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Author Topic: Omega remapping  (Read 27268 times)

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cem_devecioglu

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Re: Omega remapping
« Reply #75 on: 10 November 2014, 12:19:01 »

ok.. talking from 1st hand direct experience and dyno measures..


mine was an auto 2.5..


converted to manual and then measured at 2 different dynos..  result : one was 143 cv and other 144 cv


 (old members may remember the dyno sheets) (note : measuring an auto omega on dyno gives unpredictable and incorrect results- tried on different omegas and measured even 230 cv on a 2.5)


then


changed the cams , installed a 3.0 inlet divider, polished the inlet ports+plenum+exhaust manifolds (same exhaust manifold), sanded the throttle cavity
installed 3.0 ecu (from a 97 vaux manual omega) .. this time same dyno gave 188 cv :)


now you decide what to do :y


« Last Edit: 10 November 2014, 12:21:51 by cem »
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Webby the Bear

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Re: Omega remapping
« Reply #76 on: 10 November 2014, 12:21:17 »

Cant really argue with results cem.
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cem_devecioglu

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Re: Omega remapping
« Reply #77 on: 10 November 2014, 12:24:56 »

if you prefer to install 3.0 ecu , you will need the immobilser ring around the steering and also 2 transponder chips from keys ..  of course all from the same car


ps: 3.0 ecu must be from an auto 3.0 car for yours as its auto
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Kevin Wood

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Re: Omega remapping
« Reply #78 on: 10 November 2014, 12:27:07 »

ok.. talking from 1st hand direct experience and dyno measures..


mine was an auto 2.5..


converted to manual and then measured at 2 different dynos..  result : one was 143 cv and other 144 cv


 (old members may remember the dyno sheets) (note : measuring an auto omega on dyno gives unpredictable and incorrect results- tried on different omegas and measured even 230 cv on a 2.5)


then


changed the cams , installed a 3.0 inlet divider, polished the inlet ports+plenum+exhaust manifolds (same exhaust manifold), sanded the throttle cavity
installed 3.0 ecu (from a 97 vaux manual omega) .. this time same dyno gave 188 cv :)


now you decide what to do :y

I don't doubt your results, Cem... but you changed the cams, which probably counted for 99% of your power gain. ;)
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cem_devecioglu

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Re: Omega remapping
« Reply #79 on: 10 November 2014, 12:28:56 »

ok.. talking from 1st hand direct experience and dyno measures..


mine was an auto 2.5..


converted to manual and then measured at 2 different dynos..  result : one was 143 cv and other 144 cv


 (old members may remember the dyno sheets) (note : measuring an auto omega on dyno gives unpredictable and incorrect results- tried on different omegas and measured even 230 cv on a 2.5)


then


changed the cams , installed a 3.0 inlet divider, polished the inlet ports+plenum+exhaust manifolds (same exhaust manifold), sanded the throttle cavity
installed 3.0 ecu (from a 97 vaux manual omega) .. this time same dyno gave 188 cv :)


now you decide what to do :y

I don't doubt your results, Cem... but you changed the cams, which probably counted for 99% of your power gain. ;)


more than 40 cv gain is too much even for G cams imo :-\
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cem_devecioglu

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Re: Omega remapping
« Reply #80 on: 10 November 2014, 12:30:11 »

however, I also noticed that hammering the omega constantly for 1-2 days changes the car behaviour..  I'm well sure and aware of that..




if you ignore the fuel consumption  ;D
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Webby the Bear

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Re: Omega remapping
« Reply #81 on: 10 November 2014, 12:32:38 »

Is that immobiliser ring easy to swap / put on the car.

TBH for pure convenience and the fact that there's doubt around what the 3.0 ECU can do... i think i'll stick to the superchips one and see what happens.
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Re: Omega remapping
« Reply #82 on: 10 November 2014, 12:32:52 »

....and then in future jam on the 3.0 cams :)
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Kevin Wood

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Re: Omega remapping
« Reply #83 on: 10 November 2014, 12:37:20 »

There['s no point messing about with a 3.0 ECU if you're going to chip it anyway. Just fit the Superchip. Far easier. :y

But.. the significant gain will come from the cams. ;)
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Webby the Bear

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Re: Omega remapping
« Reply #84 on: 10 November 2014, 12:38:52 »

There['s no point messing about with a 3.0 ECU if you're going to chip it anyway. Just fit the Superchip. Far easier. :y

But.. the significant gain will come from the cams. ;)

Will do, thanks mate.

As said i'm not looking for it to give me a million horses. i just want to iron flat spots out. and it seems that may be achievable with the SC's chip.

 
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zirk

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Re: Omega remapping
« Reply #85 on: 10 November 2014, 12:58:32 »

Thinking if it was me, this is what I would do, upgrade to 3.0 Cams, Fit 3.0 inlet divider, leave the  ECU in situ as is and throw in a 3.0 Re Mapped Chip (Eprom) to replace the Standard 2.5 Chip. I reckon all in around 200 notes in parts or a tad lees.

Then if you really wont to push the boat, fit 3.0 Penlium and 3.0 Maf (if there different).

I think you should see gains of around 25 to 35 more HP and should make the Car more drivable when required and probably see the same if not better MPG.
« Last Edit: 10 November 2014, 13:07:04 by zirk »
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Re: Omega remapping
« Reply #86 on: 10 November 2014, 13:18:13 »

Thanks Zirk :)

In this guide......

http://oldsite.omegaowners.com/forum/YaBB.pl?num=1293153796

...after bending tabs back do i remove those screws to be able to access the chip ''housing''?
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zirk

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Re: Omega remapping
« Reply #87 on: 10 November 2014, 13:28:58 »

Thanks Zirk :)

In this guide......

http://oldsite.omegaowners.com/forum/YaBB.pl?num=1293153796

...after bending tabs back do i remove those screws to be able to access the chip ''housing''?
No not if it has a Chip Holder fitted (should have), in fact you dont really need to bend the back tabs, just the side ones, the back ones will bend a little when you prise the cover away from the main plug side. :y

Your need to undo the 4 x black nylon nuts from the black insert plate to get access to the ECU underside as well.  ;)

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Re: Omega remapping
« Reply #88 on: 10 November 2014, 13:33:48 »

Thanks mate.

It also says to wear ESP to avoid static getting in??? Whats that?  ???
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zirk

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Re: Omega remapping
« Reply #89 on: 10 November 2014, 13:39:19 »

Thanks mate.

It also says to wear ESP to avoid static getting in??? Whats that?  ???

Anti Static warning that could zap your ECU component(s), thats your choice, I've never bothered, not on ECU's anyway, but the warning is there for a reason.
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