It's Finally Here! The Wunderladen Racing Big Brake Kit!

[Austin@Wunderladen Racing]

Hey folks, I've been teasing this for a bit now in various places but we're officially taking orders for our big brake kit! We have a fairly detailed blog post that covers everything on our site found HERE.

Please feel free to share thoughts and questions! We're so excited to be able to offer a greatly versatile braking solution to the community

Product page HERE

 

[LBP]

Very nice, Austin. Same 350Z rotors as the RL retrofit but with better-matched calipers that have a wider track-oriented pad selection. I like it. Good price, too.

One question: I see no mention of rotor centering rings for the 350Z rotors. Do you feel these are unnecessary?

 

[Jason Baker]

Nice work Austin

 

[Austin@Wunderladen Racing]

Very nice, Austin. Same 350Z rotors as the RL retrofit but with better-matched calipers that have a wider track-oriented pad selection. I like it. Good price, too.

One question: I see no mention of rotor centering rings for the 350Z rotors. Do you feel these are unnecessary?

We experimented with centering rings on a proto kit but ultimately found them unnecessary. There wasn't really any less misalignment with them versus without. For it to control misalignment better than the stud holes the ring would need a slight interference fit but the issue is different rotor manufacturers have different hub bore sizes so in many cases the rings wouldn't make a difference anyway. From what we've seen with most manufacturers the lug holes have 0.5mm or less of clearance so misalignment is minimal without any hub rings.

 

[pinhead66]

Hey folks, I've been teasing this for a bit now in various places but we're officially taking orders for our big brake kit! We have a fairly detailed blog post that covers everything on our site found HERE.

Please feel free to share thoughts and questions! We're so excited to be able to offer a greatly versatile braking solution to the community

Product page HERE

The black coated rotors in the pictures are the EBC blanks? $150 for the pair is a really good price. Beautiful kit.

 

[Austin@Wunderladen Racing]

The black coated rotors in the pictures are the EBC blanks? $150 for the pair is a really good price. Beautiful kit.

Yessir, those are indeed the EBC blanks! I've received info that the black coating is their V2 rotor which will soon be replaced by their V3 which is more of a matte grey/silver coating. My understanding is the new coating is even more durable and they changed the color because they were getting complaints that the black didn't match typical factory silver rotor color...

 

[Ducota]

Nice, another option. I may just have to get these for my Accord Sport.

 

[pinhead66]

Yessir, those are indeed the EBC blanks! I've received info that the black coating is their V2 rotor which will soon be replaced by their V3 which is more of a matte grey/silver coating. My understanding is the new coating is even more durable and they changed the color because they were getting complaints that the black didn't match typical factory silver rotor color...

Looking at some YT videos of official apollo big brake kits for various vehicles, I see there are pad retainer clips that go under the bridge bolt. Will this kit come with it too or is it not necessary on this particular custom setup?

 

[ManitobaSI]

Congratulations on the bbk release. It looks like a great kit!

 

[Austin@Wunderladen Racing]

Looking at some YT videos of official apollo big brake kits for various vehicles, I see there are pad retainer clips that go under the bridge bolt. Will this kit come with it too or is it not necessary on this particular custom setup?

The pad spring clips are indeed a part of our kit as well

 

[pinhead66]

Was able to print out the fitment template tonight and do some measuring/comparing to other kits. My wheels are Motegi mr145 18x8.5 +42. The spoke design on these wheels are quite bbk friendly so I was hoping there wouldn’t be issues considering its not a wide wheel to begin with. Lucky for me, there’s plenty of clearance to the barrel being an 18” wheel and there’s the bare minimum of 3-4mm to the spoke. Worst case scenario I would need a 2-3mm spacer but i should be ok.

Comparing to other templates, the ebc caliper seems to be nearly identical to the stoptech caliper in terms of size, see second pic. Both have only 3-4mm of spoke clearance on my wheel. The 27won caliper is much slimmer and appears to be 9-10mm thinner than the ebc and stoptech caliper. See first pic.

