Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: wastedperfection on 26 June 2007, 00:39:03

Title: 3.0v6 much faster than the 2.5v6?
Post by: wastedperfection on 26 June 2007, 00:39:03
Hi , i got a 2.5 v6 at the moment , thinking of getting either a 3.0 or a 3.2 and converting it manual.

Is the 3.0 or the 3.2 MUCH faster than the 2.5? , or is it faster at top end but not at acceleration?

Does it have alot more noticable torque from low revs?

Matt
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: JamesV6CDX on 26 June 2007, 01:47:39
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Hi , i got a 2.5 v6 at the moment , thinking of getting either a 3.0 or a 3.2 and converting it manual.

Is the 3.0 or the 3.2 MUCH faster than the 2.5? , or is it faster at top end but not at acceleration?

Does it have alot more noticable torque from low revs?

Matt

3.0 is a noticable improvement.. especially in manual form ;D
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: tanker12uk on 26 June 2007, 02:34:03
Hi I had an ex met 2.5v6 auto which was very quick but not enough toys so I got a 3ltr Elite auto without the sport button its fast use the sport button and kiss you license goodby it's very quick and very very easy to miss just how quick it goes as its smooth and just goes I did forget just once and the figure of 140mph was indicated on the speedo I have since then taken the lead out of my right foot
I cant comment on the manuals as age and a dodgy left knee means auto only I have tried the 3.2 but I found it slower mabye it was not a good one but that's my 2p worth
regards

Tanker
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: jonathanh on 26 June 2007, 08:05:58
I think the autobox saps quite a bit of power, my manual seems pretty quick to me.  Certainly when I had a lead in the foot problem (not in this country I hasten to add) it easily cleared 135.

For what it is worth I think the manual box makes a real difference to fuel economy, I'd struggle to get mine below 30mpg
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: Marks DTM Calib on 26 June 2007, 08:23:41
There is not a lot in it from an acceleration point of view due to the 2.5 having slightly lower gearing.
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: Jim on 26 June 2007, 09:11:25
Well this is my 3.0 V6 Omega: Speaks for it self,

Just to note, this was taken in Germany on an unrestricted section of the Autobahn;
(http://memimage.cardomain.net/member_images/11/web/275000-275999/275300_31_full.jpg)
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: Elite Pete on 26 June 2007, 09:15:49
Put some 3.0 cams in your 2.5 :y
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: jonathanh on 26 June 2007, 10:07:08
looking at the top left of the picture it seems like you had something in reserve before you hit the rev limiter.....  I wonder how much?

And yes, when I feel like getting my hands dirty I think 3.0 cams will go in
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: cdx25 on 26 June 2007, 16:14:34
Quote
Well this is my 3.0 V6 Omega: Speaks for it self,

Just to note, this was taken in Germany on an unrestricted section of the Autobahn;
(http://memimage.cardomain.net/member_images/11/web/275000-275999/275300_31_full.jpg)

Yes, you can see the blur of the fuel gauge as it dives towards zero  ;D
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: Markie on 26 June 2007, 16:18:37
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There is not a lot in it from an acceleration point of view due to the 2.5 having slightly lower gearing.


I agree....i drive a 3.0 daily but brought the wifes 2,5 North at the weekend and didnt notice too much difference
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: Paul M on 27 June 2007, 19:35:05
Personally I wouldn't have bought an Omega with anything less than a 3.0 manual, and even at that I don't find it all that quick, but then I like my cars to have a bit of grunt. Depends what you're used to really, I'm sure there are people out there who find a 2.0 8v auto Omega fast ;)
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: Martin_1962 on 27 June 2007, 20:39:08
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Personally I wouldn't have bought an Omega with anything less than a 3.0 manual, and even at that I don't find it all that quick, but then I like my cars to have a bit of grunt. Depends what you're used to really, I'm sure there are people out there who find a 2.0 8v auto Omega fast ;)

It all depends - I came from bikes!

However the auto 2.0 was my 3rd slowest accelerating car - slowest was the Sunbeam before the transplant, the 2.6 is second fastest not much behind the 3.0, 3rd was Sunbeam after I had finished it! (by 0.2 seconds)
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: Darth Loo-knee on 27 June 2007, 21:30:55
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Well this is my 3.0 V6 Omega: Speaks for it self,

Just to note, this was taken in Germany on an unrestricted section of the Autobahn;
(http://memimage.cardomain.net/member_images/11/web/275000-275999/275300_31_full.jpg)

Hope you didn't take the picture with your mobile, you can get done for that ;D
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: Tafty on 27 June 2007, 22:06:16
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Put some 3.0 cams in your 2.5 :y

Is it the same for a 2.6 and the 3.2 cams by the way? Hope so - would you need to do anything in addition to also?
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: Paul M on 28 June 2007, 12:03:45
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Quote
Personally I wouldn't have bought an Omega with anything less than a 3.0 manual, and even at that I don't find it all that quick, but then I like my cars to have a bit of grunt. Depends what you're used to really, I'm sure there are people out there who find a 2.0 8v auto Omega fast ;)

It all depends - I came from bikes!

Yes well even my 4.4 V8 840Ci feels slow after getting off the R1.... it has almost the BHP of a 2.6 Omega, while weighing only 170Kg :D. Although maybe not in the last week in the appalling weather, quite happy to be in the "slow" V8 car with the bike safely tucked away :)
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: TheBoy on 28 June 2007, 12:57:44
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Quote
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Personally I wouldn't have bought an Omega with anything less than a 3.0 manual, and even at that I don't find it all that quick, but then I like my cars to have a bit of grunt. Depends what you're used to really, I'm sure there are people out there who find a 2.0 8v auto Omega fast ;)

It all depends - I came from bikes!

Yes well even my 4.4 V8 840Ci feels slow after getting off the R1.... it has almost the BHP of a 2.6 Omega, while weighing only 170Kg :D. Although maybe not in the last week in the appalling weather, quite happy to be in the "slow" V8 car with the bike safely tucked away :)
lol, i'm a fair weather boy as well ;)
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: Essex_Andy on 01 July 2007, 23:22:14
my 2.5 manual is fitted with 3.0 cams, Mtek chip, K+N replacement air filter panel with extra cold air feeds, blanked off the EGR and I'm still waiting to get some front exhaust pipes with knackerd cats so I can fab my own cat bypass pipes....it drives OK and seems fast but it makes power from the off so hard to compare...my fuel trip and mile-o-meter say 30 mpg on average.

One question...the mpg improves as I hit 85mph compared to 70mph...any one else comment on this?
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: Paul M on 01 July 2007, 23:27:49
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One question...the mpg improves as I hit 85mph compared to 70mph...any one else comment on this?

This doesn't make much sense, unless the engine is much less efficient at whatever revs corresponds to 70 MPH. There is 47% more aerodynamic drag at 85 MPH compared to 70 MPH, for only a 21% increase in speed.
Title: Re: 3.0v6 much faster than the 2.5v6?
Post by: Essex_Andy on 01 July 2007, 23:32:02
According to the onboard trip computer...70mph steady throttle = 29mpg average and at 85mph raises to 34-35mpg with steady throttle...same level road even run in either direction...numbers are the same? ? ? ?