repairing HP splitter and underpan

[Mach10Maverick]

I had posted early this year on other HP splitter options. Before I go to a replacement - I have now pulled the splitter - and the "underpan". I did find about 2 feet of cracking along the front edge of this underpan once I removed it. After researching the plastic type used for this underpan - I did find a special adhesive (Maven MMA3005 - Methacrylate adhesive) to repair all of the cracks to the underpan. Now my focus is the factory HP splitter. I think this adhesive will also work on this material to fix the broken/scuffed area (small crack and hole). Has anyone attempted to paint this factory HP splitter - if so any "rattle can" you would recommend? If it's an 'expensive' rattle can - that's ok because if I get a short term repair in place - it may get me thru my 1st season of ownership for less $ then a new splitter.

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[saleen367]

Are you referring to the HP splitter or the belly pan that you need to repair?

I bought a new belly pan from my local dealer because the previous owner had hit something and busted out a 4" chunk of it. They are quite large so it can't be shipped to a residence.

 

[Mach10Maverick]

I now have the belly pan (undertray as I called it) repaired. I did not have any holes luckily. Now I want to try the same repair to the HP Splitter. If I make this repair - I am probably going to have to repaint it black to try and hide the repair. This special epoxy is black - but not really the same color or "dullness" - so repainting may be needed.

 

[John S]

Please post updates, these HP parts are too expensive to be considered disposable plastic aero aids you can just pitch in the trash every time they're damaged.

 

[sakman84]

The closest rattle can I used as test sprays were Duplicolor BFM 0360 which is their match for 5FM6 from Autozone, this is VERY close to a match, I'm sure many people would be satisfied with it, I'm just not skilled enough to do this type of job on my own. Here is a spray out over a gloss back folder compared to the stock wing for color comparison.

Here is my thread on a professional repaint of the HP spoiler I bought.

https://www.mustang6g.com/forums/th...on-hp-car-color-matched-by-paint-shop.192583/

Now there has been big back and forth in determining the color for the wing. When I removed the existing stock spoiler there was a yellow sticker underneath it that says 5FM6, other people have confirmed this too. 5FM6 is Magnetic Metallic, it was actually used as a body color for a few years on the Mustang line.

 

[Mach10Maverick]

Good paint info - Thank you. In my case it's for my front splitter - which is black - not the Magnetic Metallic on my HP rear spoiler.
Also - I will add photos of the undertray repair, and any work I do to the factory HP splitter in the coming days.

 

[Rob_R]

I had posted early this year on other HP splitter options. Before I go to a replacement - I have now pulled the splitter - and the "underpan". I did find about 2 feet of cracking along the front edge of this underpan once I removed it. After researching the plastic type used for this underpan - I did find a special adhesive (Maven MMA3005 - Methacrylate adhesive) to repair all of the cracks to the underpan.

My underpan or belly pan was cracked up by the front brake cooling ducts. I drilled a small hole (~1/8") in the crack where it stopped. This should prevent further crack propagation. I then used black gaffer tape over the crack top and bottom. This method appears to have stabilized the crack.
Please let us know how the Methacrylate adhesive worked.

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