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Author Topic: Can the stupid dual mass flywheel...  (Read 2293 times)

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GmasterT

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Can the stupid dual mass flywheel...
« on: 19 February 2010, 01:05:26 »

on a 3.2 be replaced with the normal flywheel (and clutch) from a 'lesser' model?

 :y
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2woody

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Re: Can the stupid dual mass flywheel...
« Reply #1 on: 19 February 2010, 08:48:56 »

er, no !

at least not with standard kit anyway.
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serek

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Re: Can the stupid dual mass flywheel...
« Reply #2 on: 19 February 2010, 14:37:45 »

Quote
er, no !

at least not with standard kit anyway.
why not ???

Andy B

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Re: Can the stupid dual mass flywheel...
« Reply #3 on: 19 February 2010, 15:17:11 »

Quote
on a 3.2 be replaced with the normal flywheel (and clutch) from a 'lesser' model?

 :y

Put an auto box in!!!!  ::) ::) ::) ::)
 ;D ;D :y
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TheBoy

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Re: Can the stupid dual mass flywheel...
« Reply #4 on: 19 February 2010, 15:24:02 »

All Omega manuals come with DMF.

Whats wrong with your DMF?
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GmasterT

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Re: Can the stupid dual mass flywheel...
« Reply #5 on: 22 February 2010, 21:20:29 »

I dont like it  ;D

Basically, I feel that the v6 would be livlier with a 'normal' fly, that and I could uprate the clutch on it.  :y

Ive heard rumors of people fitting red top flys on 2.5's...?
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Marks DTM Calib

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Re: Can the stupid dual mass flywheel...
« Reply #6 on: 23 February 2010, 08:55:23 »

Quote
I dont like it  ;D

Basically, I feel that the v6 would be livlier with a 'normal' fly, that and I could uprate the clutch on it.  :y

Ive heard rumors of people fitting red top flys on 2.5's...?

Well it wont be livelier....thats the thoughts of people who cant apply logic to it!

The option on a standard fly wheel would have to come from a Cav or Calibra V6......you then need a different friction plate to the Omega one as the Omega variant does not have the cush springs built into it.
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2woody

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Re: Can the stupid dual mass flywheel...
« Reply #7 on: 24 February 2010, 21:31:53 »

cav or vectra non DMF flywheel won't fit in Omega, either.

the friction face is further away from the rear face of the engine on Omega to give room for the dual-mass gubbins. So with the "transverse" flywheel, you'd run out of release bearing travel before releasing the clutch. you could, of course, space out the release bearing assembly, but that sort of thing isn't exactly a straight swap.

the Cav or Vectra flywheel isn't going to be that much lighter than the Omega one, and if you want it to be "livelier", then you're really after a flywheel with a lower rotational inertia. That's aftermarket territory.

I dislike the DMF, too - it's fine for comfort and low NVH, but not really any good for more sporting ventures. I had a replacement aluminium flywheel made for the Omega Evo.

Just for reference, the DMF applies both weights to the engine when you're out of gear (smooth idle), whilst applying only the inner weight to the engine when in gear and driving - the outer weight is applied to the transmission to dampen drivetrain vibrations.
« Last Edit: 24 February 2010, 21:37:52 by 1417_stuart_grange »
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2woody

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Re: Can the stupid dual mass flywheel...
« Reply #8 on: 24 February 2010, 21:39:23 »

Quote
cav or vectra non DMF flywheel won't fit in Omega, either.

the friction face is further away from the rear face of the engine on Omega to give room for the dual-mass gubbins. So with the "transverse" flywheel, you'd run out of release bearing travel before releasing the clutch. you could, of course, space out the release bearing assembly, but that sort of thing isn't exactly a straight swap. the whole bellhousing is shallower on the transverse cars.

the Cav or Vectra flywheel isn't going to be that much lighter than the Omega one, and if you want it to be "livelier", then you're really after a flywheel with a lower rotational inertia. That's aftermarket territory.

I dislike the DMF, too - it's fine for comfort and low NVH, but not really any good for more sporting ventures. I had a replacement aluminium flywheel made for the Omega Evo.

Just for reference, the DMF applies both weights to the engine when you're out of gear (smooth idle), whilst applying only the inner weight to the engine when in gear and driving - the outer weight is applied to the transmission to dampen drivetrain vibrations.

oh yes, the bolt pattern is different on the four cylinder cars
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serek

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Re: Can the stupid dual mass flywheel...
« Reply #9 on: 24 February 2010, 22:52:12 »

Quote
cav or vectra non DMF flywheel won't fit in Omega, either.

the friction face is further away from the rear face of the engine on Omega to give room for the dual-mass gubbins. So with the "transverse" flywheel, you'd run out of release bearing travel before releasing the clutch. you could, of course, space out the release bearing assembly, but that sort of thing isn't exactly a straight swap.

the Cav or Vectra flywheel isn't going to be that much lighter than the Omega one, and if you want it to be "livelier", then you're really after a flywheel with a lower rotational inertia. That's aftermarket territory.

I dislike the DMF, too - it's fine for comfort and low NVH, but not really any good for more sporting ventures. I had a replacement aluminium flywheel made for the Omega Evo.

