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Mossberg

Member Since: 29 Feb 2020
Location: Lancs
Posts: 553

1993 Defender 90 300 Tdi HT Aintree Green

Prolonging the life of an old chassis

What is the best way to prolong the life of my old chassis? I have just replaced the rear outriggers and the chassis is in better nick than I expected.

The chassis is rusted, I am not saying this has no corrosion but it does not have the amount I expected and I believe it is worth prolonging it life for a bit

So, what is a good method of slowing down its demise. It is rusted in some places more than others and I won't be able to get all the rust off. I will wire brush where I can but with the best will in the world I know it won't be back to bare steel.

So my thoughts are wire brush, rust treatment, red oxide, wax. Is that a good method.

Wax - do I use lanoguard, dinatrol, something else? I need the best to suit a chassis in state of repair mine is.

Then inside. I have no doubt this will be lots of rust and I can't wire brush that off, so what is the best for a 1993 chassis on the inside.

Looking forward to your suggestions.

My thanks.

Mick

24th Apr 2021 8:23am

Ianh

Member Since: 17 Sep 2018
Location: Essex
Posts: 2031

The first thing is to get the outside and inside of the chassis clean enough for any of the subsequent treatments to work effectively. That will involve jet washing or better still steam cleaning and then thoroughly drying out. So if diy you are going to need a few consecutive warm dry days.
Where you can’t get the rust off by hand you can use rust removal or treatment products. I like the bilt hamber range. https://www.bilthamber.com/.
Leave a few days then you can prime and paint with chassis paint. I like the corroless system , their primer and RF16 top coat https://www.arc-rite.co.uk/paints/automoti...t-products.
Leave a few weeks to cure as per paint system instructions.
After that it’s bilt hamber dynax S50 in the chassis, then it’s a choice of , bilt hamber, dinatrol or lanoguard as a top coat wax.

Everyone has their favourite products so I expect buzzweld chassis paint will get mentioned, as will heavy zinc based primers, frost paints etc etc. All work well if prepped and applied correctly.

24th Apr 2021 9:30am

PCM

Member Since: 25 Jan 2019
Location: North East
Posts: 874

Hi Mossberg
I'd really take it to an approved dinitrol centre. That way you're covered.

https://www.dinitroldirect.com/affiliated-...directory/

You can do it at home, but without a ramp and a steam cleaner I'm not sure if you'd ever get the same "stick"

24th Apr 2021 9:56am

Mo Murphy

Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2244

1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey

Have you looked inside the chassis longitudinals ?
Land Rover chassis rust from the inside out so double check your chassis really is that good before splashing out hard earned on fancy wax treatments.
Mo The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey

24th Apr 2021 12:47pm

G4V JW

Member Since: 24 Sep 2018
Location: Northants
Posts: 190

PCM wrote:
Hi Mossberg
I'd really take it to an approved dinitrol centre. That way you're covered.

https://www.dinitroldirect.com/affiliated-...directory/

You can do it at home, but without a ramp and a steam cleaner I'm not sure if you'd ever get the same "stick"

Cheers for this, just found a place on that list very close to me I wasn’t aware of, they offer a load of services and parts I’m after

Instagram; @gavin_walding

24th Apr 2021 1:11pm

PCM

Member Since: 25 Jan 2019
Location: North East
Posts: 874

Happy days.

24th Apr 2021 1:19pm

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