powder coating or galvanizing a frame - Defender Source
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  #1  
Old March 2nd, 2010, 12:45 AM
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jack baran
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powder coating or galvanizing a frame

why is it that all the land rover people galvanize and all the hot rod/muscle car people powder coat.

whats the difference? which is better? is it a price factor?
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  #2  
Old March 2nd, 2010, 01:38 AM
ajh
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Andrew J. Hutton
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Because the 'hot rod' guys have giant matchbox toys they bring out when the weather is sunny and drive as far as the nearest mall parking lot while Land Rover people seem to do just about anything and everything with their vehicles, usually involving getting stuck in deep mud for hours at a time (sometimes longer).
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  #3  
Old March 2nd, 2010, 02:47 AM
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Jim Cheney
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Powder coat is no better than paint for rust protection - if it chips it rusts. And powder coating is not a dip-process, so there's no protection for the inside of the chassis.
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  #4  
Old March 2nd, 2010, 07:07 AM
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Julien Dalbin
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Galvanize it then paint it
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  #5  
Old March 2nd, 2010, 09:03 AM
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Another reason is due to the dissimilar metals, if the entire vehicle were made of one type of metal then you would not have as many corrosion issues. Galvanizing helps address the dissimilar metal issues where a hotrod typically consists of various types of steel.
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Old March 2nd, 2010, 09:54 AM
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Quote:
Originally Posted by ajh View Post
...because the 'hot rod' guys have giant matchbox toys they bring out when the weather is sunny and drive as far as the nearest mall parking lot ...
wtf?
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  #7  
Old March 2nd, 2010, 12:58 PM
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Tom Rowe
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I think the main reason is that a good galvanized coating is self healing. Frames get banged and scraped. If you scratch it down to the base metal, the zinc will migrate to fill the void.
Early Land Rover frames were galvanized from the factory.
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  #8  
Old March 2nd, 2010, 01:38 PM
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Cleveland T. Leatherwood
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One other reason hot rod guys powder coat is because welding to galvanized steel is a pain in the butt. They can modify the frame anyway they want weld it up and then have it powder coated. Your not going to move motor mounts or transmission braces around your D90 or 110 so you would want the best protection... galvanized.
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  #9  
Old March 2nd, 2010, 02:14 PM
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Bill Adams
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You can't make galvanizing in Hot Pink or Lime. Not that there's anything wrong with that.
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  #10  
Old March 3rd, 2010, 12:22 AM
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Clay DeWan
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hmm. Agree on the galvanizing thing but you could also waxoyl (or however you spell it) the inside of the frame and powder cote the outside. I had the frame on the project car (see the build section): 1. sandblasted, 2. zinc sprayed, 3. sparkle-silver powder coated and 4. clear coated - altogether it cost me $600.

If I were living in some G** forsaken cold weather place like lets say, Ontario, or CO, I would first think about moving to another place like warm sunny California so my rig doesn't rust and I don't spend half the winter pickin snow out of my nose . Secondly I would think about galvanizing due to weather.

If I am in a spot where weather is not really a factor - like the wonderful state of CA which tends not to eat up frames, you may want to go with powder coating.
I shall sit back and wait for the arrows to fly :P...... I think hot pick and lime are some of the colors in the CA state flag.
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  #11  
Old March 3rd, 2010, 12:47 AM
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Rust is not really an issue here in Colorado
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  #12  
Old March 3rd, 2010, 10:09 AM
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Chris Davis
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Quote:
Originally Posted by dave_lucas View Post
Rust is not really an issue here in Colorado
Well it wasn't until they switch to mag-chloride. Now rust has attacked my sliders and frame and if you are not careful, you will be in for a surprise. I had 0 rust issues for 6 years, not that they have switched, I have them. Bring back the sand!
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