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Author Topic: 2.6 omega spec against vec gsi spec  (Read 1181 times)

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so comfortably numb

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2.6 omega spec against vec gsi spec
« on: 09 June 2011, 23:39:00 »
Wonder if anyone can help.  The 2.6 in the omega is rated the same power as the 2.6 Gsi (or so it would seem) where as the 2.6 SRi vec is lower.  From what I remember when I had my 2.6 Gsi, they had had 3.0 (omega) exhaust cams in to get the higher power over the SRi 2.6. Can anyone confirm or deny this please?
So basicly what I'm asking is (I think) is the power output of a 2.6 omega about 178 or so?
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TheBoy

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Re: 2.6 omega spec against vec gsi spec
« Reply #1 on: 10 June 2011, 08:25:33 »
2.6 Omega is in the region of 175bhp (not got exact figure, but approx same as the 2.5 Omega).

The Vectra is lighter, so has better PTW ratio. Also, if the 3.2 GSI Vectra is anything to go by, shorter geared. Though try getting the power down, even in the dry, on a Vectra-C - probably one reason that the Vectra-C GSi's have steel girders instead of suspension ;D

The Omega has the multiram system to smoothen out the power curve, making it less peaky than the Vectras
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Re: 2.6 omega spec against vec gsi spec
« Reply #2 on: 10 June 2011, 08:26:35 »
iirc the 2.5ltr on the book shows 170bhp, so I would guess the 2.6 will be very close or the same.
The main difference between the 2 cars though is the weight!

One is lightweight and the other weighs like a tank.... but I wouldn't have it any other way  :y
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Martin_1962

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Re: 2.6 omega spec against vec gsi spec
« Reply #3 on: 10 June 2011, 12:10:13 »
2.6 178 as standard Mikes is about 195
2.5 167 as standard
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Re: 2.6 omega spec against vec gsi spec
« Reply #4 on: 10 June 2011, 22:32:12 »
wasn't the Vectra GSi 200 ?
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Re: 2.6 omega spec against vec gsi spec
« Reply #5 on: 12 June 2011, 03:10:13 »
the vectra 3.2 GSI's are 208bhp, and incase you want to know the omega 3.2's aswell its 213bhp  :y :y
« Last Edit: 12 June 2011, 03:10:57 by Stallion »
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Re: 2.6 omega spec against vec gsi spec
« Reply #6 on: 12 June 2011, 13:39:33 »
Quote
wasn't the Vectra GSi 200 ?
Not the 2.6 one, thats the 3.2 one :y
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Re: 2.6 omega spec against vec gsi spec
« Reply #7 on: 12 June 2011, 13:50:55 »
Quote
Quote
wasn't the Vectra GSi 200 ?
Not the 2.6 one, thats the 3.2 one :y

I thought the old veccie GSi 2.5 was re-worked to give 200 bhp
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TheBoy

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Re: 2.6 omega spec against vec gsi spec
« Reply #8 on: 12 June 2011, 14:13:32 »
Quote
Quote
Quote
wasn't the Vectra GSi 200 ?
Not the 2.6 one, thats the 3.2 one :y

I thought the old veccie GSi 2.5 was re-worked to give 200 bhp
We are talking about the rather naff Vectra-C ;)
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Re: 2.6 omega spec against vec gsi spec
« Reply #9 on: 12 June 2011, 17:30:39 »
"I thought the old veccie GSi 2.5 was re-worked to give 200 bhp"

The vec b gsi pre-face are around 197.  The facelift 2.6 are around 178.  Bigger cc to compensate for the lower compression to get the emissions up, but had more torque than the 2.5 gsi.  The white super touring was 200 bhp.  They have a x30xe map.
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i260

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Re: 2.6 omega spec against vec gsi spec
« Reply #10 on: 27 June 2011, 09:59:28 »
It was the original 2.5 gsi that had the uprated cams thanks to msd and was in the region of 195bhp

2.6 did not.
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