Brake upgrade for Discovery 2?

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Originally Posted by mad85

im guess that will allow to fit 16 inch wheels?

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From the discussion comment on Facebook now, 17" or larger wheels would be required for fitment.

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Originally Posted by Slunnie

That looks excellent, although I wonder why they didnt go to 350mm as nobody runs 17's on a Disco2.

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Not sure, I think 18" has become a lot more common on 4WD's over the years since the D2 was released with an 18" option. The tyre options available now are a lot better than back then for those of us actually using the vehicle off road. For me this would mean changing from 285/75R16 tyres to 285/65R18 which is about 0.3" smaller. Or if I could find 17" wheels then 285/70R17 would retain the current overall diameter.
The additional 20mm OD would also give an extra 10mm or so of bracket meat for the caliber anchor bolts to thread into.

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Originally Posted by Slunnie

I wonder if they will do a rear setup also?

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According to the discussion on the Facebook post, yes. Front first and rear later in the future.

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Originally Posted by Slunnie

I wonder what that caliper is?

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Not sure and they haven't responded to that question being asked. But the one in their test/display setup looks rather second hand which makes me think it must be a common unit off a production vehicle - perhaps D3/D4/RRS calliper then? Would be handy for supply, rebuild kits, etc. One commentor asked if they are Renault Megan callipers.

Theres a mod to fit range rover sport discs and calipers if you google p38 alcon replacement its next on my list when I've saved up some beer tokens

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Originally Posted by freddysdisco

Theres a mod to fit range rover sport discs and calipers if you google p38 alcon replacement its next on my list when I've saved up some beer tokens

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That's not working for me. Comes up with a result for fitting cheaper Range Rover Sport (L322 I assume) 360mm Brembo brake disc rotors onto the more expensive P38 Overfinch (Alcon) 365mm setup. Neither of these are Discovery 2 setups.


EDIT: actually I just recalled that Discovery 2 and P38 use the same brake calipers as standard (for the fronts the same units for the early D2 as P38, later D2 used a different front caliper that I think became the next generation of Range Rovers rear calipers) - perhaps your therefore hinting about fitting a P38 brake upgrade onto the D2?

The issues I see with this are that the front brake pads and front brake disc rotors for the Discovery 2 and P38 are different part numbers. For the brake pads this might just mean different compounds used for two different vehicles aimed at different buyers, but for the brake rotors does it mean different size rotors or different rotor offset/position? Ideally need someone with a P38 rotor to see if it fits onto and lines up on the D2 vehicle.

Apparently the P38 big brake kit Alcon part number (they supplied the kits to Overfinch) is BKF7351P19. The only site I can find with details on it is https://alltuning.net/tuning/23900/186578.html which Google Translate translates to:

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Price: 290 840 rub
Buy To Cart
Product out of stock

Supply Type: UKF Delivery time: Delivery time 2-4 weeks, subject to availability at the manufacturer’s warehouse. Before ordering, it is necessary to clarify the availability or production time. ARMORED series whales are made to order only. The term for deliveries on them is 7-9 weeks, taking into account the production period. Urgent delivery is possible, check with managers for conditions.

...

BKF7351P19 ALCON Land Rover Range Rover P38A, set brake system, 6P 320X32, blackKit is designed for cars with increased mass.The brake caliper is made of steel.Equipment :6-piston front caliper320x32 mm two-part discsbrake hoses
brake pads

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The 290,840 Russian Rubles converts to around AUD $6,188.77.


EDIT 2: Brake rotor comparisons taken from the DBA catalogue < DBA PART FINDER – Performance brake disc rotors and brake pads | Disc Brakes Australia >:

D2 front:

Specifications
Diameter (mm)	297
Height (mm)	91.5
Thickness (mm)	25
Minimum Thickness (mm)	22
Centre Hole (mm)	70
Stud Holes	5
Weight (kg)	9.21

Part number is DBA 528.

P38 front:
No listing available.

D2 rear:

Specifications
Diameter (mm)	304
Height (mm)	62.7
Thickness (mm)	12.6
Minimum Thickness (mm)	11.7
Centre Hole (mm)	70
Stud Holes	5
Weight (kg)	7.12

P38 rear:
Specifications
Diameter (mm) 304
Height (mm) 62.7
Thickness (mm) 12.6
Minimum Thickness (mm) 11.7
Centre Hole (mm) 70
Stud Holes 5
Weight (kg) 7.12

According to DBA the same rear rotor is compatible between the D2 and P38. Their part number is DBA 093 for this item.


EDIT 3:
Reading further in https://www.lrukforums.com/threads/for-anyone-with-stupid-alcon-overfinch-brakes.112796/ someone covered their P38 Overfinch (Alcon)'s to later Range Rover Sport Brembo 6 piston fronts and 4 piston rears. The last post in that thread (now two years old) indicates that they may have started selling the adapter brackets but they haven't been active on that forum since 2018 era.


