Vorshlag vs. Ground Control (camber plates)

[hwy84]

Oh I see race plates GC dont allow for stock diameter spring type..
Seems like the touring plates may be the best match for me.

I've had all three types: One Vorschlag, one GC Touring, and three different sets of GC Race plates, both the early and modern versions.

The GC race plates ALL make noise - and all require regreasing/rebuilding if you daily the car. My experience is that even the new ones require this. They offer a range of spring hats, to work with various coil-over springs. Since those springs are small diameter, the plates are slotted to offer maximum camber adjustability, though the old generation had issues where the bolt heads would limit how much travel you could use (the hit the inside of the strut tower hole) Even with that limitation - I ran just over 5 degrees of negative camber with all my sets (this will depend on how low your front is).

The GC Touring Plates make no noise, and require no maintenance. Since they are designed to work with stock diameter springs (like your IE3s) they offer less adjustability - since the spring will contact the strut tower anyhow if you dial in too much camber. With H&R race and the touring plates, I was running about -3.5 degrees of camber. Yours will be similar with the IE3s.

The Vorschlag plates make much less noise than the GC race, and don't "pop, pop, pop" when you turn lock to lock on the street. They offer the same adjustability as the GC race plates, with no interference with the strut tower hole, AND work with even stock spring diameter, if you pop for the correct spring hats. HOWEVER, with stock diameter springs, you are still limited to about -3.5 degrees of camber, since the spring will hit the strut tower before you run out of plate adjustment.

Short version - if you are gonna stick with your IE3s - get the GC touring plate. Make sure you spec the right struts you are running, so they send you the correct bushing/bearings.

[Balleristic31]

My spec plates are loud on the street. But they rock.

[ethirtydavid]

good info there, thanks for the input guys-

[e46s54dr]

Kind of a late response but the Vorshlag plates are made of steel vs the aluminum GC plates. Im sure the Voshlag plates will outlast the GC plates in the long run but both will probably outlast our e30s so it shouldnt matter too much. Lol

[fporro]

I ran K-macs for a while, more stack height, hence I got away with 6" main springs on my H&R coilovers.

Nowadays it's GC's race plates, must be old design since had them for a while., lower stack height, requires longer springs.

As of late, the binding had become unbearable., so took them apart and purchased some brass flanges to fill gaps between spacers and shock's shaft.

- no more rattle, no more binding, no more loose nuts.

- as fas as perches, GC has 2.25 as well as 2.5"/60mm ones to fit various springs.

Also added Afco's coilover bearing plates, makes turning perches a lot easier.
same goes for rear.

here's GC's spacers, they do not fill gap with my bilsteins.


you can see gaps here...


with IE's 7" 300lbs springs,


tender spring removed, H&R top perch in place, see spacers on shock's shaft ? this pics also shows tender spring, removed from other pics to make things easier to work with (for pics only).


GC's bearing covered, as you can see, one of the two spacers not in place as on fisrt picture...


GC's top perch atop H&R's top perch as my springs still too short, been running it like this for years and not the source of binding, second spacer in place
look at that huge gap...


first flange in place, it helps center lower shaft in bearings...


upper GC perch showing gap at shocks shaft.


upper brass flange in place...


strut assambled...