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Discussion Starter #1
I've completed painting my headlight housings. Used a compilation of dos and don'ts from here and other sites. I was wondering if anyone had any advice on putting the lights bank together. What did you do? What wouldn't you do again?What you would you do differently? Any help would be appreciated.
 

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Follow the two tips as said above which is what I normally tell others or show.. and in addtion to that, pre bake the painted pieces so they don't continue to cure and release fume which can fog up the headlight by baking the parts at the lowest oven setting like.. 170 for 10-15 mins.. then go to 200.... then 225.. then about 5 mins in 250. Keep an eye on the paint finish. Then carefully take them out.. let it cool... clean it and reinstall it and heat the oven back to 250, stick headlights in... 10 mins.. take them out clamp and seal.

There's no need to scape off the bruty rubber from the oem casings if you only opened them up once and didn't remove too much of that material. It tends to flow back together when heated and when you clamp it tight all the way around, it'll form a well enough seal. For back up just run a thin bead of clear silicone all the way around it when it's cooled for double protection from water running along it.

Best Regards,
Larry
 

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Thanks Larry. That is exactly the input I need. I knew there were some tips that could help me finish this properly.

I really didn't expect help from the mountain top......I feel so........ so unworthy!
 

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odk said:
Thanks Larry. That is exactly the input I need. I knew there were some tips that could help me finish this properly.

I really didn't expect help from the mountain top......I feel so........ so unworthy!
Don't be, whenever i get time i don't mind helping others on their one time project if it'll save them the hassle or prevent them from wasting their time and effort that went into the whole thing. The last thing I want to see is someone getting disappointed over their own work if I could just share a few tips to prevent that :)

I forgot to mention... even though chances are good your only going to do this once... try not to breath the air ocming out of the oven when you open it after you pre baked the pieces.. turn on all the fans and open all your windows so it doesn't stay in the house. It wont kill you but it also wont do you any good neither :)

Normal spray can paint isn't really designed to sustain temps above 150-200 degrees, but you'll need at least 250 to properly seal the headlight that's why I suggestd you to bake them slowly up to that temp. If you want just let it sit in the sun or something to let it cure a couple days before you stick it in the oven.

Most high temp paint also wont cure properly unless it was subjected to like 500 degrees so that' swhy I don't typically use high temp paint for anything that's plastic. If i needed something in between i'll just go to my body shop and spray the urethane two stage paint instead which is much more durable.

But yea when the paint is hot, don't touch the painted surface which can be seen on the finish product since you might leave an imprint or etc on the soft surface of the hot paint. Of course wear gloves so you don't burn yourself.

Make sure your parts are sitting near the center of the oven as much as possible and not touching any of the metal walls inside your oven. You want the parts to be subjected to the air temp of the specific degree.. not a surface temp which is direct contact.

Best Regards,
Larry
 
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