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Author Topic: 2.5 TD auto question  (Read 2213 times)

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saintnick

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2.5 TD auto question
« on: 27 September 2007, 14:08:04 »
does anyone know if the torque converter and flex plate from the TD omega was used in any other car? eg the 325 or 525 BMW or similar. i need to source one but am having trouble, and was wondering if another car is an option. cheers peeps
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tunnie

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Re: 2.5 TD auto question
« Reply #1 on: 27 September 2007, 14:11:42 »
in the Omega TD auto, the AR25 box was used.

This is fitted in all 2.5V6 Omega's.....

Not sure whats in the 2.0 Omega.

So any parts sourced from a V6 Omega will be fine. The torque converter from the AR35 (Omega 3.0/3.2's) should also be fine....

Actually, sod it, just fit an AR35....
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saintnick

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Re: 2.5 TD auto question
« Reply #2 on: 27 September 2007, 17:14:29 »
Is the diesel torque converter the same as the petrol one then?? i have an AR35 box with a 3.0 petrol torque converter will this go on the 2.5 TD engine???

it would be great if it did. ::)

cheers people
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IrmscherKris

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Re: 2.5 TD auto question
« Reply #3 on: 27 September 2007, 17:17:13 »
Yes it works. I think it needs reprogramming though.
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saintnick

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Re: 2.5 TD auto question
« Reply #4 on: 27 September 2007, 17:36:37 »
what if i got the gearbox ecu from a TD ???

anyone on here that can redo ecu for me??

i love this site  :y
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sassanach

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Re: 2.5 TD auto question
« Reply #5 on: 27 September 2007, 17:42:12 »
the diesal tc and the petrol tc are different.
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IrmscherKris

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Re: 2.5 TD auto question
« Reply #6 on: 27 September 2007, 17:43:54 »
Quote
what if i got the gearbox ecu from a TD ???

anyone on here that can redo ecu for me??

i love this site  :y

Pull yer tongue out son  ;D
I think The Boy isnt too far from you - maybe he can do it?


 :y
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IrmscherKris

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Re: 2.5 TD auto question
« Reply #7 on: 27 September 2007, 17:45:50 »
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saintnick

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Re: 2.5 TD auto question
« Reply #8 on: 27 September 2007, 17:48:00 »
so to clarify.

i need a t/c from a TD, if anyone sees one or knows of one PLEASE let me know!!

sorry for all the questions.

and many thanks for all replies  :y

belive me, if this conversion works i will be posting one mother of a how 2!!! ::)
« Last Edit: 27 September 2007, 17:51:56 by saintnick »
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saintnick

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Re: 2.5 TD auto question
« Reply #9 on: 27 September 2007, 17:48:38 »
Quote
http://www.omegaowners.com/forum/YaBB.pl?num=1152775772

HTH.

Hows it comming along now?

update coming soon mate, we are getting there!! just need a t/c and flex plate!!!
« Last Edit: 27 September 2007, 17:52:29 by saintnick »
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sassanach

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Re: 2.5 TD auto question
« Reply #10 on: 27 September 2007, 17:53:56 »
the diesel torque converter has 3 bolts holding it to the flex plate, the petrol version has 6. they will both  physically fit  the gearbox but you cant make the petrol flexplate fit the diesel
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sassanach

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Re: 2.5 TD auto question
« Reply #11 on: 27 September 2007, 17:55:47 »
i would also imagine they have different "stall"characteristics
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Kevin Wood

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Re: 2.5 TD auto question
« Reply #12 on: 27 September 2007, 19:23:35 »
Quote
i would also imagine they have different "stall"characteristics

Absolutely. It's the TC stall speed that defines the character of an auto box and it's matched to the torque curve of the engine, so likely to be radically different on a TD.

It'll take off like the proverbial off a shovel with a petrol TC stall speed, but road manners and economy would be appauling!

Kevin
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TheBoy

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Re: 2.5 TD auto question
« Reply #13 on: 27 September 2007, 19:38:07 »
Quote
in the Omega TD auto, the AR25 box was used.

This is fitted in all 2.5V6 Omega's.....

Not sure whats in the 2.0 Omega.

So any parts sourced from a V6 Omega will be fine. The torque converter from the AR35 (Omega 3.0/3.2's) should also be fine....

Actually, sod it, just fit an AR35....
Cobblers ;)

TD Torque converter is unique to the TD in the Omega range.
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TheBoy

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Re: 2.5 TD auto question
« Reply #14 on: 27 September 2007, 19:42:20 »
Just to clarify some things in this thread....

The gearbox (ideally AR35, but AR25 OK) can come from any other Omega.

The TC and the bellhousing on the gearbox MUST come from a TD car.

On earlier gearbox ECUs (pre 98), I believe the ECU is unique to TD (but would need to confirm), but later ECUs are the same as petrols, but run a different 'map' which can be put on via Tech2.
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