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Aug 24th, 2023
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Joined: Apr 2017
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Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Apr 2017
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is powder coating any good? place in Barnsley is really good with alloy wheels
regards
john If you could get the stay clean enough then I think it would be worth a try, after all powder-coated alloy wheels seem to survive pretty well in harsher conditions. The problem as I see it is that you'd have to blank off the screw holes as otherwise they'd end up undersized, and that would give a potential route for corrosion to get under the powder. Maybe Duralac could help here. Or open the holes up slightly to allow for the powder coating. If the powder coating will handle wheel bolt torques it should handle the tightening of the windscreen frame screws.
Bob
2009 Black Roadster
1999 4/4 2 litre Zetec
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Joined: Dec 2013
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Has a lot to Say!
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Has a lot to Say!
Joined: Dec 2013
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I asked a chap at an alloy wheel restoration company if he could coat my A pillars and he said that the metal was probably suitable but felt that it was too thin to take the heat of been baked and would warp or crack.
John
Silver 2005 S1 Roadster V6 - Henrietta
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Joined: May 2012
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Talk Morgan Enthusiast
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Talk Morgan Enthusiast
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One coating that I like and often pondered on its suitability for my pillars is Niflor. I don’t know if anybody else is familiar with it? Not normally used as a cosmetic finish but a very specific industrial process that offers super wear, corrosion and friction resistance amongst other things. It’s hard and even repels water. It’s an electroless nickel PTFE composite coating with a colour very similar to my current satin silver/beige painted pillars. It’s very uniform and to the touch its silkier than a cashmere codpiece.
Roger
2011 Plus 4
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Joined: Oct 2010
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L - Learner Plates On
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OP
L - Learner Plates On
Joined: Oct 2010
Posts: 163 |
is powder coating any good? place in Barnsley is really good with alloy wheels
There is a powder coat company near here and I talked to them. They said they could do it but they couldn't guarantee the adhesion would be good everywhere which I took to mean no better than the current so decided not to. They quoted £50. I subsequently did some research and it seems aluminium can be problem with powder coating with a number of possible chemical pre-treatements.
2008 Plus 4
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Joined: Aug 2010
Posts: 363
Learner Plates Off!
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Learner Plates Off!
Joined: Aug 2010
Posts: 363 |
One coating that I like and often pondered on its suitability for my pillars is Niflor. I don’t know if anybody else is familiar with it? Not normally used as a cosmetic finish but a very specific industrial process that offers super wear, corrosion and friction resistance amongst other things. It’s hard and even repels water. It’s an electroless nickel PTFE composite coating with a colour very similar to my current satin silver/beige painted pillars. It’s very uniform and to the touch its silkier than a cashmere codpiece. Wow. Both of my cashmere codpieces are really very silky  . There's a real danger of this happening whenever I wear them... 
Doug
1985 4/4 4str, Jubilee Blue
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Joined: Nov 2015
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Just barreling along Talk Morgan Guru
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Just barreling along Talk Morgan Guru
Joined: Nov 2015
Posts: 7,892 Likes: 241 |
You could after cleaning them up, try one of the car 'wrapping' specialists
Loads of colours to choose from even 'carbon look' and Chrome are possible
Jon M
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Joined: Feb 2016
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Talk Morgan Guru
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Talk Morgan Guru
Joined: Feb 2016
Posts: 7,917 Likes: 216 |
This topic has given me some concern given that I spec'd the plain ally windscreen pillars instead of black finish ones. Was expecting polished but likely not protected with laquer given experience with M3W.  What I actually found on my near complete Roadster yesterday can be seen above. It looks like a powder coat in a very light grey which roughly matches the ally window frames of sidescreens. Just wonder if the no cost version have been finished like this for some time or if its a recent spec. change. Either way not complaining 
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Aug 2010
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Charter Member
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Charter Member
Joined: Aug 2010
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That looks like the finish we got in Feb-14 as a standard.
Some very small bubbles are starting to form in the finish after 4 years.
Paul
Costock, UK
2014 4/4 Rolls Royce Garnet Red
Disco 5
Teddy - 17h1 Irish Draught cross
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Joined: Feb 2011
Posts: 14,009
Member of the Inner Circle
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Member of the Inner Circle
Joined: Feb 2011
Posts: 14,009 |
Richard, it’s been that finish as standard for many years. Mines starting to bubble and has stained as well.....not quite what from!
Jays
Former Morgan owner. Gone but hopefully not forgotten!
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Joined: Jan 2009
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Charter Member
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Charter Member
Joined: Jan 2009
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Can’t help thinking that there is electrolytic corrosion going on owing to the screw material combination. If the screws are standard metric machine screws there are reasonable strength 7075 ali ones available? There certainly was evidence of that but I think the greater issue is water/brine getting it at any point where the surface finish is chipped or cracked. As was said earlier the fixing locations are prime candidates for that. Our Kenwood mixer suffers the same problem. Electrolytic corrosion as between steel fasteners and ally casting requires an electrolyte to form a miniature battery. Hence the salt water issue. Clean pure water on ally won't harm and will simply dull the surface a bit by adding to the normal layer of surface oxide. You can get a Teflon gel to insulate steel screws from the ally.
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