Whiteline S550 Coilovers

[Whiteline Performance]

Ford Mustang GT Coilovers for S550 2015-2018

Adjustable: Yes
Camber Adjustable: Only with our adjustable topmounts
Caster Adjustable: No
Dampening Adjust Type : Rebound dampening (12 clicks)
Damper Type: Coilover + Racing springs
Drop Height Front: 30-60mm
Drop Height Rear: 30-60mm
Height Adjustable: Yes
Spring Rate Front: 80N
Spring Rate Rear: 50N
Strut Tops Included: No​

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[EFI]

Interesting, in for more deets.

 

[NoVaGT]

How does it work with adjustable coil-overs?

Many friends owned sport-bikes that had adjustable suspensions, and whatever adjustments they tried, they just made their bikes handle worse. So how would an end-user know what the sweet-spot would be for their driving needs?

 

[Grintch]

A - start with the recommended settings
B - learn or don't mess with them

Hint - setting coilovers to their lowest ride height looks cool, but almost always makes the handling worse.

 

[NoVaGT]

Rrriiiiiiiiiiiiiiiiiiiiight.......

 

[BmacIL]

Can you please confirm the rates? That's ultra stiff in front and very soft out back, even if it's at the rear shock position.

 

[Grintch]

Can you please confirm the rates? That's ultra stiff in front and very soft out back, even if it's at the rear shock position.

Good point. 50N = 443 lb/in or 3 times the stock spring rate.

Also, given the front camber has no stock adjustment, including camber plates in the package is a very useful plus.

 

[BmacIL]

Good point. 50N = 443 lb/in or 3 times the stock spring rate.

Also, given the front camber has no stock adjustment, including camber plates in the package is a very useful plus.

80 N/mm = 456 lb/in = 2.7x stiffer than stock front
50 N/mm = 285 lb/in = 2.5x softer than stock rear (if at same spring location)

 

[Whiteline Performance]

Stock rear spring sits inboard vs the coilover location is further out towards the wheel. The effective spring rate on the rear matches the front at about 2x stiffer than stock...

 

[Competition Orange]

Is this really how you're trying to sell these things? LOL incredible.

 

[BmacIL]

Stock rear spring sits inboard vs the coilover location is further out towards the wheel. The effective spring rate on the rear matches the front at about 2x stiffer than stock...

I think you may want to look at this again. The rear shock location provides a motion ratio of approximately 0.7 versus 0.49 for the stock spring location. Wheel rate = spring rate * (motion ratio)^2. This means that the wheel rate with your spring is 140 lb/in. This is very nearly the same as stock for a GT PP.

 

[sigintel]

Great to have another option!
Pricing?
Materials?
Design in house?
Built in house?
Looking at Roush KW3 or KW3 direct w second set of Steeda Comp springs, how do these compare?

Uhhh, dont we want the helper on the opposite end?
So the main/helper interface cant ride the threads?
Dunno?

 

[Whiteline Performance]

Great to have another option!
Pricing? MSRP is $2,564.99 (Available for much less through most dealers)
Materials? Multiple Materials
Design in house? (Designed with AST)
Built in house? (Hand built in the Netherlands to Whiteline Specs)
Looking at Roush KW3 or KW3 direct w second set of Steeda Comp springs, how do these compare? More performance / track oriented than Roush and KW (Stiffer springs and valving)

Uhhh, dont we want the helper on the opposite end?
So the main/helper interface cant ride the threads? The helper does not interface the threads even at full compression. Having the weight of the main coil ride on top of the helper can make ride height adjustments and corner balancing ever so slightly more accurate...
Dunno?

See responses above. We will also be racing the car in the Optima Ultimate Street Car Series this year. We have a full season of Global Time Attack on them through a customers car.

 

[sigintel]

See responses above. We will also be racing the car in the Optima Ultimate Street Car Series this year. We have a full season of Global Time Attack on them through a customers car.

Originally Posted by sigintel
Great to have another option!
Pricing? MSRP is $2,564.99 (Available for much less through most dealers)
Materials? Multiple Materials
Design in house? (Designed with AST)
Built in house? (Hand built in the Netherlands to Whiteline Specs)
Looking at Roush KW3 or KW3 direct w second set of Steeda Comp springs, how do these compare? More performance / track oriented than Roush and KW (Stiffer springs and valving)

Uhhh, dont we want the helper on the opposite end?
So the main/helper interface cant ride the threads? The helper does not interface the threads even at full compression. Having the weight of the main coil ride on top of the helper can make ride height adjustments and corner balancing ever so slightly more accurate...
Dunno?

Tige tank!
Was looking for equivalent of 320 Front/ 1140 Rear.

 

[Static_LV]

Would be interested in seeing accurate spring rates and a shock dyno.

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