All Things Mk5 > Performance Modifications

spring rates

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the bruce:
I was looking for spring rates.


I've found these:


edit:

Motion Ratio front (fixed) .98 ;  Motion Ratio rear (fixed) .65

some more added:


1.
Tein springs G5 GTI:
Spring Rate (Front) (kg/lbs):  2.9 / 160
Spring Rate (Rear) (kg/lbs):  3.8 / 210

>>  29 and 38 N/mm 


2.
Volkswagen Racing UK springs:
(similar VW Zubehör/Driver Gear > different sources)

>>  31 and 33 N/mm


3.
Volkswagen Driver Gear:
Front 42N/mm, Rear 40N/mm linear rate

>> 42 and 40 N/mm


4.
Tein suspension:
Spring Rate (Front) (kg/lbs):   5 / 280
Spring Rate (Rear) (kg/lbs):  4 / 220

>>  50 and 40 N/mm 


5.
B16 PSS 10 Golf 5:
215 f, 285 r (both progressive)
Front: E4-FD1-Y704A00 = progressive; initial rate 32.8N/mm (approx 190lbs/in), secondary rate 43.4N/mm (approx 250lbs/in)
Rear: E4-FD1-Y754A00 = progressive; initial rate 33.0N/mm (approx 190lbs/in), secondary rate 50.1N/mm (approx 285lbs/in)
At static height:

>>  39 and 51 N/mm  (R32 B16: 250F and 285R lbs/inch)


6.
H&R Monotube:
VA 45 N/mm; HA 40 N/mm (29014-2) progressive

>> 45 and 40 N/mm


7.
KW Variant 3 Coilovers:
in fact these are progressive (data provided by manufacturer)

>> 50.56 and 44.17 N/mm


8.
H&R Monotube low:
VA 45 N/mm; HA 55 N/mm (29000-3) progressive

>> 45 and 55 N/mm


9.
AST 4100:
Spring Type/Rates:
2 Front 60mm Coilover Springs, 7" Long
2 Rear Swift 60mm Coilover Springs, 9" Long
The GTS package is 350 lbs/in front, 250 lbs/in rear

>> 64 and 45 N/mm


10.
K-sport springs are:
Spring Rate (Front) (kg/lbs): 7.4 / 414
Spring Rate (Rear) (kg/lbs):  4 / 224

>>  74 and 40 N/mm 


11.
Ground Control: Öhlins dampers + Eibach springs:
spring rates 450/in front and 350/in rear

>> 81 and 63 N/mm 


12.
Tein coilover:
Spring Rate (Front) (kg/lbs):    8 / 450
Spring Rate (Rear) (kg/lbs):   8 / 450    

>>  80 and 80 N/mm 


13.
K-Sport Schweiz Version 'Street':
VA = 9kg/mm; HA = 4.5kg/mm

>>  90 and 45 N/mm


14.
IS Racing SPORT:
VA 9kg
HA 5kg

>>  90 and 50 N/mm


15.
KW Clubsport Golf V/VI:
90  N/mm front and 70 N/mm rear
Federlänge 170 mm front and rear + helpersprings (10-60-80 vo + 20-60-80 hi)

>>  90 and 70 N/mm  (Audi A3 rear 80-200)


16.
VWR Suspension Kit:
90-170 and 70-170 + helper springs

>>  90 and 70 N/mm


17.
H&R Clubsport RSS:
514 front, 571 rear

>> 90 and 100 N/mm


18.
H&R Clubsport RSA Flachwerk:
VA. 160-60-110
HA: 160-60-80

>> 110 and 80 N/mm


19.
AST Coilover:
130kg (740 lb/in) and 90kg (513 lb/in)

>>  130 and 90 N/mm


20.
K-Sport with custom springs:
I was going to start w/ F: 12K, R: 7.4K

>>  120 and 74 N/mm


21.
K-Sport Schweiz Version Rally Asphalt:
VA = 12kg/mm
HA = 8kg/mm

>>  120 and 80 N/mm


22.
FYI - I installed the Ksports w/ different springs
Front: 12Kg, Rear: 8Kg
After a week worth of DDing, The spring rates don't seem high enough and the shocks don't
seem able to handle the increased spring rates (I've got them on full stiff and they feel good
for the street, but I'd want stiffer for AutoX/track).

>>  120 and 80 N/mm


23.
KW Competition 3-way, VA 120/140 and HA 90/140

>>  120 and 90 N/mm


24.
Mine is 16kg/mm for front, 12kg/mm for rear.
Suspension is Bilstein PSS9, with third party made high rated spring and attachment.
Attachment is made of aluminum billet, grinded.

>>  160 and 120 N/mm


25.
IS Racing RACE:
VA 16kg
HA 18kg

>>  160 and 180 N/mm


26.
K-Sport Schweiz Version Track:
VA = 16kg/mm; HA = 18kg/mm

>>  160 and 180 N/mm


27.
H&R Slalom coilover:
spring rates 180 front and 160 N/mm rear
lengh 120 mm front and 160 mm rear

>>  180 and 160 N/mm

the bruce:
11.
KW Competition 3-way for Nürburgring:

>>  120 N/mm und 90 N/mm

PDT:
Spring rates can be tricky to measure, especially if the spring is progressively wound. The old fasiones method of kg or pounds per inch doesn't apply to progressively wound springs in the same way. You also need to take pre-load into account.

All B16 springs are H&R, but made especially for Bilstein, although this is changing soon and all Bilstein kits will come with Eibach.

Carrera2RS:
I guess my PSS10's are the same as the PSS9's

They are stiffer than I expected but with the right damper settings are still comfortable enough

PDT:
Pss10 have the same spring part number as pss9. Just the damper thats different.

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