not hard to find
- buy a fresh clutch, timing belt, cap/rotor and some new plugs
- get a good quality mount kit

That'll get you 90% of the way for about $1500</TD></TR></TABLE>

Yo thank you so much bro. That actually helps out so much you have no idea.
Also, Calgary's PMSing like a bitch today eh. Yesterday was +17 and this morning I cleared a foot of snow off my car. NOT COOL

 

you also need the timing side engine mount L bracket from a 1g b16 or a
90-93 LS motor.

get the rear T-bracket for the trans off of a 90-93 teg 5speed

if you have a DPFI car you need to convert to MPFI

if you have a DPFI car you also need a DA teg or EF SI/EX throttle cable

90-93 teg radiator hoses (trim to fit)

OBD2 alternator plug is diff than OBD0

 

This is all very very helpful.
Most of these parts i can hit up Pick ur Part for.
I'm stoked as hell.

Also, my car is mpfi,
What can i do about fitting the alternator plug,
obd0 to obd2 adapter?

Thanks all, hoping for more information/opinions.

 

What about axles? Am i better off buying brand new axles or can i find some used ones?

Addtionally, most tegs at the junkyard are 250xxxkms+, so I'd rather seek out a newer used tranny.

 

Also, the replacement clutch i need is specific to a civic si, right? or do i require a b-series clutch?.

 

IF YOUR CA IS already MPFI and your OBD0 then run a PR4 ECU. you dont need to use anything other than you stock harness to make it work. IM sure the OBD0 teg Dizzy will work. if the plugs dont match then use a 89 teg plug both male and female and match the colors.

Hope this helps.

PS

use a 90-93 teg IM with TB

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by freakystyley_73 &raquo;</TD></TR><TR><TD CLASS="quote">Also, the replacement clutch i need is specific to a civic si, right? or do i require a b-series clutch?.</TD></TR></TABLE>

B series!

 

F*cking ill.
I am going to buy new axles.
Will b16 axles fit my EF?

 

im not sure 100% but im almost certain ar i have b18 axles on mine for the ZC trans i run.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by julio_bOostamante &raquo;</TD></TR><TR><TD CLASS="quote">im not sure 100% but im almost certain ar i have b18 axles on mine for the ZC trans i run.</TD></TR></TABLE>

Ok sick. This is all coming together now with all of your help.
I've researched that my hubs will fit b-series axles
So i just gotta pick up some b axles meant for 4g civics.
i'm stoked - i'll put up a build thread this summer.
I may have more questions later, so i'll keep this thread running.
thanks

 

buy 90-91 integra ls axles...

basically, the swap you are doing is exactly like swapping in a 90-91 integra b18... except you are substituting a b20b block and head. Everything else is 90-91 integra

 

aftermarket motor mounts or stock integra motor mounts?

 

buy innovative steel mounts.

great price and work just as good as hella expensive hasport

 

should i get the brakes also with the teg hubs? or hubs only

 

i used CRX SI knuckles when i did my swap, Si 15/16" master cylinder, good pads and some S.S. brake lines stop my car pretty well.

teg knuckles will need a camber kit in order to maintain proper alignment but they are bigger so it depends on whether or not you wanna spend the money