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Prodrive P1 Lowering Springs - Rare Purchase opportunity.

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Old 01 April 2015, 09:04 PM
  #361  
topshot
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Originally Posted by 2pot
The agx at setting 2/4 = the excel-g - which is, in turn, 15% uprated from the standard twin-tube damper.
There is no performance advantage using the agx, over the excel-g, when using P11L springs. As the agx should be set at 2/4, to match the P11L.
The Koni inserts are a higher quality damper and infinitely adjustable. They would be an improvement with the P11L and the WR15R/T.

Just seen your edit:
The P1 springs were rated, on a US site as 215/195. Therefore, thought to be outside the range of the excel-g and gr2(silver excel-g).
Thanks I didn't realise the excel g were different to OEM spec, based on that I just need to decide now whether to go excel G or Konis for a bit more flexibility.
Old 03 April 2015, 05:46 PM
  #362  
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Have they landed Mark?
Old 03 April 2015, 09:22 PM
  #363  
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Originally Posted by piehole1983
Have they landed Mark?
Well, if they did, they didn't tell me.
Don't suppose I'll hear anything 'til tuesday onwards now.
Old 03 April 2015, 10:56 PM
  #364  
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Dammit! Holidays.......
Old 06 April 2015, 08:56 PM
  #365  
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I have a quick question concerning the WR15 R/T springs.

I recently acquired a set of late bilsteins and a set of the original p1 springs. Would there be any benefit getting the WR15 R/T springs if i already have the p1 springs? I heard that the p1 springs are a bit overdamped in the rears when using the late bilsteins and was wondering if the WR15 R/T springs would be a better match.

Thanks,
Old 06 April 2015, 09:12 PM
  #366  
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twistybits - P11 L
topshot - P11 L tt+£50
Scooby Wagon - P11 L
piehole1983 - P11 L (NI) in
Rob669 P11 L tt+£50
Sad Weevil P11 L in
OBSTi P11 L (US) in
Laupy P11 L tt+£50
Donkey Dave P11 L in
awdftw P11 L (Can) tt +£50
usdm P11L (US) tt+£50
Nick_Cat P11 L tt+£50

2pot WR15 R/T tt +£50
Scott.T WR15 R/T in
qsl WR15 R/T (US)tt+£50
Geddesk2_2 WR15 R/T (US)
HighRevimpreza WR15 R/T (US)
Eacy WR15 R/T (Denmark) tt+£50
Scoobyedge WR15 R/T

Vee P11
Mtb_ed P11
P1 Steve73 P11
rusty&dusty P11
KRob P11
allsop83 P11
Old 06 April 2015, 09:17 PM
  #367  
mrgc8
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Originally Posted by 2pot
The agx at setting 2/4 = the excel-g - which is, in turn, 15% uprated from the standard twin-tube damper.
There is no performance advantage using the agx, over the excel-g, when using P11L springs. As the agx should be set at 2/4, to match the P11L.
The Koni inserts are a higher quality damper and infinitely adjustable. They would be an improvement with the P11L and the WR15R/T.

Just seen your edit:
The P1 springs were incorrectly rated, on a US site, as 215/195. Therefore, thought to be outside the range of the excel-g and gr2(silver excel-g).
Hi 2pot

When you say the excel g is 15% uprated from the standard twin tube, you mean the stock strut of the classic impreza? I was going to get the agx but now you cleared my confusion and will get the excel g instead.

Is the excel g still %15 stiffer than a stock version 4 sti NON type R/RA?
Old 06 April 2015, 10:05 PM
  #368  
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Originally Posted by mrgc8
Hi 2pot

When you say the excel g is 15% uprated from the standard twin tube, you mean the stock strut of the classic impreza? I was going to get the agx but now you cleared my confusion and will get the excel g instead.

Is the excel g still %15 stiffer than a stock version 4 sti NON type R/RA?
Hi

Yes; 15% uprated, from the stock, twin-tube, classic Impreza strut.

I've wondered if the excel-g/gr2, is a copy of the v4 STI valving?

The v4 sti springs are, supposedly, 196/174. But who knows? Given how far out, the true measurements of the P1's, proved to be, from internet assertions.