 

[dthanb]

Hey folks, I've been teasing this for a bit now in various places but we're officially taking orders for our big brake kit! We have a fairly detailed blog post that covers everything on our site found HERE.

Please feel free to share thoughts and questions! We're so excited to be able to offer a greatly versatile braking solution to the community

Product page HERE

Looks great. Any pic of blue and black street version on car?

Do you happen to know min spacer needed for oem si wheels?

 

[Austin@Wunderladen Racing]

Was able to print out the fitment template tonight and do some measuring/comparing to other kits. My wheels are Motegi mr145 18x8.5 +42. The spoke design on these wheels are quite bbk friendly so I was hoping there wouldn’t be issues considering its not a wide wheel to begin with. Lucky for me, there’s plenty of clearance to the barrel being an 18” wheel and there’s the bare minimum of 3-4mm to the spoke. Worst case scenario I would need a 2-3mm spacer but i should be ok.

Comparing to other templates, the ebc caliper seems to be nearly identical to the stoptech caliper in terms of size, see second pic. Both have only 3-4mm of spoke clearance on my wheel. The 27won caliper is much slimmer and appears to be 9-10mm thinner than the ebc and stoptech caliper. See first pic.

I would feel perfectly comfortable with that much clearance.

The 27Won caliper outline is similar to the EBC caliper but it is a bit narrower (I'm guessing) because they are using a 28mm thick rotor. EBC has a slimmer version as well that accepts up to a 28mm rotor and it is about 5-6mm narrower that the wider version we are using which accepts up to a 32mm rotor. Because the 350Z rotor is 30mm thick we have to use the wider version of the caliper and lose a bit of wheel clearance.

Looks great. Any pic of blue and black street version on car?

Do you happen to know min spacer needed for oem si wheels?

Thanks! Unfortunately we only have pics with the red calipers installed but here is what the blue and black calipers look like.

We haven't checked with a stock wheel but I would wager a guess it will need either a 20mm or 25mm spacer to clear.

 

[st4xor]

Looks great. Any pic of blue and black street version on car?

Do you happen to know min spacer needed for oem si wheels?

Using the template (I have not yet confirmed on the car) I measured about 11mm of spoke interference on my 2020 Si wheels. I think my current plan is to use a 20mm spacer since that seems to be the community consensus choice for flush/fitment with stock wheels.

Maybe you could run a tad smaller spacer but ymmv and it might require a couple test fits with some different sizes.

 

[st4xor]

Received my WR BBK kit rotors over the weekend, and was pleasantly surprised at what I found and figured I would share my findings. These are the "EBC Blank" rotors offered as an add-on to the kit--and at a bundled price that is a _steal_ compared to retail for the same rotors bought separately, I will add.

I figured I would compare the BBK rotors to the Centric 120 Series blanks in the stock Si size I have been using as track equipment up to this point. The centric casting is also used for some (all?) of the "Stoptech" offerings in the stock Si size, but ymmv. I have not ever bought or handled any EBC rotors in the stock Si size--so can't comment of some of these features are available in the EBC Si offerings.

Comparing the main dimensions, I measured the rotor faces of the EBC rotors (~7.3mm) to be about 12% thicker than the Centric Si rotor (6.5mm), but the cooling channel in the middle of the rotor was 25% bigger on the EBC Rotor (15.2mm) compared to the Centric Si rotor 12.1mm).

I don't see EBC mention "pillar vane" in any of their marketing materials, but the vanes are definitely more round and varied in size, with the largest EBC vanes/pillars being quite substantial and looking ready for some abuse.

Also, the EBC casting is completely open and vented on the back (inboard) side, whereas the centric just has some holes from the backside and is more open on the front (wheel spoke) side

WR Kit/EBC Rotor backside:

Centric 120 Series Si Rotor backside:

Overall the EBC offering looks like a quality set of rotors. Makes the Centric Si rotors look very much "economy car" in comparison. Was pleasantly surprised by some of the features not captured by the pure numbers/specs, so figured I would share.