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BRZ Second-Gen (2022+) -- General Topics General topics for the second-gen BRZ


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Old 12-08-2021, 04:13 PM   #15
ayau
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Originally Posted by JRitt View Post
We typically don't offer individual brake kit components separately for a variety reasons, as detailed in this blog post: Can I Buy AP Racing by Essex Brake Components Separately?



That said, this is a unique situation that could justify an exception, and we need to discuss it internally. Maybe we could set something up by which owners turn in their old Gen.1 brackets to us before we ship out the new ones, thus removing them from circulation?



What we can't have is a thousand sets of Essex-designed Gen.1 caliper brackets flooding into the classified section of these forums and eBay. People will be attaching all sorts of questionable calipers to them on Gen.1 cars and then calling us asking why their brakes won't work properly (yes, sounds ridiculous, but that's what literally happens). Someone will also figure out how to mate our brackets to an XYZ caliper on a Ford Fiesta, and then our service team will waste the next four years answering questions about what other parts they need to complete 'their kit'. We need to avoid that.


I can't promise anything other than we will do our best to come up with an equitable solution for our loyal customers. I'm confident we'll be able to figure something out. Thanks for the suggestion Kado!
Too bad you can't have the customer easily 'destroy' the bracket and send a picture as evidence before ordering the new bracket. Some companies will just tell the customer to snip the cable and send a picture.

Issues with running a real business lol. Reduce headache and liability as much as possible. Tough situation but completely understandable.
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Old 12-08-2021, 10:03 PM   #16
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Looking forward to the front & rear Radi-CAL kit!
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Old 12-09-2021, 07:48 AM   #17
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Originally Posted by Stonehorsw View Post
What is Essexs opinion on the geometrical distribution? Any plan for changes? How is the bias affected with the planned braking system (considering geometric and mu also)?
Also, for the thermal mass, any plan for testing? (E.g.: AMS magazine testing comparing OEM vs Essex)

My wish (not yet a plan ) is to get a good front brake in a year or two (need to save some $ to get there).
We never just throw parts at a vehicle unless they are appropriate for it. In other words, when we measure a car we look at front-to-rear weight distribution, center of gravity, curb weight, front/rear brake bias stock, what mods we think our typical customer will do with it including tires, power adders, etc. Then we decide what size discs we want to use that will have enough thermal capacity to manage the situation. Then we select the calipers that have the proper piston sizes so when mated to our chosen discs, will produce a similar brake torque output to the OEM setup at both ends of the car. That means a seamless integration when you add the brakes to either end of the car...no funky ABS issues, bias is properly set up, etc.

If you check out our blog, you can see our results and feedback on a huge array of cars, including many Gen.1 86s. (86 reviews are older and tend to be further down if you scroll): https://www.essexparts.com/news-blog

If you'd like to watch some videos on how we do what we do, you can see some here. I'd suggest Know Brakes 6 on this page, and the FAQ...actually all the ones on this page. I lay it all out in these. Thanks!

https://www.essexparts.com/essex-des...ion-brake-kits
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Old 12-09-2021, 08:38 AM   #18
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Originally Posted by JRitt View Post
We typically don't offer individual brake kit components separately for a variety reasons, as detailed in this blog post: Can I Buy AP Racing by Essex Brake Components Separately?



That said, this is a unique situation that could justify an exception, and we need to discuss it internally. Maybe we could set something up by which owners turn in their old Gen.1 brackets to us before we ship out the new ones, thus removing them from circulation?



What we can't have is a thousand sets of Essex-designed Gen.1 caliper brackets flooding into the classified section of these forums and eBay. People will be attaching all sorts of questionable calipers to them on Gen.1 cars and then calling us asking why their brakes won't work properly (yes, sounds ridiculous, but that's what literally happens). Someone will also figure out how to mate our brackets to an XYZ caliper on a Ford Fiesta, and then our service team will waste the next four years answering questions about what other parts they need to complete 'their kit'. We need to avoid that.


I can't promise anything other than we will do our best to come up with an equitable solution for our loyal customers. I'm confident we'll be able to figure something out. Thanks for the suggestion Kado!
Totally understand that. I'd happily turn in my Gen 1 bracket for a Gen 2 bracket. Love the work that you guys do.
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Old 12-09-2021, 09:42 AM   #19
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Originally Posted by JRitt View Post
We never just throw parts at a vehicle unless they are appropriate for it. In other words, when we measure a car we look at front-to-rear weight distribution, center of gravity, curb weight, front/rear brake bias stock, what mods we think our typical customer will do with it including tires, power adders, etc. Then we decide what size discs we want to use that will have enough thermal capacity to manage the situation. Then we select the calipers that have the proper piston sizes so when mated to our chosen discs, will produce a similar brake torque output to the OEM setup at both ends of the car. That means a seamless integration when you add the brakes to either end of the car...no funky ABS issues, bias is properly set up, etc.

