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5/6 speed auto box

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horsecow:
Apologies if this has been covered before but are there any newer eg 5/6speed auto boxes that will mate easily to the 2.6 v6. Current have a 2.6 v6 auto but the engine seems wasted on the 4 speed auto box. Loving the car bur not sure about the autobox!

Nick W:
You only need lots of gears in an autobox when you have a narrow power band. This is why modern diesels have them. A multi valve petrol engine that will happily rev to 6500rpm but is tuned for torque simply doesn't need 6 gears. Nor does it need a close ratio manual gearbox.


The V6 engine and gearing is an excellent match for a road car.

Lazydocker:

--- Quote from: Nick W on 09 November 2018, 23:47:37 ---You only need lots of gears in an autobox when you have a narrow power band. This is why modern diesels have them. A multi valve petrol engine that will happily rev to 6500rpm but is tuned for torque simply doesn't need 6 gears. Nor does it need a close ratio manual gearbox.


The V6 engine and gearing is an excellent match for a road car.

--- End quote ---

Although an extra gear for cruising wouldn’t go amiss ;)

Doctor Gollum:
The box from the Vectra C/Insignia 2.8 will bolt straight on... Absolutely no use in an Omega though ;D

TheBoy:
The Omega does need more ratios in its gearbox. 2nd is way too long, covering up to 85mph on a 3.0/3.2 (bit less on a 2.5/2.6 due to different diff).

But retrofitting would be nigh on impossible, as even once you'd sourced the mechanical bits, you'd still need a custom TCM and be able to program it...

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