Last edited by 2pot; 06 April 2015 at 10:07 PM.
Old 07 April 2015, 11:23 AM
  #369  
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Eibach have re-designated the P11-6, the P11 L
I've now increased the order of P11 L's to 50.
So, a price break kicks in - £235 delivered mainland UK

WR15 R/T - currently £290 delivered mainland UK

Please add below, if your dampers are inverted (in) or twin-tube (tt).

If twin-tube, do you want a matched bumpstop/dust boot kit? +£50

If inverted, and you want bumpstops - contact peter@pcadynamics.com www.pcadynamics.com
£62.40 UK delivered - kits for early Bilstein, late Bilstein and inverted KYB.

twistybits - P11 L in
topshot - P11 L tt+£50
Scooby Wagon - P11 L
piehole1983 - P11 L (NI) in
Rob669 P11 L tt+£50
Sad Weevil P11 L in
OBSTi P11 L (US) in
Laupy P11 L tt+£50
Donkey Dave P11 L in
awdftw P11 L (Can) tt +£50
usdm P11L (US) tt+£50
Nick_Cat P11 L tt+£50

2pot WR15 R/T tt +£50
Scott.T WR15 R/T in
qsl WR15 R/T (US)tt+£50
Geddesk2_2 WR15 R/T (US)
HighRevimpreza WR15 R/T (US)
Eacy WR15 R/T (Denmark) tt+£50
Scoobyedge WR15 R/T
Old 12 April 2015, 10:03 AM
  #370  
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So are these available yet? Need to get some springs this coming week..

Steve
Old 12 April 2015, 10:58 AM
  #371  
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Originally Posted by scooby.steve555
So are these available yet? Need to get some springs this coming week..

Steve
According to Eibach UK, P11L's now due to arrive 16th April.
Old 15 April 2015, 09:18 PM
  #372  
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Originally Posted by 2pot
According to Eibach UK, P11L's now due to arrive 16th April.
Yeh !!!!! (does a little dance round the room)
Shame I want the WR's though

Last edited by Scott.T; 15 April 2015 at 09:19 PM.
Old 16 April 2015, 12:43 AM
  #373  
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Hello fellow subaru enthusiasts
big respect to 2pot and Scott.t for making this happen
ill take a set of p11 L thanks.
will the p11 L need to use the rubber insulator tubing stuff on the bottom coils?
also just out of interest whats the benefits of the ground top coil on the wr15 R/T.

Eibach have re-designated the P11-6, the P11 L
I've now increased the order of P11 L's to 50.
So, a price break kicks in - £235 delivered mainland UK

WR15 R/T - currently £290 delivered mainland UK

Please add below, if your dampers are inverted (in) or twin-tube (tt).

If twin-tube, do you want a matched bumpstop/dust boot kit? +£50

If inverted, and you want bumpstops - contact peter@pcadynamics.com www.pcadynamics.com
£62.40 UK delivered - kits for early Bilstein, late Bilstein and inverted KYB.

twistybits - P11 L in
topshot - P11 L tt+£50
Scooby Wagon - P11 L
piehole1983 - P11 L (NI) in
Rob669 P11 L tt+£50
Sad Weevil P11 L in
OBSTi P11 L (US) in
Laupy P11 L tt+£50
Donkey Dave P11 L in
awdftw P11 L (Can) tt +£50
usdm P11L (US) tt+£50
Nick_Cat P11 L tt+£50
4camturbo P11 L in

2pot WR15 R/T tt +£50
Scott.T WR15 R/T in
qsl WR15 R/T (US)tt+£50
Geddesk2_2 WR15 R/T (US)
HighRevimpreza WR15 R/T (US)
Eacy WR15 R/T (Denmark) tt+£50
Scoobyedge WR15 R/T
Old 17 April 2015, 09:39 AM
  #374  
twistybits
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Hi,

I sent you a PM 2pot, sorry for the delay, don't check back here to often at the moment

, I am not sure if my dampers are inverted (i think) or twin tube

I have the standard dampers as fitted to the P1, does anyone know the type?

