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Exhaust downpipe powder coating

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davecb5002
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Posts : 191
Location : OSWESTRY SHROPSHIRE

Exhaust downpipe powder coating

Post by davecb5002 on Mon 02 Oct 2017, 10:06 pm

My downpipe is the original Honda one,is now a bit tatty,still solid. Has anyone ever had one powder coated ??
Did it work and last, can see no reason why it should not, but would appreciate any comments.
What is the best colour to use, black or silver.
Only alternative is a set of Delkevic stainless at £150, has anybody used those, think Motad have gone bust, they were a bit cheaper, but no longer available.
So will powder coating work Laughing Laughing
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Beresford
the 900
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Posts : 1559
Location : not that far from Kirkistown

Re: Exhaust downpipe powder coating

Post by Beresford on Tue 03 Oct 2017, 8:41 am

No
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davecb5002
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Location : OSWESTRY SHROPSHIRE

Re: Exhaust downpipe powder coating

Post by davecb5002 on Tue 03 Oct 2017, 7:35 pm

Thats a deff no then affraid. Must be a reason ?? How about Aldi high temperature  barbeque spray paint ??

sullivj
the 900
the 900

Posts : 2171
Location : Gatwick

Re: Exhaust downpipe powder coating

Post by sullivj on Tue 03 Oct 2017, 9:12 pm

I did mine with lots of coats of VHT, and it's held up very well.
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Beresford
the 900
the 900

Posts : 1559
Location : not that far from Kirkistown

Re: Exhaust downpipe powder coating

Post by Beresford on Tue 03 Oct 2017, 10:12 pm

@davecb5002 wrote:Thats a deff no then affraid. Must be a reason ?? How about Aldi high temperature  barbeque spray paint ??

The material used for powder coating is a thermoplastic ie. heat melts it.
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Fair Weather Rider
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the 800

Posts : 251
Location : Tenbury Wells

Re: Exhaust downpipe powder coating

Post by Fair Weather Rider on Wed 04 Oct 2017, 6:55 pm

I use Bar-B-Que paint.
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Jameshambleton
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Posts : 2648
Location : Bedale, North Yorkshire

Re: Exhaust downpipe powder coating

Post by Jameshambleton on Wed 04 Oct 2017, 8:29 pm

High temp bbq paint, be sure to get a good thick coating on the exhaust collar as they're the part that fails first due to rust.
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Fair Weather Rider
the 800
the 800

Posts : 251
Location : Tenbury Wells

Re: Exhaust downpipe powder coating

Post by Fair Weather Rider on Thu 05 Oct 2017, 9:41 am

@Jameshambleton wrote:High temp bbq paint, be sure to get a good thick coating on the exhaust collar as they're the part that fails first due to rust.
Is there any way of putting new exhaust collars on? I have a spare set of down pipes, but the collars have rotted.
They are a good set of pipes and I would like to have them repaired, just wondered if there was a crafty fix.
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Jameshambleton
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Posts : 2648
Location : Bedale, North Yorkshire

Re: Exhaust downpipe powder coating

Post by Jameshambleton on Thu 05 Oct 2017, 11:21 am

@Fair Weather Rider wrote:

@Jameshambleton wrote:High temp bbq paint, be sure to get a good thick coating on the exhaust collar as they're the part that fails first due to rust.


Is there any way of putting new exhaust collars on? I have a spare set of down pipes, but the collars have rotted.
They are a good set of pipes and I would like to have them repaired, just wondered if there was a crafty fix.

Cut the pipes, put on new collars, weld them back together
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Fair Weather Rider
the 800
the 800

Posts : 251
Location : Tenbury Wells

Re: Exhaust downpipe powder coating

Post by Fair Weather Rider on Thu 05 Oct 2017, 7:32 pm

@Jameshambleton wrote:

@Fair Weather Rider wrote:



@Jameshambleton wrote:High temp bbq paint, be sure to get a good thick coating on the exhaust collar as they're the part that fails first due to rust.




Is there any way of putting new exhaust collars on? I have a spare set of down pipes, but the collars have rotted.
They are a good set of pipes and I would like to have them repaired, just wondered if there was a crafty fix.



Cut the pipes, put on new collars, weld them back together
That's the answer I didn't want, I cant weld...........Thanks anyway.
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Oafski
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Posts : 36
Location : Waltham Cross

Re: Exhaust downpipe powder coating

Post by Oafski on Fri 06 Oct 2017, 10:41 am

I gave mine a scurf off with a bit of emery cloth then used Zebo Black Grate Polish on them. Gives a satin like Gunmetal finish.
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Fair Weather Rider
the 800
the 800

Posts : 251
Location : Tenbury Wells

Re: Exhaust downpipe powder coating

Post by Fair Weather Rider on Fri 06 Oct 2017, 10:50 am

@Oafski wrote:I gave mine a scurf off with a bit of emery cloth then used Zebo Black Grate Polish on them. Gives a satin like Gunmetal finish.

Sounds the Biz, I will look out for that.
The Downpipes on the CB are the only thing that let them down, always look scruffy.
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Oafski
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Posts : 36
Location : Waltham Cross

Re: Exhaust downpipe powder coating

Post by Oafski on Fri 06 Oct 2017, 10:57 am

Any decent (old fashioned) Ironmonger/Hardware Shop should have it. About a fiver a tube.
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davecb5002
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Re: Exhaust downpipe powder coating

Post by davecb5002 on Fri 06 Oct 2017, 7:47 pm

It would appear Zebo grate polish is no longer available, think because of so called health and safety issues with the ingredients. Most of the so called grate polishes now are water based and no good on exhaust. Similar product called Zero is made in South Africa but not available in U.K.
Does anyone know of a wax based stove polish ????
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GollyGosh
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Location : Grimsby, Lincolnshire

Re: Exhaust downpipe powder coating

Post by GollyGosh on Fri 06 Oct 2017, 8:36 pm

@davecb5002 wrote:It would appear Zebo grate polish is no longer available, think because of so called health and safety issues with the ingredients. Most of the so called grate polishes now are water based and no good on exhaust. Similar product called Zero is made in South Africa but not available in U.K.
Does anyone know of a wax based stove polish ????

Stovax is a UK company in Exeter and has the equivalent wax based polish

STOVAX BLACK (GRAPHITE) GRATE POLISH

You can find it on Amazon, eBay etc
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davecb5002
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Re: Exhaust downpipe powder coating

Post by davecb5002 on Tue 02 Jan 2018, 7:19 pm

Tatty downpipes. Over the holiday had a few hours spare, was bored. So I took the downpipes off, gave a good wire brush to remove rust and rubbed down and gave it 3 coats of Aldi Barbacue paint.
Left for a couple of days and refitted, told it needs to cure, so started it up ran for ten minutes, they smoked a bit, let cool and run for 15 minutes, hardly any smoke.
Let cool down again and ran for another 15 minutes, no smoke.Cooled down and looks and feels a nice smooth finish .Have to see how it goes when used in spring rain Neutral Neutral
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gopher
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Location : northern ireland

Re: Exhaust downpipe powder coating

Post by gopher on Tue 02 Jan 2018, 9:15 pm

I use Stovax paint (satin)Smile
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davecb5002
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Posts : 191
Location : OSWESTRY SHROPSHIRE

Re: Exhaust downpipe powder coating

Post by davecb5002 on Tue 02 Jan 2018, 10:05 pm

Spray on stovax or brush, believe they do both
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gopher
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Location : northern ireland

Re: Exhaust downpipe powder coating

Post by gopher on Wed 03 Jan 2018, 12:31 am

I brushed mine, found it easier to control.

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