powder coating springs - Alfa Romeo Bulletin Board & Forums
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post #1 of 7 (permalink) Old 09-17-2018, 08:31 AM Thread Starter
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powder coating springs

I removed my stock Spider springs and installed an Eibach/Shankle set I got off a junkyard car.
I love the way it handles but it's a bit too low for daily use, especially since I live on a road with speed bumps.
I'm considering going back to the stock springs but they are rusty.
Should I strip and paint them, or would powdercoating be a good option?


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post #2 of 7 (permalink) Old 09-17-2018, 09:20 AM
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Another option is to buy a couple spacers and raise the height a bit. A half inch spacer will raise the front about an inch, the rear is 1:1.

I can't say how well powder coating works on springs vs paint. I would be worried about it cracking.

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Past: 71, 74 Spiders, 2x 74 Berlina, 74 GTV, 76 Alfetta GT, 88 Milano 3.0, 164LS
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post #3 of 7 (permalink) Old 09-17-2018, 09:24 AM Thread Starter
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Hmm, interesting suggestion, thanks.


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post #4 of 7 (permalink) Old 09-17-2018, 10:00 AM
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Powder coating springs

I've had all my springs powder coated during restoration. You just need to be sure the powder shop understand low-temp coating, lest you detemper the springs.

The coating has endured without cracking for 10,000 miles on my 59 2000, so far.

Don P
Carson City, NV

Past Alfas...
59 102 Touring (first Alfa $500 running)
65 Sprint GT (2nd Alfa, $500 daily driver)
102 Sprint (never did anything with it, but wish I had)
74 Berlina (first new car - now certainly rusted into oblivion)
61 Giulietta Spider G-Prod Race Car (where is it now?)
84 Spider Veloce (rarely drove it, so sold it)
86 Quadrifoglio (Dull car - no more 115s for me)
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Current Alfas
59 102 Touring Roadster - restoration complete, enough Alfa for any rational man. Or irrational, for that matter
Oops. Add to the "present" list, 10204 01488, 2000 Touring Roadster project

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Two 1946 Stampe SV4C (c/n 294 "Rocinante" - wife's favorite airplane. RIP), and c/n 235 "La Bon Temps Femme" (gone to a new home, but never forgotten)
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1955 Cessna 170B (wife taught me to fly tailwheel in this)

And present...
64 Mooney M20E ("Rambo". My faithful steed for over 40 years) Over 55 years old, and just returned from a trip to Argentina in him
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1967 Piper Super Cub on Wipline amphibious floats (a true "all terrain vehicle")
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post #5 of 7 (permalink) Old 09-17-2018, 10:53 AM
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Quote:
Originally Posted by DPeterson3 View Post
I've had all my springs powder coated during restoration. You just need to be sure the powder shop understand low-temp coating, lest you detemper the springs.
It is my understanding that powder coating is superior to paint for springs. Powder coating is a plastic, so it is inherently flexible. Many paints dry brittle, so won't stand up to the continual twisting of the coil spring wire.

Quote:
I'm considering going back to the stock springs but they are rusty.
How rusty is "rusty"? Surface rust is no problem, but deep pits can lead to fatigue fractures. Given that you are here in California, you are probably OK.

Jay Mackro
San Juan Capistrano, CA

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post #6 of 7 (permalink) Old 09-17-2018, 11:15 AM Thread Starter
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Barely rusty, just surface. Yes, most new springs seem to be powder coated.


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post #7 of 7 (permalink) Old 09-17-2018, 11:23 AM
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@papajam will know if this is correct. My understanding it that the temperature needed to "melt" the powder is 400 degrees F.

Brian __________________________________
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