[s-cars] Okay, so my transmission is out. How do I know what I need to replace?

Tim Leonard nard1 at voyager.net
Mon Dec 1 16:24:27 EST 2003


They are from $7-900 and I'm cheap plus I do not want an ULTRAlight
flywheel. This is for street use mostly, not full rice.
Tim
----- Original Message ----- 
From: "Trevor Frank" <tfrank at symyx.com>
To: "Tim Leonard" <nard1 at voyager.net>; <kirby.a.smith at verizon.net>;
<Paul.Park at colorado.edu>
Cc: <s-car-list at audifans.com>
Sent: Monday, December 01, 2003 4:07 PM
Subject: RE: [s-cars] Okay,so my transmission is out. How do I know what I
need to replace?


>
> 2024 would be a better choice for material, imho.
>
> So why don't you want to buy one of 2 or possibly 3+ light weight
> flywheels already available?
>
> -----Original Message-----
> From: Tim Leonard [mailto:nard1 at voyager.net]
> Sent: Monday, December 01, 2003 12:54 PM
> To: kirby.a.smith at verizon.net; Paul.Park at colorado.edu
> Cc: s-car-list at audifans.com
> Subject: Re: [s-cars] Okay,so my transmission is out. How do I know what
> I need to replace?
>
> I spoke with a tech @ LuK (OEM supplier). He stated the dual mass should
> be
> replaced whenever the clutch is replaced. Much like the brake rotors
> when
> changing pads. He also said the dual mass cannot be resurfaced. All of
> the
> dual mass flywheels I have worked with did have play beyond spec which I
> was
> told to be a max of 10mm as measured at the outside circumference. I am
> presently contemplating having a run of 10 lightweight flywheels made to
> replace the dual mass flywheel which costs approx. $950 from the dealer.
> These LWFW's will cost about $500. They are made of 6061 T6 aluminum
> with a
> high carbon steel friction surface and a hardened steel ring gear.
> Weight is
> yet to be determined. I want to find the best compromise between street
> use
> (which is the most) and performance increase. Spec makes a clutch disc
> that
> has springs rather than the stock solid hub. This would be the choice to
> use
> for a single mass flywheel to help diminish chatter and engine
> harmonics.
> I've tried to cover all the bases on a dual to single mass flywheel
> conversion. Does anyone have anything to add that I haven't thought of?
> Spec
> probably makes a clutch replacement kit as does Sachs which will include
> the
> throwout bearing, clutch disc, pressure plate, and pinion bearing.
> Perhaps
> an alignment tool as well. Sachs does include the tool.
> Best,
> Tim Leonard
> ESCARGO
> Michigan
> ----- Original Message -----
> From: "Kirby Smith" <kirby.a.smith at verizon.net>
> To: <Paul.Park at colorado.edu>
> Cc: <s-car-list at audifans.com>
> Sent: Monday, December 01, 2003 9:08 AM
> Subject: Re: [s-cars] Okay,so my transmission is out. How do I know what
> I
> need to replace?
>
>
> > My understanding is that throwout bearings should be replaced whenever
> > one does the clutch.
> >
> > kirby
> >
> > Paul.Park at colorado.edu wrote:
> > >
> > > 1. The clutch disc...is trash
> > > 2. The Pressure plate has a mirror like finish on the inside.
> > > 3. The flywheel is very smooth:-/, but there's a *little* play. I
> don't
> know how
> > > much play is normal.
> > >
> > > How do I know if the throwout bearing is bad?
> > >
> > > Can I resurface the dual-mass flywheel?
> > >
> > > Thanks guys,
> > > Paul
> > > _______________________________________________
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