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1

Omega General Help / Re: Automatic to manual conversion

« on: 13 September 2017, 18:55:38 »

I must ask the question, why do all that work to replace an auto box with a manual one?

I admire your obvious skill and determination in doing all that and knowing what you are doing, but on a car that is getting on in years why? What is the advantage in having a manual box?  Or are you going to race it?

Just curious

Engine has been taken out of the car and put on a offroad vehicle and intended for racing.

I just found this: http://www.omegaowners.com/forum/index.php?topic=90592.0

2

Omega General Help / Re: Automatic to manual conversion

« on: 13 September 2017, 12:05:29 »

In don'r think there is a difference in the  injection loom, it should all be controlled by the ECU. I know there are people here that have done this before, please elaborate

3

Omega General Help / Re: Automatic to manual conversion

« on: 12 September 2017, 09:22:36 »

Sorry I have missed that, we are talking C24NE Opel Omega Diamond. Just got this in mind.. fuel pump won't start if ECU thinks it is automatic and is not in N/P, right ?

4

Omega General Help / Automatic to manual conversion

« on: 11 September 2017, 19:40:15 »

Hi there, I am in the middle of doing a automatic to manual conversion and I have the following questions. I have removed all the wiring around the automatic gearbox + the control unit but to me it looks like there is more to do:

- Fuel pump does not get earth when the ignition is switched on, I need to manually pass it in order to get it running. Manual says that I need to earth pin 21 for manual MT, and pass transmission coding signal (5V) to pin 42 for MT. I have done the earth on 21, but what does transmission coding signal mean, is it just pure 5v ? Any guidance on what needs doing to the ECU in order to get it running with the MT is appreciated.

5

Omega General Help / Diesel Omega A gearbox ratio

« on: 23 January 2014, 20:18:07 »

Hi all, I am trying to find out what is the gear ratio of the diesel R25 box used in omega A 2.3. Is it the same as the one of the gearbox used in petrol engine omega ?
This is what i have found so far, are the numbers for a diesel box any different ?
1. 4.04:1
2. 2.27:1
3. 1.43:1
4  1.00:1
5  0.84:1
R  3.75