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Spray Suppression
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Browny90
 


Member Since: 19 Jul 2016
Location: Ashbourne
Posts: 642

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Santorini BlackDiscovery 4
Spray Suppression

Morning All,

Just a quick one, I wondered if anyone had ever fitted spray suppression to their D3/4?

The back of my D4 is always filthy this time of year, I noticed today on the M6 toll, there was no rain, just a wet road, but my rear window was looked like it was in a downpour, there was that much water hitting it.

On the trucks, they have suppression fitted to reduce the spray from the wheels.

It's this kind if stuff, I wondered if anyone had ever fitted any to a D4 and if it worked..





I run GG AT3s and have mud guards all round, but no running boards.

Thumbs Up Thanks!
 Disco4 MY12 SDVS XS Orkney Grey
Defender 90 200tdi Completely rebuilt. 
 
Post #210565213th Dec 2019 10:11 am
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Kilovolt
 


Member Since: 29 Jun 2015
Location: South Derbyshire
Posts: 837

United Kingdom 2013 Discovery 4 3.0 SDV6 Commercial XS Auto Baltic BlueDiscovery 4

I am guessing it won't make much difference if at all!

The reason that I say that is SWMBO has a Tiguan that has said suppression fitted to it as standard, and the back of her car (of late in this appealing weather) is identical to my Disco.

I think the sheer size of our beasts and the amount of free-air that goes under the chassis, it scoops the air mid-frame (and collects gallons of water to boot) as opposed to just the wheel arches lifting it up.

Methinks keep your money in your wallet.

In my humble opinion.
 "Don't put your foot back on the accelerator until your absolutely sure you don't have to take it off again"

Current Ride: D4 XS Commercial Baltic Blue SDV6 fully loaded with heated everything Smile
Track Days: BMW E36 M3 Evolution MY 1996 (3.2 Litre 377 BHP sat in 1,250 Kgs of car, with a pro safety cage and some serious braking power) Smile 
 
Post #210567313th Dec 2019 11:46 am
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Farmer Chalk
 


Member Since: 07 Mar 2013
Location: Independent Republic of Kentishshire.
Posts: 3799

England 2008 Discovery 3 TDV6 HSE Auto Tangiers OrangeDiscovery 3

Especially if you use your LR off road these would be a nightmare...we have them on our horsebox lorry and are thus travelling around the rural lanes near us.... you would not believe how much mud they hold and I am forever trying to hose them clean ...
Unfortunately they are more mud catchers than spray suppressors.. Very Happy
  
Post #210567513th Dec 2019 11:54 am
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aja4x4
 


Member Since: 14 Apr 2019
Location: Westbury
Posts: 1977

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

A rear spoiler can sometimes alter the flow of air over the back window and stop some of the spray getting up there.
  
Post #210567713th Dec 2019 11:58 am
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 9202

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

Quote:
they are more mud catchers than spray suppressors.
Thumbs Up

I gave up on them for that reason, a great heap of mud on the drive which needed to be cleaned off.

I have a friend who has a "drive over" underside pressure wash in his drive, remotely operated. It's not a bad idea, cleans the mud off the underside, doesn't help with the body work, and still means you have to clear the mud from the drive.

My answer a pressure washer used in an area of the drive which drains off to an Aco A15 Drainage Channel:-

https://www.drainage-channel.co.uk/bielbet...gI9dvD_BwE

NJSS
 Am I "Woke" ? - I neither know nor care.

2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
1973 MG B GT V8 - 3.9L John Eales engine, 5 speed R380 gearbox, since 1975.
1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
Past LRs - Multiple FFRs, Discos & a Series I - some petrol, some diesel,
none Electric or H2 fuel cell - yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t. 
 
Post #210567813th Dec 2019 12:04 pm
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Browny90
 


Member Since: 19 Jul 2016
Location: Ashbourne
Posts: 642

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Santorini BlackDiscovery 4

Quote:
"drive over" underside pressure wash in his drive


I have a similar thing nearby my house Rolling with laughter

I make a point of going through regularly in the winter to keep the salt at bay..


Click image to enlarge




.
 Disco4 MY12 SDVS XS Orkney Grey
Defender 90 200tdi Completely rebuilt. 
 
Post #210568313th Dec 2019 12:18 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 6843

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

They are called clearpass and they are a living nightmare on the trucks, very old fashioned tech that was around when I started on them 35 yrs ago, their speciality is to get chock full of mud then stay full of said mud, which then weighs a ton and starts to damage the truck from the massively incresed weight pulling on the fixings.
The only time they get properly cleaned out of all the mud is for their annual mot test!

If you catch them reversing you will do an awful lot of damage to your car.

Spraydown spray supression on the other hand is the mutts nuts, never clogs and seems to do a good job, to look at them you cannot believe they work, but work they do.

I am sure if you search on here it was a common mod to fit series rubber spray flaps, they will stilll catch reversing off road, but for a road motor might be worth a try?
  
Post #210570313th Dec 2019 1:34 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 6848

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Heavy duty mud flaps can reduce mpg by as much as 3mpg, fact! Have Honda got the answer?- on one of their estate models they fit a hand held water spray gun in the rear door, I get the impression it’s an extension of the rear window washer, I could be wrong, they claim it can be used for washing muddy wellies, rear window or the dog Shocked
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #210570813th Dec 2019 1:53 pm
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