Omega Owners Forum - 6 speed box ?

Thomas-Elite

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6 speed box ?
30. Apr 2011 at 20:18

Any mechanical guru's know what six speed box will fit the 3.0 omega? f28? would like to keep my clutch because its a mega one and it cost a fair pop, has only covered a few k miles. dont like the standard box due to being so long. With the map and cams in my car alot of the power is from about 5k up. If i could get someting to keep it in that power band it would be good

Any input would be grate cheers guys Thumbs Up!

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Lazydocker Omega King Offline Victim of Pinky's Power Trip! Posts: 11336 Woodbridge, Suffolk Gender: Drives: 2003 3.2 Elite Estate LPG Converted, inspected and Certified	Re: 6 speed box ? Reply #1 - 30. Apr 2011 at 20:53 If the power's higher up you probably don't want a 6 speed box, certainly not from a modern car
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Thomas-Elite Newbie Offline High BHP Hero Posts: 49 south wales Gender: Drives: 96 courtney sports elite	Re: 6 speed box ? Reply #2 - 30. Apr 2011 at 20:56 Lazydocker wrote on 30. Apr 2011 at 20:53: If the power's higher up you probably don't want a 6 speed box, certainly not from a modern car Wouldnt a six speed box have a closer ratio?
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aaronjb

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Re: 6 speed box ?
Reply #3 - 30. Apr 2011 at 21:05

Thomas-Elite wrote on 30. Apr 2011 at 20:56:

Lazydocker wrote on 30. Apr 2011 at 20:53:

If the power's higher up you probably don't want a 6 speed box, certainly not from a modern car Wink

Wouldnt a six speed box have a closer ratio?

Some do, some don't - obviously you want one that is.. but if you take the MR2 for example, when Toyota added the 6th gear in 2003, all they did was add a longer gear for cruising and left the rest the same. Then again, it was already a very short-geared box.

None of which helps you in your quest to find a close-ratio 6 speed that'll mate to the Omega Embarrassed

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Weds Senior Member Offline My other hobby Posts: 515 Chatham, Kent Gender: Drives: 2003 Facelift 3.2 Estate	Re: 6 speed box ? Reply #4 - 30. Apr 2011 at 21:05 Isn't the F28 for FWD ?
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Thomas-Elite Newbie Offline High BHP Hero Posts: 49 south wales Gender: Drives: 96 courtney sports elite	Re: 6 speed box ? Reply #5 - 30. Apr 2011 at 21:13 Weds wrote on 30. Apr 2011 at 21:05: Isn't the F28 for FWD ? yea it is.
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omegadan67 Junior Member Offline Posts: 244 northampton Gender: Drives: vauxhall omegav6 vauxhall sintra 2.2dti landrover discovery tdi ford galaxy tdi	Re: 6 speed box ? Reply #6 - 30. Apr 2011 at 21:42 Thomas-Elite wrote on 30. Apr 2011 at 21:13: Weds wrote on 30. Apr 2011 at 21:05: Isn't the F28 for FWD ? yea it is. if for fwd wont fit a rwd. best bet is a ford mtx75 5 speeder from a seirra cossie
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Albs Omega King Offline The upgrades are ongoing. Posts: 15083 North Essex Gender: Drives: 2000 2.5CD with LPG/Honda cbr600 FX	Re: 6 speed box ? Reply #7 - 30. Apr 2011 at 21:45 Ford box in a GM car !! wash your mouth out Dan.
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Del Boy Omega Lord Offline Posts: 9381 Ashford, Kent. Gender: Drives: Various things.	Re: 6 speed box ? Reply #8 - 30. Apr 2011 at 21:56 Can't you find a BMW gearbox that'll fit?
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Kevin Wood

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Re: 6 speed box ?
Reply #9 - 30. Apr 2011 at 21:59

omegadan67 wrote on 30. Apr 2011 at 21:42:

Thomas-Elite wrote on 30. Apr 2011 at 21:13:

Weds wrote on 30. Apr 2011 at 21:05:

Isn't the F28 for FWD ?

yea it is.

if for fwd wont fit a rwd. best bet is a ford mtx75 5 speeder from a seirra cossie

MT75.

(The MTX75 was the FWD version.)

Still not a close ratio box by any means, although superior to an Omega box in the quality of shift, IMHO. Tediously short first gear, very limited alternative gearkits available and the integral bellhousing would make it hard work to mate to a GM V6 IMHO.

The type 9 has a good selection of gearkits available, and GM pattern bellhousings can be fitted, but I fear it wouldn't be strong enough. Undecided

Kevin

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aaronjb

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Re: 6 speed box ?
Reply #10 - 30. Apr 2011 at 22:05

I'm sure you could get a Tremec T56 with gear ratios you're looking for, and have a bell housing made up to suit - even the 'littlest' one will handle 330lb/ft, and there's always the 'Magnum' if you need >450lb/ft torque cap.

Not cheap, mind, and a little agricultural in it's shift (although a million miles better than the last manual Omega I sat in, which appeared to have the standard Vauxhall Vague-o-Matic gearshift).

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Thomas-Elite Newbie Offline High BHP Hero Posts: 49 south wales Gender: Drives: 96 courtney sports elite	Re: 6 speed box ? Reply #11 - 30. Apr 2011 at 22:14 What about changing the diff? If i got a diff with a shorter ratio wouldnt that close up all the gears? With my engine i do feel that the box is a big hinderance on its power.
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Kevin Wood

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Re: 6 speed box ?
Reply #12 - 30. Apr 2011 at 22:22

Thomas-Elite wrote on 30. Apr 2011 at 22:14:

What about changing the diff? If i got a diff with a shorter ratio wouldnt that close up all the gears? With my engine i do feel that the box is a big hinderance on its power.

It will make the gearing shorter, which may help, but the relationship between each gear and the next is the real problem, and this will be dependant only on the gearbox.

For example, let's say you want to keep the engine in the 5000 - 6500 RPM rev range.

If you change up at 6500 and the engine speed drops to 4500 that is a function of the difference in the two gear ratios. Changing the diff will change the speed at which that upshift is required but the rev drop will be the same, and if that causes a peaky engine to bog down, it always will with those gearbox ratios.

Kevin

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r1 Omega Knight Offline Posts: 1043 nottingham Gender: Drives: 2.5	Re: 6 speed box ? Reply #13 - 01. May 2011 at 16:34 think it might be worth while talking to a g/box specialist as you might be able to alter the ratios in your box to suit you better,also dont forget tyre size will also have a effect as well.
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Thomas-Elite Newbie Offline High BHP Hero Posts: 49 south wales Gender: Drives: 96 courtney sports elite	Re: 6 speed box ? Reply #14 - 02. May 2011 at 20:22 I was thinkging about sticking a 2.0 box on it, but my cars putting out a fair bit of torque and would turn it inside out in a matter of miles. but im shur that would give me the affect im looking for. Even if for only a short space of time.
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