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| nicholas2012 Member Since: 28 Jun 2012 Location: lanarkshire Posts: 193   
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Have painted both my axles with por15 it's probably not necessary but has anyone used a underseal over the top of por15 paint?
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26th Sep 2023 1:56pm |
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| Zagato Site Supporter Member Since: 08 Jan 2011 Location: Billingshurst West Sussex Posts: 5013 
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If this is the original POR-15 paint which is rock hard there is absolutely no point in painting over it unless it's for aesthetic reasons or you want to protect it from UV light (depending on which one you have used) E.g. You wish to have a different finish other than gloss black! You can put Dinitrol 4941 over it BUT it's pointless from a protection point of view.
POR-15 original to warn and remind folks is a rock hard coating. Fine on guaranteed rust free metal but don,t use it on old rusty metal that has been shall we say, wire brushed, marine cleaned etc, and acid converted because that won,t have cured the rust problem and you are just trapping rust in. You have to have new metal or metal that has had the rust blasted back to fresh good metal. Excellent stuff for the right application but it doesn,t stop rust, it just stops it showing through, similar to some Raptor and Buzzweld products. |
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27th Sep 2023 6:21am |
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| nicholas2012 Member Since: 28 Jun 2012 Location: lanarkshire Posts: 193
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Thank you for detailed reply the axles have been fully stripped down before wire brushing with angle grinder/needle gunned them before using the por 15 marine cleaner followed by acid converter then painting gave them 4 coats with paint brush used around 5-600ml over the two axles in all honesty on corner edge on some angled edges of bracketry hasn't has fully covered being a thinner paint if that makes sense other than that I'm very happy with the finish and going to use some cavity wax within bracketly to make sure it's all protected
All the brackets are new replacement parts from yrm, if i was painting on straight edge cut metals again would probably give edges slight buff with grinder flap disc to help with paint coverage |
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27th Sep 2023 6:00pm |
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| Zagato Site Supporter Member Since: 08 Jan 2011 Location: Billingshurst West Sussex Posts: 5013
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Sounds a good job, and yes it makes sense. If any possible thinner areas and fiddly bits you can,t get to with a brush properly are a concern you could coat with a rattle can of Dinitrol 4941 but I would put on a coat of cavity wax first to help adhesion. You could also spray on Dinitrol Corroheat clear coat which is easier
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27th Sep 2023 7:18pm |
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| LR90XS2011 Member Since: 05 Apr 2011 Location: bickenhill Posts: 3643 
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Took my new VW UP to Chris today for some treatment, what a great chap DEFENDER 90 TDCI XS,
I hope everyone is well and your land rovers make you happy |
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7th Oct 2023 9:39pm |
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| Zagato Site Supporter Member Since: 08 Jan 2011 Location: Billingshurst West Sussex Posts: 5013
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Good to see you Rob
Rob knows it's the sub frames on modern cars which have absolutely no protection, that will kill a new car in only a few years. Some subframes like a Panda model cannot be bought so perfectly good cars are being scrapped. If only everyone sprayed their cars from new they would last years. Robs car is now protected with clear coat Dinitrol Corroheat. It's now been done from new and will last years. That's the way to do it 
 Click image to enlarge |
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8th Oct 2023 8:28am |
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| Benland Member Since: 01 Nov 2023 Location: MONTELIER Posts: 4  
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Thank Zagato and others
Very documented and interesting |
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1st Nov 2023 5:09pm |
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| Zagato Site Supporter Member Since: 08 Jan 2011 Location: Billingshurst West Sussex Posts: 5013
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Couple of nice 90's in for full protection before the salt is plastered over the roads
and one dead SAAB with only a partial floor and sills because of salt.
Click image to enlarge |
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6th Nov 2023 12:48pm |
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| Zagato Site Supporter Member Since: 08 Jan 2011 Location: Billingshurst West Sussex Posts: 5013
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This was treated eight years ago with Dinitrol RC900 rust convertor, 1000 and 4941 top coat.
Click image to enlarge Rust rubbed back and treated back then with RC900! You do have to get the rust pretty much back to good metal however! Click image to enlarge With smart top coat Dinitrol 4941... 8 years ago. Click image to enlarge Today, eight years on the Dinitrol system is still good and sound. Now Resprayed orange! Click image to enlarge |
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6th Nov 2023 1:27pm |
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| Zagato Site Supporter Member Since: 08 Jan 2011 Location: Billingshurst West Sussex Posts: 5013
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The original 48 year old underseal was stripped off carefully revealing a grey underside as shown in the picture. To keep it original I then treated it with Dinitrol clear coat Corroheat. Once again it I should still good after 8 years.
Click image to enlarge 8 years on with 'opaque' Dinitrol Corroheat. Excellent on brand new, mint older classics or Japanese imports!! Click image to enlarge Still waiting for wings to be painted. That purple colour is Dinitrol RC900 acid convertor.... no risk of rust whilst waiting for paint.
Click image to enlarge After rebuilding a Series IIA I said I would never do it again BUT it's great fun rebuilding a car as best and original I can. These are all original clips, fasteners etc. I have not zinc coated anything. I even refurbished the original soundproofing (with guess what, Dinitrol as it is a high quality bitchumen glue basically, similar to what the sound proofing was made of). Click image to enlarge |
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6th Nov 2023 1:36pm |
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| L110CDL Member Since: 31 Oct 2015 Location: Devon Posts: 10782 
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Thank you for the update and seeing the attention to detail
 1996 Golf Blue 300Tdi 110 Pick up.
Keeper. Clayton. |
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6th Nov 2023 8:55pm |
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| JOW240725 Member Since: 04 May 2015 Location: Suffolk Posts: 7906 
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Wow, like seeing these updates! James
MY2012 110 2.2TDCi XS SW Orkney Grey - http://www.defender2.net/forum/topic43410.html MY1990 110 200TDi SW beautifully faded Portofino Red - https://www.defender2.net/forum/post743641.html#743641 MY1984 90 V8 Slate Grey - https://www.defender2.net/forum/post744557.html#744557 Instagram @suffolk_rovers |
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6th Nov 2023 10:01pm |
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| Cra1gSG Member Since: 01 Nov 2023 Location: South Lanarkshire, Scotland Posts: 28 
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Lovely to see the Dinitrol working well.
I do alot of Dinitrol treatments with my work. It's the best of gear imo! Like everything, it's all in the prep and using the correct products in order. ▀▄▀▄▀▄ "𝑭𝒍𝒂𝒕 𝒕𝒐 𝒕𝒉𝒆 𝒎𝒂𝒕, 𝒘𝒊𝒕𝒉 𝒕𝒉𝒆 𝒑𝒂𝒓𝒕𝒚 𝒉𝒂𝒕!" ▄▀▄▀▄▀ 🤠 |
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6th Nov 2023 11:53pm |
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| Zagato Site Supporter Member Since: 08 Jan 2011 Location: Billingshurst West Sussex Posts: 5013
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This was driven down from Halifax. 5.5 hrs away, so an early 3.30am start for Carl. Recently bought at auction and it's really nice. Good body just needs sorting underneath with Dinitrol as the old Waxoyl is now trapping in moisture.
Click image to enlarge Now booking for the New Year. |
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21st Nov 2023 2:33pm |
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