If you check out our blog, you can see our results and feedback on a huge array of cars, including many Gen.1 86s. (86 reviews are older and tend to be further down if you scroll): https://www.essexparts.com/news-blog

If you'd like to watch some videos on how we do what we do, you can see some here. I'd suggest Know Brakes 6 on this page, and the FAQ...actually all the ones on this page. I lay it all out in these. Thanks!

https://www.essexparts.com/essex-des...ion-brake-kits
Thanks a lot, I will read through the links you sent. How do you set the bias? Geometrically or torque based?
I ran a quick calculation based on Limpert’s book, see below (take with a grain of salt as a did it very quickly). Those were ran with available info from Subaru.
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Old 12-11-2021, 11:31 PM   #20
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Endurance kit please.
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Old 12-16-2021, 11:30 AM   #21
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We've made some great progress this week! We confirmed that we do need a new caliper bracket in order for our Sprint Kit designed for the Gen.1 cars to fit the '22 BRZ. That design is completed and we're trying to see where we can slot it into our manufacturing schedule.

Some may consider this even more exciting...we were able to fit one of our front and rear Radi-CAL Competition Kits on the car! Our front CP9660 option even clears the OEM 18" wheels without a spacer (our front CP9668 kit will require a spacer). Our rear kit also clears the OEM wheel without a spacer and a couple mm to spare. It also retains full parking brake functionality.

If you'd like to see the details on the Radi-CAL kits, they can be found in the links below. We may need to do a new brake line, and a few other small tweaks to this system, so please nobody order these with the intent of putting them on your '22 BRZ!

Front Radi-CAL Kits


Front AP Racing by Essex CP9660/355mm Radi-CAL Competition Brake Kit


Front AP Racing by Essex CP9668/355mm Radi-CAL Competition Brake Kit


The only difference between the two kits above is the caliper. You can read about the two caliper options here:


Sibling Rivalry: Which AP Racing Radi-CAL is Right for me, the CP9660 or CP9668?

The CP9668 option uses a 25mm thick pad...a full inch thick. On one of these cars, you would possibly never need to change your brake pads ever again!





Matching Rear Kit


Rear AP Racing by Essex CP/340mm Radi-CAL Competition Brake Kit


On to the pics...











Last edited by JRitt; 12-16-2021 at 02:15 PM.
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Old 12-16-2021, 11:31 AM   #22
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Endurance kit please.

The Radi-CAL Kits above could be considered Endurance+ Kits.
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Old 12-16-2021, 12:45 PM   #23
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Wow, that is a LOT of brake for this car. Great stuff, Jeff.
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Old 12-16-2021, 02:36 PM   #24
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Wow, that is a LOT of brake for this car. Great stuff, Jeff.

Thanks Pat! It is indeed a lot of brake capacity for this chassis. Many of the bigger, far more powerful cars highlighted on our Essex Blog are running this same setup and winning national championships. Our Radi-CAL Kit will withstand anything a built BRZ/86 can throw at it. You could run a 24 hour race with an LS engine swap, huge twin turbos, etc., and it wouldn't phase our system at all.


You know what's really cool though? We are still going to shave considerable unsprung weight vs. the OEM brakes. Despite the huge increase in thermal capacity, our front Radi-CAL 355mm kit weighs about 6-8 lbs. less than the OEM front brakes, and our rear kit will weigh in the neighborhood of 3-4 lbs. less.
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Old 12-16-2021, 02:46 PM   #25
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These require 18"+ wheels, right?
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Old 12-16-2021, 04:51 PM   #26
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The Radi-CAL is a proper system!
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Old 12-18-2021, 11:51 PM   #27
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I'll be sticking to 17's, so interested in whatever you sell for the 22 that will clear 17's. Any estimate on when we can order it? Thanks for the updates.
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Old 12-20-2021, 11:55 AM   #28
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These require 18"+ wheels, right?

I believe we have had a few people fit 17's over some of our CP9660/355mm systems on various platforms, but it is a super tight fit. 18's tend to clear no problem, particularly among aftermarket options.


Quote:
I'll be sticking to 17's, so interested in whatever you sell for the 22 that will clear 17's. Any estimate on when we can order it? Thanks for the updates.

It looks like we'll still have two front options that will easily fit under many 17's...our 299mm and 325mm CP8350 systems (just like what we offered for the Gen.1 cars).


The Radi-CAL system above will be available almost immediately after the new year. The 325mm system will likely be next, and finally our smallest 299mm system since that needs to be reworked more than the others.
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