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DISCO3.CO.UK > Maintenance & Mods (D3)

4 pots on the front and v8 on the back
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pwheeldon
 


Member Since: 15 Jan 2020
Location: West Yorks
Posts: 1479

England 2005 Discovery 3 TDV6 S Auto Bonatti GreyDiscovery 3
4 pots on the front and v8 on the back

I upgraded to the v8 front carrier and discs and I'm now thinking about 4 pots for the front and wondered if the v8 carrier and caliper would fit on the back, I assume the disc is different to allow of the hand brake.

Also, does anyone know if the 4 pots fit in the 18" Terrafirma wheels?

Cheers Discovery 4 GS 2009 Auto Stornoway Grey
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Post #234280519th Jul 2023 11:21 pm
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LT
 


Member Since: 31 Dec 2005
Location: South West
Posts: 23747

United Kingdom 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Santorini BlackDiscovery 4

D4 brakes felt more powerful than D3 V8 brakes to me.

How about fitting D4 brakes front and rear to your D3?

I can’t comment on your rims, but Compomotive 18”s fit over the D4 front brakes, just. I doubt a bigger calliper (4 pot) would fit under any 18” rim.

I can’t recall anyone having fitted the D3 V8 front carrier and calliper (same for the V8 and TDV6) on the rear, but others might. Thumbs Up 2006 D3 HSE (Original & still the best)-GONE
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Post #234280619th Jul 2023 11:45 pm
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nigethecat
 


Member Since: 11 Sep 2016
Location: Marnoch
Posts: 4229

Ukraine 2016 Discovery 4 3.0 SDV6 Commercial XS Auto Corris GreyDiscovery 4

The rear caliper carrier for the V8 upgrade is only £35 from AF https://www.advancedfactors.co.uk/sxp50001...2404-p.asp

And is a different part number to the front which is https://www.advancedfactors.co.uk/seh50001...2403-p.asp

If you really want to stop quicker then the 6 pot upgrade is the best way but you’ll need 20” rims! https://maltings4x4store.co.uk/products/cu...6-pot.html I want to see the sweets before I get into your windowless van... I'm not stupid!

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Post #234280820th Jul 2023 12:12 am
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pwheeldon
 


Member Since: 15 Jan 2020
Location: West Yorks
Posts: 1479

England 2005 Discovery 3 TDV6 S Auto Bonatti GreyDiscovery 3

Thanks for replies. The brakes on my D3 are pitiful in comparison to the wife's RRS 4.4 V8 and before I start replacing anything else I wondered if it'd be worth upgrading to the 4 pots. The D4 brakes might be an option but I don't want to go bigger than 18" ideally and I currently have the Terrafirma steelies on it. I've got the option to buy some 4 pots for £80, so seemed like the ideal solution. Might have to rethink that then. Discovery 4 GS 2009 Auto Stornoway Grey
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Post #234281120th Jul 2023 7:09 am
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20822

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

You won't be disappointed with V8 front and rear upgrade Thumbs Up

The D4 front discs are the same size as 4 pot Brembo's, but will need 19" wheels to fit

The 6 pots are an awesome upgrade, but not cheap...

But before any of this, a cheap set of brake pads can ruin the braking effort/feel, as can a damaged servo. Worth checking before anything else Thumbs Up My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #234281220th Jul 2023 7:18 am
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pwheeldon
 


Member Since: 15 Jan 2020
Location: West Yorks
Posts: 1479

England 2005 Discovery 3 TDV6 S Auto Bonatti GreyDiscovery 3

Cheers Mike. The 6 pots would be great, i have 6 pot brembos on my other car, but I don't want the bigger wheels. I've seen the Terrafirma wheels will fit the 360mm discs with a spacer, so that may be an option as I already have a set.
How can I test the servo? If I need a new one, is it possible to use a RRS upgraded servo?
Thanks again. Discovery 4 GS 2009 Auto Stornoway Grey
Discovery 3 s 2005 Auto Bonatti Grey Gone
Discovery 3 SE 2005 Manual Zambezi Silver Gone
Range Rover Sport HSE 2006 Black
Aston Martin DB7 VV  
Post #234286220th Jul 2023 7:49 pm
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