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Suspension | Chassis | Brakes -- Sponsored by 949 Racing Relating to suspension, chassis, and brakes. Sponsored by 949 Racing.


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Old 10-16-2017, 01:47 PM   #99
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I'll have to take a closer look. The Brembos are gorgeous but it's tough to beat the sexy ass 2-piece rotors that also only cost $165 bucks to replace.
On average, I would expect the CSG Brembo kit to have 4x the rotor life under severe (track) conditions.

Replacements can be found for under $120 each if you don't care about rotor brand (most people don't).
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Old 10-16-2017, 04:25 PM   #100
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On average, I would expect the CSG Brembo kit to have 4x the rotor life under severe (track) conditions.

Replacements can be found for under $120 each if you don't care about rotor brand (most people don't).
Why 4x the life? I don't know as much about brakes as I'd like yet.
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Old 10-16-2017, 04:49 PM   #101
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Why 4x the life? I don't know as much about brakes as I'd like yet.
Higher capacity = lower operating temps = less stress

Also, the metallurgy is far superior on the Brembo rotors. OEM Brembo rotors cost a lot because the metal is good.

AP Sprint rotors are designed to be tossed rather quickly, and thus use cheap metal because you're not expected to keep it a long time.

Even if you equalize the metallurgy, the sheer capacity of the Brembo kit will still yield a 3x longer life.
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Old 10-16-2017, 05:10 PM   #102
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I know I'm being a pain, but what's the part# for the rotor? Do you have a template available for wheel fitment?
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Old 10-17-2017, 08:11 AM   #103
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Originally Posted by Icecreamtruk View Post
I have run 245 PSS in a 7.5" wheel (17" and +45 offset, so very close to PP wheels). Dont do it, its awful, the car doesnt feel responsive at all, there is a lot of flex in the tire, I was marginally faster (like less than 1sec) than I was on the 215 Primacys. If you want a "soft cadillac ride" on the street, then yes, thats what it might feel like, but if you expect better performance out of them, I'd say stick with 215-225 in a 7.5" wheel (PSS is still a decent choice for street, but I'd pass them for track driving).
Y’all suck! Icecreamtruk, CSG Mike But seriously thank you for your honest and educated info.

Looks like the 3 thing on priority list one may have to change.
1, Keep wheels (I really do like the PP wheels)
2, Keep original OD. (With the 2017 lower gearing can not afford to reduce OD do not want to increase OD)
3, get a little wider tire.
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Old 10-17-2017, 02:34 PM   #104
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I know I'm being a pain, but what's the part# for the rotor? Do you have a template available for wheel fitment?
e-mail for the template.

Part number is identical to a OEM PP rotor.
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Old 10-17-2017, 02:41 PM   #105
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Y’all suck! Icecreamtruk, CSG Mike But seriously thank you for your honest and educated info.

Looks like the 3 thing on priority list one may have to change.
1, Keep wheels (I really do like the PP wheels)
2, Keep original OD. (With the 2017 lower gearing can not afford to reduce OD do not want to increase OD)
3, get a little wider tire.
225's are a little wider than OE

And unless you're competing you won't miss spending extra money on the 245's.
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Old 03-26-2018, 06:02 AM   #106
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Can someone also provide the Toyota part numbers? Not sure if Toyota sells this package in the US though. In Europe they have it available as an option.
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Old 04-01-2018, 10:38 PM   #107
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CSG Mike, what is the part number for those Brembo Slotted Rotors front and rear in the Counterspace kits? I still can't find a slotted rear in the stock PP size and your kits show slotted for front and rear, and Brembo no less...
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Old 08-15-2018, 05:09 PM   #108
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AP Sprint rotors are designed to be tossed rather quickly, and thus use cheap metal because you're not expected to keep it a long time.
Someone brought this post to my attention, and I had to comment. This is total BS. We have many hundreds of 86 owners running our Sprint Kit for years on the same set of discs.

The discs for our 86 kits have the same metallurgy as what we use on other platforms and in racing. Here's an example of the Speed Academy FR-S getting 50+ events out of one set of our 299mm discs. We had one Porsche 991 GT3 customer get 70+ days out of his.

The price on our discs is low because we buy thousands of them a year from AP Racing. The quality and longevity of our discs is unsurpassed. Take a look at our blog, and you'll see all types of cars running them with great success. Disc life is something our customers more or less universally rave about. https://www.essexparts.com/news-blog

To say they are low quality throw-aways is absolutely ridiculous. They have been proven over and over again to be the best bang-for-the buck on the market.
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Old 08-15-2018, 09:36 PM   #109
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Hi there...I competed in SoCal 86Cup in 2015-2017.

In these photos I have 17 track days on the AP Sprint kit versus 15 track days on the Brembo GT kit...obviously I would have liked to do this after I could get 2 more track days on the Brembo GT, but i think the photos speak for themselves. Same driver, same car, and same tires (260TW GTRadial SX2 on almost every day).

Hopefully this helps the data-oriented people in here to see why I praise the CSG Spec Brembo GT kit over the AP Sprint kit.

Also please please if you are using the AP Sprint kit make sure you INSPECT THE BACK of the rotors every couple of track days at least for internal diameter cracks...I would not have run my rotors for 17 days if I knew the ID was cracked on the backside...don't make the same mistake as me (I got lucky)!

Thanks,
Fil


NOTE: as pointed out by "strat61caster" and what is visible in the Excel spreadsheet is that I switched from Winmax to Project Mu...I also made suspension changes (JRZ + SPL Parts)
...I also probably changed my driving style...take everything with a grain of salt guys and gals


CSG Spec Brembo GT kit -- 15 track days


CSG Spec Brembo GT kit -- 15 track days


AP Sprint kit -- 17 track days


AP Sprint kit -- 17 track days


Excel spreadsheet of track days

Last edited by kinchu007; 08-15-2018 at 09:57 PM.
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Old 08-15-2018, 09:50 PM   #110
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Hopefully this helps the data-oriented people in here to see why I praise the CSG Spec Brembo GT kit over the AP Sprint kit.
Then why do you neglect to mention the change of brake pad?
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Old 08-15-2018, 09:55 PM   #111
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Then why do you neglect to mention the change of brake pad?
you make a good point
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Old 08-21-2018, 02:24 PM   #112
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Quote:
Originally Posted by kinchu007 View Post
Hi there...I competed in SoCal 86Cup in 2015-2017.

In these photos I have 17 track days on the AP Sprint kit versus 15 track days on the Brembo GT kit...obviously I would have liked to do this after I could get 2 more track days on the Brembo GT, but i think the photos speak for themselves. Same driver, same car, and same tires (260TW GTRadial SX2 on almost every day).

Hopefully this helps the data-oriented people in here to see why I praise the CSG Spec Brembo GT kit over the AP Sprint kit.

Also please please if you are using the AP Sprint kit make sure you INSPECT THE BACK of the rotors every couple of track days at least for internal diameter cracks...I would not have run my rotors for 17 days if I knew the ID was cracked on the backside...don't make the same mistake as me (I got lucky)!

Thanks,
Fil


NOTE: as pointed out by "strat61caster" and what is visible in the Excel spreadsheet is that I switched from Winmax to Project Mu...I also made suspension changes (JRZ + SPL Parts)
...I also probably changed my driving style...take everything with a grain of salt guys and gals



Welcome to the forum, and thanks for the data points.

How much does the disc weigh in your Brembo Kit (also curious about the caliper and pad weights if you don't mind)?

How much does the iron replacement disc cost for your Brembo Kit?

Finally, what do track pads cost for your calipers?

Thanks again.
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