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Need help!? auto to manual b20 conversion

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Old 07-02-2018, 06:03 AM
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Default Need help!? auto to manual b20 conversion



Here some of the parts I have acquired from friends. I already have clutch pedal set off a manual eg I got at the junkyard. My friend also told me I can’t run the stock b20 manifold because It will interfere with my hood, and told me to buy clutch and flywheel with some clutch lines. I’m just really lost and I feel I’m missing parts to complete this conversion.
I have an automatic 94hatch and I’m trying to Do a manual swap with a stock b20 motor and gsr transmission. All I know is that I need auto to manual mounts, also I would like to know the parts I will need and steps I need to do for this swap ? Please help me thank you
Old 07-02-2018, 08:14 PM
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Default Re: Need help!? auto to manual b20 conversion

You’ll need an ECU, intake manifold, and the bracket that goes from the transmission bell housing to the mount on the cross member — all from an Integra LS.

Axles and an intermediate shaft from a GSR.

I think you’ll need the passenger side mount and driver’s side mount from the GSR, too.

You will definitely need to get a clutch line made up of you can’t get ahold of the stock pieces from the GSR. It goes from the clutch master cylinder along the firewall to underneath the battery tray and then towards the front of the car along the framerail to be connected to a rubber hose that leads to the clutch slave cylinder.

Pretty sure thats all I got for spoon feeding.
Old 07-03-2018, 03:33 AM
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Default Re: Need help!? auto to manual b20 conversion

- Integras DO NOT have a cross member like EF Civics and CRXs.
- Intermediate shaft has to be from a 5spd B-series. Doesn't have to be from a GSR. Automatics will fit but the mounting holes are different.
- Driver's side mounts are the same, whether it's manual or auto.
Old 07-03-2018, 06:00 AM
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Default Re: Need help!? auto to manual b20 conversion

Originally Posted by NVturbo
- Integras DO NOT have a cross member like EF Civics and CRXs.
- Intermediate shaft has to be from a 5spd B-series. Doesn't have to be from a GSR. Automatics will fit but the mounting holes are different.
- Driver's side mounts are the same, whether it's manual or auto.
Isnt this an EG? Their subframes are the same as the DC2.

I had said GSR as that was what his transmission came from, but yes, 5spd B series intermediate shaft.

On the driver’s side mount, the bracket on the CRV engine will need to be swapped out for the Integra one.
Old 07-03-2018, 06:10 AM
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Default Re: Need help!? auto to manual b20 conversion

Originally Posted by Freedo_Civegra


Isnt this an EG? Their subframes are the same as the DC2. same

I had said GSR as that was what his transmission came from, but yes, 5spd B series intermediate shaft. any bseries midshaft

On the driver’s side mount, the bracket on the CRV engine will need to be swapped out for the Integra one. true
also you do not NEED a manual ecu. you can change that in the ecu by removing a resister. (using manual ecu with AT wouldn't work though)
or deal with the CEL.

you need to do the wiring for "PARK" so the ecu knows its safe to kick over
Old 07-03-2018, 06:37 AM
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Default Re: Need help!? auto to manual b20 conversion

I have a B20 ECU, but you’d have a fun time wiring that in and would have a constant CEL.
Old 07-03-2018, 08:26 AM
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Default Re: Need help!? auto to manual b20 conversion

Originally Posted by Freedo_Civegra


Isnt this an EG? Their subframes are the same as the DC2.

I had said GSR as that was what his transmission came from, but yes, 5spd B series intermediate shaft.

On the driver’s side mount, the bracket on the CRV engine will need to be swapped out for the Integra one.
crossmember, not subframe. EG Civics and DC Integras DO NOT HAVE THEM
Old 07-03-2018, 09:15 AM
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Default Re: Need help!? auto to manual b20 conversion

A lot of people call the subframe a crossmember. My bad!

What does an EF have to do with this anyway?
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