Replacing Rear Crossmember on a NAS D90 - Defender Source
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  #1  
Old May 18th, 2011, 09:52 PM
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Carl Jonsson
1995 NAS D90 #219
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Replacing Rear Crossmember on a NAS D90

I'm planning on replacing my rear crossmember at some point in the not too distant future. Would it make sense to install a galvanized crossmember on an otherwise non-galvanized frame? If I do I would want it painted black. Is it worth the extra effort or should I just get a regular one that is already painted, like this one? http://www.safarirover.com/rear-crossmember.html
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Old May 19th, 2011, 05:50 PM
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Mike Hammond
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Well you'll have to grind the zinc off where you weld. You'l need this http://www.icipaints.co.uk/products/...t_solution.jsp
to get the paint to stick to the galvanized surface. the cross member will last a very long time though.
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Old May 19th, 2011, 06:41 PM
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Carl Jonsson
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How durable is the paint if applied in this manner?
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Old May 20th, 2011, 01:42 PM
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Mike Hammond
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Quote:
Originally Posted by Manimal View Post
How durable is the paint if applied in this manner?
If you don't do it this way the paint might stay on for as long as a year
'fraid I haven't done it properly so I can't comment. The truck had to go together quickly in order to go to Morocco. Started with over a year in hand, time shrank, jobs jobs stretched and paint got thrown on, and is busily pealing back off as I type
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Old May 20th, 2011, 04:28 PM
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Tom
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To paint over galvanized surface you need to apply what is called a "t-wash", google it and find a source online...i did this a few years ago and paint is still on, no problem...
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Old May 20th, 2011, 05:04 PM
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Mike Hammond
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Mordant Solution = t-wash
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Old May 20th, 2011, 07:18 PM
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Dave McHenry
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i used etch primer 5 years ago with no problems to date.
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Old May 21st, 2011, 02:59 AM
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Mike Hammond
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i used etch primer 5 years ago with no problems to date.
What brand did you use?
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