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#1510946 07/28/2023 6:43 PM
Joined: Jun 2023
Posts: 143
R
Red
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'Bolter
'Bolter
R Offline
Joined: Jun 2023
Posts: 143
I would like some advice on a product for rust penetration. Ospho is really thin product seems like it would be excellent for for rust. Just pulled down my fenders and hood from the shelving in my shop, they have been sitting for over 10years. The entire truck was dipped and primed before storage. After cleaning with some soap and water I noticed rust coming from the cracks and crevices on the fenders. I would like to apply the Ospho and perhaps with a little air pressure to help penetrate these areas. What do you think.

Thanks Red thinking


1950 5 Window
Red #1510995 07/29/2023 12:44 AM
Joined: Mar 2010
Posts: 10,059
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Renaissance Man
Renaissance Man
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Joined: Mar 2010
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The exact type of areas you mention is why I insist on sandblasting when getting ready to paint a truck. I don't really need to sandblast the big wide open portions of the panels. I need to get everything out of those nooks and crannies.
Ospho is a great product, but not for this problem. The chemical reaction which the Ospho produces, leaves a chalky byproduct which would be difficult to remove from your nooks and crannies and could come back to haunt whatever primer and paint you put over it.


1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission

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