EDIT 4:

Some interesting related finds:

This mob are advertising AP Racing brand big brake kits for the front and rear of the P38 Range Rover 370mm CP9560 RadiCAL ll 6 Piston Big Brake Kit AP Racing Range Rover P38 All | eBay

Old Facebook post from 2015 at A very nice brake conversion for the P38... - Tornado Systems - ECU Chips and Remapping | Facebook

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A very nice brake conversion for the P38 and Disco II. Brings the bigger brakes form the newer models, although you need to be running 20" wheels for it. It's a shame our corporate development Thor P38 only has 18" wheels, but we've just put a new set of tyres on so it will be a while. Best contact the helpful Stuart at Armson A.E. for more details.

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https://scontent.fmel7-1.fna.fbcdn.n...3a&oe=5EF0771B
12096139_987951061265893_2404297723296774320_n.jpg

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Brembo brake conversion kit now available price is £2000 inclusive of vat! For this price you get2x genuine Landrover reconditioned calipers
2x genuine Landrover brake discs
2x genuine Landrover brake pads
2x caliper brackets and spigots
4x new caliper fixing bolts
2x stainless steel flexible hoses
These must be fitted with 20" rims!
This kit will fit p38a and Discovery2 only!
We are currently supplying in batches of 5 kits to keep costs at the best possible prices
Please call for ordering and availability

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This is the original source Armson AE independent Landrover specialist - Home | Facebook[0]=68.ARBeb9A7qcvCJWPkobZH7SWFxxzsW7x7ntmjxldehoJBV_ H2uWz8azspzzWtH8fxB5YeWnOJQ0s4SEzMZZ_4AWo7GY95SipZ djECnArmx_JvjA84_fwywiG844fA2LdgNGOujlZKwwhLntwpfV ABbZnvuOtdJWp_cvsP5fSBFNeFvkm3YokGAkYhUWXNrr4eI-JdrWBcBmmXKq3U-A1CUvZfAklmbwNZeovyI7VE6dQkOtQg5NZsTBZ1q-Egejr0ob0wsIcHG__YRo-gtg4IgImDCWFP9MEj7732mDL1s-6oqmGvDOgICVGGWkTUWHDZvzd4cqLxTzUWspyLQ7EnBT43cQJR od8_LTTyaqcUr6bldZd1Xol88G8pZTmrXft34q1VzUdZD3jGUE XhuxT_hZRhrXxyx0L-XxcTxhPdj8EZmcJ2ZzLhR_qK0CEPsTMO3bxI2CUgmm1MuRhotf wQgbb4EWiJjfxmL8Ew1kcxEs6PIQh3NtA

If you want to drop some serious coin on some serious brakes for the D2.

365mm vented rotors front and rear under 18" rims

8 pot fixed fronts, 6 pot fixed rears.

CEIKA Custom Big Brake Kit for Land Rover Discovery 2 LR2 (07~14) - Ceika Performance

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Originally Posted by Slunnie

If you want to drop some serious coin on some serious brakes for the D2.

365mm vented rotors front and rear under 18" rims

8 pot fixed fronts, 6 pot fixed rears.

CEIKA Custom Big Brake Kit for Land Rover Discovery 2 LR2 (07~14) - Ceika Performance

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While their title says Discovery 2, the year range given is 2007 - 2014 for the vehicles. I suspect given the electronic park brake options that it is therefore meant for Discovery 3 and 4 vehicles rather...
Their kits also seem to be road/race focused - wonder how they would last offroad (although they do offer anti-rust rotor ring coatings, stainless steel pistons, external dust boots for extreme weather)?
I like their options for various wheel sizes but not sure I trust their system as it claims a 'Small 6 piston front and x-small 4 piston rear' setup with 304mm brake disc rotors back and front will fit behind both 15" and 16" wheels...
Overall I didn't find their pricing too scary - ticking all the desirable options got to $3,710.00 USD for a 6 piston front 304mm and 4 piston 304mm rear setup with all the optional longer life extras.

Just for more confusion - The LR2 is the Freelander in the US.

Saw this on Facebook this evening in the Td5mafia group:

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18” compomotives, mclaren mp4 ap6 pot fronts and 4 pot rears yes it’s a d2

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https://i.ibb.co/Tqh1shK/Screen-Shot...8-46-09-pm.png
https://i.ibb.co/rGSS3NJ/107433008-1...68290096-o.jpg https://i.ibb.co/kqFQszX/107376747-1...20249686-o.jpg

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loads of space! Done big brakes kits that fit tighter!

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https://i.ibb.co/m6dGxV0/107322902-1...80006413-n.jpg

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i will be doing a kit for brembos, not these as they are VERY expensive https://static.xx.fbcdn.net/images/e...2/16/1f602.png

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Thats pretty cool. I wonder what specs he is looking for?

I asked about if the factory master cylinder was large enough to push those big calipers:

“Brembo 18z is the kit il be releasing it for
Larger master cylinder is being developed Scotty factory fit ”

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Originally Posted by twr7cx

I asked about if the factory master cylinder was large enough to push those big calipers:

“Brembo 18z is the kit il be releasing it for
Larger master cylinder is being developed Scotty factory fit ”

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Ahhh, I know the setup. I was looking to do a 4pot Brembo setup which is pretty bloody powerful, my brother has the 18z setup on his Audi from the factory, Its used all over the VAG group including Porsche. Its a big brake 6pot setup, he's not mucking about! This will be one very impressive setup!