Cheers

TB
Old 17 April 2015, 05:53 PM
  #375  
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twistybits,
you should have the red kyb inverted ones
but they might not be so red now depending on how many winters they have seen
Old 21 April 2015, 02:39 PM
  #376  
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Just received an update from Eibach.

P11L now due next week - delay in the arrival of the correct size protective polyurethane sheathing

WR15R/T still on schedule for end of April
Old 21 April 2015, 02:45 PM
  #377  
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Originally Posted by twistybits
Hi,

I sent you a PM 2pot, sorry for the delay, don't check back here to often at the moment

, I am not sure if my dampers are inverted (i think) or twin tube

I have the standard dampers as fitted to the P1, does anyone know the type?

Cheers

TB
As 4camturbo rightly says, they are kyb inverted on the P1.

You may want to consider changing the internal inverted damper bump stops, while your at it?

https://www.scoobynet.com/suspension...bumpstops.html
Old 21 April 2015, 06:05 PM
  #378  
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Originally Posted by 4camturbo
will the p11 L need to use the rubber insulator tubing stuff on the bottom coils?
also just out of interest whats the benefits of the ground top coil on the wr15 R/T.
Protective sheathing - Yes.
Unless the distance between the top and bottom spring perches is reduced (custom strut), there's no alternative, to a coil-on-coil variable rate spring design, at the specified rates. Otherwise, the spring could become unseated at full droop.

In the case of the P11L and WR15R/T, the rate change from the low rate coil-on-coil section is above the specified ride height. This ensures the inactive coils are stacked together, at least 20mm above the ride height. This results in a minimal rate change from the specified ride height, until the rate curve of the bump stop, interacts with the rate curve of the spring.

Ground, closed top coils on the WR15R/T allow an even distribution of pressure across the spring. Ground, closed coils also mitigate against coil bind, should that be necessary for the design constraints.

HTH

Last edited by 2pot; 21 April 2015 at 06:08 PM.
Old 23 April 2015, 07:13 PM
  #379  
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P11L fronts - they exist

Name:  P11Lfront_zpsnbxffetn.jpg
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Old 23 April 2015, 07:23 PM
  #380  
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Old 23 April 2015, 07:40 PM
  #381  
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Originally Posted by OBSTi

Just need the rears now - delay with the rear sheathing size -supposedly 30th April for delivery to UK
Old 23 April 2015, 08:17 PM
  #382  
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Should be with us and fitted just in time for the summer! Are the bumpstop/covers all ready to go?

Last edited by topshot; 23 April 2015 at 08:18 PM.
Old 23 April 2015, 08:27 PM
  #383  
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Originally Posted by topshot
Should be with us and fitted just in time for the summer! Are the bumpstop/covers all ready to go?
Yes - I've already delivered the twin-tube stops/covers to Eibach

Last edited by 2pot; 23 April 2015 at 08:28 PM.
Old 26 April 2015, 09:45 PM
  #384  
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Hmm Red......look good but not as good as the WR's colour choice
Old 27 April 2015, 10:30 AM
  #385  
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In your best karaoke voice:


Last edited by 2pot; 22 May 2015 at 06:30 PM.
Old 29 April 2015, 10:52 AM
  #386  
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Just had a PM.
To make it clear: the P11L and WR15R/T, front and rear, are intentionally linear, from 20mm above their ride height, to coil bind - their spring rate stays the same, regardless of compression, in that window of operation.
HTH
Old 05 May 2015, 05:40 PM
  #387  
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Any update on when these will be ready to buy?
Old 06 May 2015, 08:43 AM
  #388  
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Originally Posted by topshot
Any update on when these will be ready to buy?
Still awaiting delivery of P11L rears, at Eibach-UK. Deliveries from Eibach-Germany, arrive Thursdays/Fridays.
Old 07 May 2015, 10:04 AM
  #389  
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Info just received from Eibach UK:
PU rear sheathing now at Eibach, Germany.
Delivery of rears now scheduled for 14th May.
Old 07 May 2015, 02:48 PM
  #390  
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This news would upset me more if my car were actually running right now.

So, its only mildly disappointing.


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