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7075 will be used for hats and 6061 for the brackets. Small bump on prices to $850 to account for the material change.
I've opened up my site, 370zed, for orders, too. |
One more update:
TIL that the brake line into the akebono caliper is a flare fitting, and the akebono has a specially designed inlet for it. So despite fitting dimensions being the same, the hard line just slides in and out and leaks. Rookie mistake on my part. Got some stoptech lines for both the 370Z and GTR coming tomorrow. The GTR one has protective sleeving on top, and I'll see if it works better. |
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Final production units are in. I'm keeping a set for myself and have 2 available right now.
EDIT: Also, comparison between AP Racing, OEM, Z1, and Wilwood rotors. The AP Racing is almost as light as Z1's while being larger, having higher vane count, and thicker walls for durability. It's much lighter than the Wilwood's while having much larger air gaps and also being larger. And against OEM...well, drastic. |
Tested this setup at the track yesterday.
Conclusion: Success! 25 minute sessions at Blackhawk Farms. With passengers on every session (125-200 lbs). Full interior car with aero and SC3 tires, 3350 lbs or so. Was running within a second of my PB on the track and in the fastest run group with other aero'd out cars, so practically every lap was full pace. Front rotors never got above 650F, with almost all full pace, zero traffic laps. On this track, my old Wilwood 72 vane rotors would usually be above 800F , and my Z1s over 900. Stock rotors, when I ran them once, was over 950F. All taken right after the outlaps. Except other rotors had sessions that were over 50% traffic and cool down type driving. Hats were at 300F at the bobbin mounting points. I'm now 100% confident in hardware holding up to abuse. Pad wear was around 2mm by eye. I'll be measuring later, but will last me many more events. Hoping close to 10 days. In comparison, my stock Akebono pads burned through in under 2 events. Rotors looked pretty new after, unlike my Wilwood setup that showed "smearing" around the vanes, like the metal was being scraped away. I expect these to at least last as long but realistically should last longer. Calipers performed amazingly well. Zero pad knockback and entirely consistent the whole way through. No mushiness over a session like I had with my Akebonos. Not having knockback helped a ton with confidence going into the corner. ABS was happy. |
Can I ask what your rear caliper and pad setup is? Saw you said bias felt fine in another post. That bodes well for this kit :tup:
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I have stock akebono rears with R10 pads.
So R12 front, R10 rear. I was braking as deep as ever, with passengers in the car. Been slammed at work the last two weeks so I haven't had a chance to pull G force data, but expect it to show as good or better braking performance. |
Bit of a necro here, but right now, 1 Euro is only 1.05 USD, and GBP is 1 to 1.25.
Really good time to get the calipers for this setup from a European shop! AP Motorsports and Atomic both have the CP9668 for under 1k USD each as a result, CP9660 for even less. |
https://www.instagram.com/p/Ci7miGGL...d=NmY1MzVkODY=
Met up with a friend running this kit at Road America and I remembered to take pics of his setup. The kit fits seemingly perfectly with Enkei RPF1's in 18x10.5 +15. And I never though of RPF1's as high clearance wheels, so this stood out to me a lot. Also, 1 usd gets you 1.03 euros now, and 0.92 gbp. If I measured my retirement account in imported brake calipers, it's performance wouldn't look so bad this year! |
despite being a popular track wheel, i do remember the RPF1 being kind of hit or miss for brake clearance depending on the size, so it's good that you got confirmation
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Had a track day with passengers allowed where my wife kept swearing her M3 felt way more stable under braking. (She has CP9660 brakes on the front of her car fwiw) I've been writing it off to her MK60 ABS just being much more amazing than Nissan's, and I still believe it to be, but realized the car could probably benefit from more front bias, so that I'm not relying so much on ABS keeping the rear end behind me.
Will be switching to R16 fronts next year, whenever these pads finally wear through. I'm on 7 or 8 days, all at Blackhawk Farms and Road America, and they still have plenty of life left. Logging -1.15-1.2 G's for brake forces based off the Catalyst app, but getting about 0.05 more on lateral grip, so wondering if there's a bit more I could squeeze out with shifting bias. EDIT: I ran a price breakdown on my setup, because Essex finally released their kit at $5300, just to make sure this is still competitive. It really is. The recent change in GBP vs USD has REALLY helped. Price breakdown if self sourced: 10/19/22 Calipers: $2100 Brackets, lines, bolts and hats: $850 Rings: $900 Bobbins: $125 Total: $4075 My original goal of keeping this in line with Stoptech Trophy kits still stands, and should help justify the jump for someone needing more cooling. |
this seems like the same performance as the essex front kit. But 4075 vs 5700?
Any catch? |
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First off, I have a stupid low profit margin is the main catch, because I just wanted to make this kit feasible, and made it because I myself really wanted a good kit for my own car. I begged Essex for years to make this, and they had zero interest until the new Z came out. I think they only made their kit now because the new Z and the 370Z have the same brake setups. Exchange rates have gone down a bit so it's probably more like $4300 now. If anything, Essex probably sources parts and calipers way cheaper, because they are a major distributor and have much greater scale than I do. My brackets are a bit chonkier, since I didn't want to risk any breakage. Manufacturing is probably not as refined as Essex's, and they use bolts instead of studs. IMO bolts make it easier to space out the kit in the future if needed, but make it marginally harder to install the calipers. The brake lines here aren't the fancy Spiegler lines, just whatever lines you want to use. Essex ships everything in a single big package, whereas my kit is all pieced together. |
Is there any kits still available?
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