Just for reference, the DMF applies both weights to the engine when you're out of gear (smooth idle), whilst applying only the inner weight to the engine when in gear and driving - the outer weight is applied to the transmission to dampen drivetrain vibrations.
I know 2 people who got done conversion by use parts of cav/vectra( clutch and flywheel)and fit in to omega and they dont have any proplems since job done



TheBoy

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Re: Can the stupid dual mass flywheel...
« Reply #10 on: 25 February 2010, 09:25:05 »

Reality is, it may help the car rev faster in neutral, but will only have minimal effect whilst driving - the inertia of the DMF is minimal to that of the car.
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2woody

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Re: Can the stupid dual mass flywheel...
« Reply #11 on: 25 February 2010, 09:38:53 »

Quote
Quote
cav or vectra non DMF flywheel won't fit in Omega, either.

the friction face is further away from the rear face of the engine on Omega to give room for the dual-mass gubbins. So with the "transverse" flywheel, you'd run out of release bearing travel before releasing the clutch. you could, of course, space out the release bearing assembly, but that sort of thing isn't exactly a straight swap.

the Cav or Vectra flywheel isn't going to be that much lighter than the Omega one, and if you want it to be "livelier", then you're really after a flywheel with a lower rotational inertia. That's aftermarket territory.

I dislike the DMF, too - it's fine for comfort and low NVH, but not really any good for more sporting ventures. I had a replacement aluminium flywheel made for the Omega Evo.

Just for reference, the DMF applies both weights to the engine when you're out of gear (smooth idle), whilst applying only the inner weight to the engine when in gear and driving - the outer weight is applied to the transmission to dampen drivetrain vibrations.
I know 2 people who got done conversion by use parts of cav/vectra( clutch and flywheel)and fit in to omega and they dont have any proplems since job done




As it happens, I have all of the components, so I'll measure again just to make sure. It might be that the release bearing has enough travel to reach the new clutch position.

Any chance of asking either of them if their biting point is any closer to the floor ?
« Last Edit: 25 February 2010, 09:39:44 by 1417_stuart_grange »
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GmasterT

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Re: Can the stupid dual mass flywheel...
« Reply #12 on: 27 February 2010, 22:03:57 »

Quote
Quote
Quote
cav or vectra non DMF flywheel won't fit in Omega, either.

the friction face is further away from the rear face of the engine on Omega to give room for the dual-mass gubbins. So with the "transverse" flywheel, you'd run out of release bearing travel before releasing the clutch. you could, of course, space out the release bearing assembly, but that sort of thing isn't exactly a straight swap.

the Cav or Vectra flywheel isn't going to be that much lighter than the Omega one, and if you want it to be "livelier", then you're really after a flywheel with a lower rotational inertia. That's aftermarket territory.

I dislike the DMF, too - it's fine for comfort and low NVH, but not really any good for more sporting ventures. I had a replacement aluminium flywheel made for the Omega Evo.

Just for reference, the DMF applies both weights to the engine when you're out of gear (smooth idle), whilst applying only the inner weight to the engine when in gear and driving - the outer weight is applied to the transmission to dampen drivetrain vibrations.
I know 2 people who got done conversion by use parts of cav/vectra( clutch and flywheel)and fit in to omega and they dont have any proplems since job done




As it happens, I have all of the components, so I'll measure again just to make sure. It might be that the release bearing has enough travel to reach the new clutch position.

Any chance of asking either of them if their biting point is any closer to the floor ?

Legend  :y

The main reason is I give the clutch a fair amount of abuse and the DMF and clutch just arent as good as normal set up.

Chances are it would be cheaper than a replacement 3.2 clutch too, so if there is an easy solution using existing parts, then it could work well for more than just idiots like me!  ;D
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Andy H

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Re: Can the stupid dual mass flywheel...
« Reply #13 on: 27 February 2010, 23:27:14 »

Quote
Quote
Quote
cav or vectra non DMF flywheel won't fit in Omega, either.

the friction face is further away from the rear face of the engine on Omega to give room for the dual-mass gubbins. So with the "transverse" flywheel, you'd run out of release bearing travel before releasing the clutch. you could, of course, space out the release bearing assembly, but that sort of thing isn't exactly a straight swap.

the Cav or Vectra flywheel isn't going to be that much lighter than the Omega one, and if you want it to be "livelier", then you're really after a flywheel with a lower rotational inertia. That's aftermarket territory.

I dislike the DMF, too - it's fine for comfort and low NVH, but not really any good for more sporting ventures. I had a replacement aluminium flywheel made for the Omega Evo.

Just for reference, the DMF applies both weights to the engine when you're out of gear (smooth idle), whilst applying only the inner weight to the engine when in gear and driving - the outer weight is applied to the transmission to dampen drivetrain vibrations.
I know 2 people who got done conversion by use parts of cav/vectra( clutch and flywheel)and fit in to omega and they dont have any proplems since job done




As it happens, I have all of the components, so I'll measure again just to make sure. It might be that the release bearing has enough travel to reach the new clutch position.

Any chance of asking either of them if their biting point is any closer to the floor ?
The hydraulic system should take up the extra clearance and give the same biting point BUT.....

if the slave cylinder reaches the end of its travel and pops out of the end you will have a puddle of fluid in your bell housing and no clutch realease  :(

Also.. if the gearbox input shaft isn't long enough the driven plate might not engage the splines and/or the nose might not engage with the spigot bearing.
« Last Edit: 27 February 2010, 23:29:38 by andyh »
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Psychoca

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Re: Can the stupid dual mass flywheel...
« Reply #14 on: 28 February 2010, 00:32:20 »

The clutch I just picked up for my tractor (same one I believe as the 3.2) Sachs Brand (LUK Stamped) was only 77 quid...  I saw Cav ones for around 40 + postage, but, I didn't look to see what power rating...
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