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 Posted: Thu May 12, 2011 3:07 pm |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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| gti180boy wrote: |
| it will rev faster with lighter but lose torque higher up rev range so i just go standed. |
It will pick up revs faster but it won't lose torque at any revs. It doesn't make any difference to power outputs.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Fri May 13, 2011 9:37 am |
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Joined: Feb 13, 2010
Posts: 451
Trade Rating: +2
Location: Stafford
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| Edward wrote: |
| gti180boy wrote: |
| it will rev faster with lighter but lose torque higher up rev range so i just go standed. |
It will pick up revs faster but it won't lose torque at any revs. It doesn't make any difference to power outputs. |
I disagree with that from what iv seen
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| 206 Gti 180 Cat-camshafts 804's, Cat cams CTPE 002 exhaust vernier pully, RS tuning remap, Cat back janspeed exhaust, K@N Typhoon induction kit- heat wrapped, Exhaust manifold heat wrapped, Goodridge brake flexi's poly bushs in rear lateral arms, blue led speedo convertion, 50mm Eibach sport line springs, ......
180 Doctor
Hemwoods Gti180 / Pug specialist | |
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Posted: Fri May 13, 2011 9:47 am |
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Joined: Feb 13, 2010
Posts: 451
Trade Rating: +2
Location: Stafford
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Torque is simply force with a rotational component, for simplicity's sake let's ignore the rotational component for the moment. Force = Mass(M) Acceleration(A) so if you decrease M (mass) and leave A (acceleration)constant then you would lose torque, but a lightened flywheel will accelerate faster than the stock unit so if you should see the same amount of torque.
Where am on about loose torque i mean with a lightened flywheel it has less momentum than the stock unit so it can "transfer" less torque to the drive train in the moment when the clutch engages the flywheel. So you have to give an engine with a lightened flywheel more revs to prevent it from bogging as you let the clutch out than you would an engine with a stock flywheel.
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| 206 Gti 180 Cat-camshafts 804's, Cat cams CTPE 002 exhaust vernier pully, RS tuning remap, Cat back janspeed exhaust, K@N Typhoon induction kit- heat wrapped, Exhaust manifold heat wrapped, Goodridge brake flexi's poly bushs in rear lateral arms, blue led speedo convertion, 50mm Eibach sport line springs, ......
180 Doctor
Hemwoods Gti180 / Pug specialist | |
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Posted: Mon Mar 25, 2013 8:47 pm |
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Joined: Mar 25, 2013
Posts: 12
Trade Rating: 0
Location: Athens, Greece
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pug1off versions supposed to be machined from solid chunk of steel (billet) and not cast metal... The question (for me) is how hard is it for this flywheel to get 'warped' and start causing vibrations like the standard one I've had in my GTi180 since 2005...
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Posted: Mon Mar 25, 2013 10:08 pm |
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Joined: Apr 03, 2010
Posts: 455
Trade Rating: +8
Location: Ashford, Kent
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While you boys are busy talking about torque and wotnot... might I suggest that we spitball some ideas as to how the flywheel warped in the first place such that its doesnt happen again??
A flywheel doesn't "just warp"...
With good OEM clutches, regular servicing of said item and someone who knows how to drive... it shouldn't happen.
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Posted: Tue Mar 26, 2013 5:19 am |
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Joined: Mar 25, 2013
Posts: 12
Trade Rating: 0
Location: Athens, Greece
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Good point!..
Indeed a flywheel doesn't just 'warp' but the ones in our GTi 180s are not really designed to last more than our OEM clutches and -for example- parking every day on a highly sloped road in reverse (like I've had to do for the past 8 years) can be quite a 'torture' both for the clutch plate and the flywheel, even though one tries to keep the rpm low enough and the entire process quick enough. If you replace just the clutch when the time comes but leave the same flywheel, it may not be such a wise option (of course that's open for discussion)...
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| Peugeot 206RC(GTi180) + Quaife ATB | |
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Posted: Tue Mar 26, 2013 2:22 pm |
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Joined: May 25, 2011
Posts: 1025
Trade Rating: +1
Location: south coast
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| SinfulDesignCom wrote: |
While you boys are busy talking about torque and wotnot... might I suggest that we spitball some ideas as to how the flywheel warped in the first place such that its doesnt happen again??
A flywheel doesn't "just warp"...
With good OEM clutches, regular servicing of said item and someone who knows how to drive... it shouldn't happen. |
to a point i will agree but looking at the number of 180's that have this problem i would say that there is a fault with the OEM design.
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Posted: Tue Mar 26, 2013 3:16 pm |
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Joined: Mar 25, 2013
Posts: 12
Trade Rating: 0
Location: Athens, Greece
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My guess is that it's a normal, cast steel flywheel which has been on a diet (to a point) and that the material used is nothing special.
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| Peugeot 206RC(GTi180) + Quaife ATB | |
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Posted: Thu Mar 28, 2013 3:41 am |
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Joined: Feb 08, 2010
Posts: 901
Trade Rating: +1
Location: Istanbul / Turkey
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Me and my friend will bought 3 set of light steel flywheel from TTV Racing.
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| 2005 206 RC RED
Bilstein B14 Coilover / Brembo 4 Pot Front 330x28 - Rear 325x8 / Quaife ATB Limited Slip Diff / Janspeed Catback
Lot's of CNC machined customs pars. | |
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Posted: Thu Jul 03, 2014 8:28 am |
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Joined: Jul 03, 2014
Posts: 2
Trade Rating: 0
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Does a warped flywheel make any noise or vibrations that you fel inte the pedal. Does it mather if the clutch is pressed or not?
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Posted: Thu Jul 03, 2014 2:25 pm |
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Joined: Mar 13, 2012
Posts: 239
Trade Rating: +1
Location: Spalding lincolnshire
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mine judders all the time from pulling off , just give it some more revs 
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