MGW-Fla

And that is a great price. About 5-6 years ago we upgraded my son's Roush Mustang from Roush's PBR GT upgrade to the Steeda Cobra front brake kit & it was $500 for a similar package. And the Cobra rotors are 'only' 13".

xschop

928 Rotor = 16.5 LBs
928 Caliper = 16.0 LBs

Cayenne rotor = 23.7 LBs
Wilwood Caliper = 5.2 LBs

3.6 LBs (unsprung) savings per side

MGW-Fla

Is there a link to this Wilwood conversion kit as a package? Can't seem to find it on their web site?

billtool

Nice job. Hmmmmm....

Mike Simard

No, it's not something they are going to be motivated to do given the volume. I tried. I've shelved plans for making complete kits myself but I can get anyone a low price on Wilwood parts if you give me the part numbers.
You can get the adapters from Xschop.
The Wilwood parts are very good quality and one of the few companies I admire enough to become a dealer for.

linderpat

Refresh my recollection please. The stud shown in the first picture in post #1 that has the red paint on the end is painted for a purpose. Is it supposed to be the last nut torqued down to spec? And if so, why does it matter? Most old calipers no longer have the paint mark, and if there is a reason for the location (near the caliper?) I'm wondering why.

Benton

What brand are the rotors? Curious to see if/when someone uses these on the track, what the durability is like. Cool setup.

MGW-Fla

When I looked at their site, I couldn't find where they even list Porsche as an available option to order parts for? So did the Cayenne rotors come from Porsche or from Wilwood?

xschop

For the factory M.C. you should use Wilwood Superlite 1.62" piston calipers and 1.25" rotor width........Part #120-11133 x 2ea

and #150-8854K (street pads)

Today the weather broke and I will start mocking up a matching rear Wilwood set-up on S4 rotors and will send the prototypes to Ed. Also Mike Simard has the best prices on the Wilwoods.

I am running R1 Concepts brand rotors and they are stilling looking great after over a year of hard daily use.

Ed MD

FYI
Per the Manual, 44-8:
"If work on a car necessitates removal of a wheel, mark the stud nearest the valve before removing the wheel ( same position of wheel hub and brake disc when refitting). In this way, the optimum result attained by finish balancing is not lost. Futhermore, the lockable wheel nut must be mounted on the marked stud."

Cosmo Kramer

This is great, once a full 4 corner Wilwood setup is available I will take the plunge!

mark kibort

thats a good point.

S calipers are that heavy??? wow. S4s are light like wilwoods, probably lighter. was that with or without pads?

heinrich

What does this mean for a GTS or GT or S4?

mark kibort

nothing really, unless we can get an adapter made up to provide a small offset and spacer. I was drawing one up and it didnt look like it was possible. oh yeah, i stopped when i found out that the ends fo the calipers required radiusing that woudl cut into the cross over hard brake line.
The real answer would be making an adapter for the S4 to use the wildwood calipers., or some other axial mount 4 piston caliper, if there is such a thing.

Benton

S4 calipers = 7.2 lbs apiece.