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Car Care & Detailing
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Old 09-05-2013, 12:02 AM   #1
shwagon
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Letting it soak in...

Im rebuilding a motor on my dads e32 that has been sitting outside (stationary) for years. There is the normal build up of sap and other contaminates on the CARS paint. Is there a product that I can apply to the paint to prep it for a full detail after the engine is back in?
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Old 09-05-2013, 12:19 AM   #2
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Letting it soak in...

Are you talking about a degreaser like Simple Green or Purple Power?
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Old 09-05-2013, 12:22 AM   #3
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Are you talking about a degreaser like Simple Green or Purple Power?
Nooooo, something that's not going to harm the paint. Something that will help lift contaminates over time. I understand that such a product might not exist, I just wanted to explore my options.

Edit: I reread my original post and it sounded like I was referring to the engine in someway, I have corrected it.
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Old 09-05-2013, 12:44 AM   #4
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Letting it soak in...

So you're basically looking for a constant clay bar? I'm at a loss.
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Old 09-05-2013, 05:25 AM   #5
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Post Decontamination or surface contamination removal: P21S Total Auto Wash, can be diluted solution 3:1 and contains surfactant detergents and d-limonene (citrus oil) a biodegradable cleaner that can also be used for the removal of tree sap, bug spatters, bird droppings, engine degreaser, wheel wells, rocker panels, floor mats and other grimy areas, this safe solvent cleaner will ensure a there are no surface contaminants

Decontamination - this system is the most recognized by original equipment manufacturers (OEM's as well as their paint suppliers, BASF, DuPont, and PPG approved chemical neutralization system in the industry. In fact, major auto manufactures have issued technical service bulletins/advisories directing their dealers and port operations to use the ValuGard System for required repairs and pre-treatment for acid rain and industrial fallout repairs.

An extract from TOGWT Autopia Detailing Wiki Articles-

1. "What will decontamination remove that washing / clay will not? " - http://www.autopia.org/forum/guide-d...-will-not.html

2. "ValuGard Paint Decontamination System" - http://www.autopia.org/forum/autopia...on-system.html

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Old 09-05-2013, 08:58 AM   #6
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You will need to either clay the car or use a product like 3M Tar and Sap remover.

There will need to be some type of friction applied to the surface...I don't think there is a chemical cleaner that will just melt the contamination off.

If there is sap on the car for an extended period of time it could etch the clear coat or completely ruin it and repainting is your only solution. I suggest getting it clean ASAP.
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Old 09-05-2013, 10:39 AM   #7
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Considering what is on the paint right now... sap... for years probably being parked under a tree, I wouldn't worry too much about harsh(er) chemicals that can be used quickly to remove sap/contaminates and then washed off.
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Old 09-05-2013, 10:58 AM   #8
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Re: Letting it soak in...

It sounds like your looking for something you can spray on or apply now and then wipe off in a week or so that will make cleaning the car easier. As far as I know, such a product doesn't exist.

I would use a tree sap remover and follow immediately with a thorough washing and clay bar. After that you can see where you stand and determine if a simple polish will do, or if you need a new clear coat, or worst case a new paint job.

My guess is you will have spots that will need to be re clear coated so hopefully they are all on the same panel....

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