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Spraying the Underside to protect it from Rust

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Spraying the Underside to protect it from Rust

Postby bclg » Mon Aug 21, 2017 10:17 pm

I was going to spray the underside of my 2007 SWB Transit with Waste Oil is this a good or a bad idea.

What would I need to thin the Oil with to allow me to spray it with a Garden Pressure Sprayer?
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Re: Spraying the Underside to protect it from Rust

Postby andz327 » Mon Aug 21, 2017 11:17 pm

Stop ..... Thats nuts , just buy something like waxoil and use that
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Re: Spraying the Underside to protect it from Rust

Postby dumper » Tue Aug 22, 2017 5:58 am

I've used waxoil on my van on the outside underneath on top of the Ford under seal but in the inside of the chassis and xmembers I sprayed waxoil in and when I've done a oil change I have also sprayed the waste oil in while still hot downside is the mess on the drive afterwards as excess drips out .
Has for been silly useing waste oil that's what was used for years before waxoil came on the market
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1974 mk1 v4 with 2.0 pinto fitted
1986 mk3 2.5 di swb
1990 190 lwb 2.5 di
1998 100 lwb 2.5 di
2006 350 jumbo 135 tdci
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Re: Spraying the Underside to protect it from Rust

Postby ABA » Tue Aug 22, 2017 4:20 pm

I did the bottom of mine with Shultz cost lest than £ 90 that was with a Shultz spray gun as well put plenty on and still had tubes left over and no mess at all
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Re: Spraying the Underside to protect it from Rust

Postby dumper » Tue Aug 22, 2017 7:27 pm

To be fair Shultz does not stop rust it just covers it up and traps in the rust
MK 8 L4 H3 Motorsport campervan
Past camper vans
1974 mk1 v4 with 2.0 pinto fitted
1986 mk3 2.5 di swb
1990 190 lwb 2.5 di
1998 100 lwb 2.5 di
2006 350 jumbo 135 tdci
dumper
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Re: Spraying the Underside to protect it from Rust

Postby mattt429 » Tue Aug 22, 2017 8:50 pm

I cleaned the underside of my van and all arches back to good clean metal.

No mud
No oil or grease
Remove any loose flaking material

i then applied a rust proof primer, then used hammerite underseal with added waxoil, jobs a good 'un
2003 MK6 T350 90PS 2.4 TDDI MWB MHR RWD
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Re: Spraying the Underside to protect it from Rust

Postby pepperred100ps » Thu Aug 24, 2017 10:34 pm

use the oil m8, it's the ONLY way to stop rust. it's what I do
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Re: Spraying the Underside to protect it from Rust

Postby mattt429 » Fri Aug 25, 2017 4:49 pm

pepperred100ps wrote:use the oil m8, it's the ONLY way to stop rust. it's what I do


i wouldn't... used engine oil can be pretty acidic (even heard of some people mixing it up with diesel - even worse :shock: )

Proper prep work, cut out rot, put new steel in and treat the rest. I did a shed load of welding last MOT and there's not even a bubble of rust since i've treated it all. If you leave rot and cover it up it spreads underneath whichever sealer/underseal you use :(
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Re: Spraying the Underside to protect it from Rust

Postby karl » Fri Aug 25, 2017 4:55 pm

pepperred100ps wrote:use the oil m8, it's the ONLY way to stop rust. it's what I do



Same as even me floor Wells leak oil when parked up :lol:


But I'm a diesel fitter so if oil spils in me van I leave it to find it's own way out :D I have even drilled holes in the back of the van so the oil runs under the wooden floor and when I look underneath I can see the oil coming threw places you carnt get to Happy days
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Re: Spraying the Underside to protect it from Rust

Postby dumper » Sat Aug 26, 2017 10:45 am

At work when I was a apprentice plant fitter we had a H reg transit service van the gear oil pump was strapped on the o/s/r corner of the van and it spilled a lot of oil so underneath was covered in gear oil when the van was scraped the rest of the van was rotten but the o/s/r was like new in the new N reg van that replaced it we had a tray made up to put the oil cans in so it did not get the same amount of oil spilt in it it rotted everywhere you can't beat a bit of oil to hold back the rust
MK 8 L4 H3 Motorsport campervan
Past camper vans
1974 mk1 v4 with 2.0 pinto fitted
1986 mk3 2.5 di swb
1990 190 lwb 2.5 di
1998 100 lwb 2.5 di
2006 350 jumbo 135 tdci
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Re: Spraying the Underside to protect it from Rust

Postby andz327 » Sat Aug 26, 2017 11:34 am

Exactly back in the olden days, but there's waxoil and the like, SHUTZ is for the outside
Waxoil inside every where , fook spraying oil inside your doors etc
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