No subject

through Alex at Europrice.

Paul

----- Original Message -----
From: Thompson <thompson at audisport.com>
To: Paul Gailus <gailus at mindspring.com>; <apennell001 at yahoo.com>;
<s-car-list at audifans.com>
Sent: Wednesday, May 07, 2003 8:30 AM
Subject: Re: [s-cars] OE spring options


> *This message was transferred with a trial version of CommuniGate(tm) Pro*
> Thanks for the write up and part numbers. Were you able to order these
> directly through AoA or did you use another source? I wonder if the rear
> sport spring could be used with an adjustable perch for my trailer towing
on
> my S4? I used to have a set of Spax adjustable rears on my type44 Avant.
> Worked great until the ravishes of Vermont salt took over.
>
> T-
>
> > From: "Paul  Gailus" <gailus at mindspring.com>
> > Reply-To: "Paul  Gailus" <gailus at mindspring.com>
> > Date: Tue, 6 May 2003 23:52:49 -0500
> > To: "Thompson" <thompson at audisport.com>, <apennell001 at yahoo.com>,
> > <s-car-list at audifans.com>
> > Subject: Re: [s-cars] OE spring options
> >
> > *This message was transferred with a trial version of CommuniGate(tm)
Pro*
> > As an FYI, I installed the following "sport suspension"
> > springs on my S6 last summer:
> >
> > Front: 4A0 411 105 R   1 silver, 2 violet
> > Rear: 4A5 511 115 AG  1 yellow, 3 blue
> >
> > The fronts are for '93-'94 AAN with air cond & manual
> > tranny, or S6 plus without air cond.
> > Inteestingly, '92's show the same part number but the
> > color code was 1 yellow, 3 blue like the North American '92's.
> >
> > As Chris mentioned, the rears are for all 92-97 sedans
> > with sport suspension.
> >
> > I like these springs a lot. There was very little body drop
> > that I could observe, probably less than 10mm.
> > No problem aligning to spec with standard camber plates.
> >
> > I put on Bilstein HD's front and rear. On the rear I noticed
> > that the HD's kept the spring loaded enough on the spring
> > mounts at full extension to prevent it from ever shifting
> > off the mounts. However, there was not all that much
> > extra margin with the shorter free length of these springs.
> > So I believe that the Bilstein Sports should be OK too.
> > (I had Sports on hand just in case I changed my mind.)
> >
> > Not having the proper fixturing or setup to test the
> > spring rate with enough loading to get past the
> > "end effects", I came up with some calculated values
> > last year:
> >
> > Rear  4A5 511 115 AG   1 yellow, 3 blue
> > 0.540" wire diameter
> > 4.6" outside diameter  (4.6-0.54 = 4.06" mean diameter)
> > 12.0" free length end-to-end
> > 10.25" estimated active coil length
> > 6 active coil turns  (8 total turns)
> > Calculated spring rate = 304 lb / inch assuming spring
> > steel of  11.5 x 10E6 psi modulus
> >
> > Front  4A0 411 105 R  1 silver, 2 violet
> > 0.635" wire diameter
> > 7.0" outside diameter  (7.0-0.635 = 6.365" mean diameter)
> > 12.75" free length end-to-end
> > 11.5" estimated active coil length
> > 4 active coil turns  (5.75 total turns)
> > Calculated spring rate = 227 lb / inch assuming spring
> > steel of 11.5 x 10E6 psi modulus
> >
> > Paul
> > 93 S4
> > 95 S6
> >