Wanted 30mm lowering springs wanted

Mario

Zorg Legend
Joined
Jun 18, 2014
Points
75
If you still need a set I have a set of -30mm that I have sent for powdercoating in black - PM me for details
 

mrscalex

Zorg Guru (IV)
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British Zeds
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Jun 10, 2016
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If you still need a set I have a set of -30mm that I have sent for powdercoating in black - PM me for details
Did you get them shot-blasted @Mario ? I've always wondered if that affects the spring but presumably not? I probably just read something ages ago and mis-remembered.
 

Mario

Zorg Legend
Joined
Jun 18, 2014
Points
75
I basically stripped it 99% myself then they put it on that container of small beads that vibrates
 

Mario

Zorg Legend
Joined
Jun 18, 2014
Points
75
It's becoming very common for small parts I have seen it on other places. The powder coating was max powder in hemel but the prep I took it to a local metal plating guy as I had to take some small bits to be re chromed and he put the springs on the machine for me while I was there,they came out amazing
 

Mario

Zorg Legend
Joined
Jun 18, 2014
Points
75
I did some research before going ahead with this, it's not the blasting but the operators using too high temperature when baking the powder coating that can affect some alloys, springs are theoretically of stronger materials than alloys so they should be OK at alloy safe temperatures
 

mrscalex

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British Zeds
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I did some research before going ahead with this, it's not the blasting but the operators using too high temperature when baking the powder coating that can affect some alloys, springs are theoretically of stronger materials than alloys so they should be OK at alloy safe temperatures
That's the conclusion of that article.
 

t-tony

Zorg Expert (II)
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British Zeds
#ZedShed
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Dec 31, 2013
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226
Location
Torksey Lock,Lincoln, England
Model of Z
E89 Z4 23i Auto
Makes sense to me. In the past someone suggested Plasti-dipping springs but I can't see that would work, at least not for long. The thinner the coatings the better I would have thought.

Tony.
 

mrscalex

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Makes sense to me. In the past someone suggested Plasti-dipping springs but I can't see that would work, at least not for long. The thinner the coatings the better I would have thought.

Tony.
I would think so. The issue with springs is when the original coating flakes off as it flexes then the rust starts.
 

t-tony

Zorg Expert (II)
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British Zeds
#ZedShed
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Dec 31, 2013
Points
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Location
Torksey Lock,Lincoln, England
Model of Z
E89 Z4 23i Auto
I would think so. The issue with springs is when the original coating flakes off as it flexes then the rust starts.
Very true Rob, I often see cars which have had a "new" spring and generally the black paint will last up to 2 years or more and that's on every day use cars, the first point of corrosion usually is where the first coil "hits" the square cut end of the spring, and, quite often this is where the spring will break! It makes me think that many broken springs could be avoided by grinding the cut end down to a taper. This would obviously cost more in manufacturing but not that much.

Tony.
 

Jack Ratt

Zorg Expert (I)
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British Zeds
The West Country
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Dec 3, 2013
Points
200
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TRURO, CORNWALL
Model of Z
2.8i AUTO and 2.8i MANUAL
I used to have a motorbike that had powder coated springs on the shocks. They were OK during my ownership. It's quite common for bike shock springs to be powder coated.
Think back to the days of the 1970's custom car scene when it was very popular to have your springs chrome plated or even whole axle set ups.
Some Zeds wouldn't leave the garage if they had chrome springs =))
 

2DunnsZ3

Zorg Guru (I)
American Zeds
Joined
Jun 1, 2018
Points
87
Location
Canton USA
Model of Z
Z3 2.8 5 speed roadster
I am so jealous that I am waaaay across the pond. would love to lower the rear of my Zed and hang out with you guys. If you look at my fall pics under the tree. you can see the front lowered and the rear is not. they look so much better down and dirty
 
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