Paint foul-up

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#1

i spent three weeks painting that valence spoiler. put a clear coat on, tried mounting it and under torque, i noticed the clear coat crackled up.
guess i have to strip it... then what?? [???1] [8]

btw, im not paying a shop to do it.
 
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#2
Paint

Looks like base-coat clear-coat. Some people love this paint but from what I've seen of it, when the clear-coat gets a rock chip, it starts a downward spiral. I like Acrylic Enamals with hardner. The hardner comes in different gloss, semi & glossy. To me it looks like the hardner comes to the surface and looks like clear-coat. I'm not a painter by any means. Just throwing my two cents in here. Enamel is still the best paint for durabuility, my opinion...
 
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#3
you obviously have something up on me... i was using Premium Rust Oleum paints...
It all makes sense what you said, but where and for what am i looking for. is a clear coat suggested or just w/o?
 
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#4
I can tell you what I know, it's not much.
While at a car show, I asked what paint they used to paint their engines. The answer was Centari Acrilic Enamal with hardener. The paint seems to last quite well on hot big block engines. Using hardener gives the look as though clear-coat was used. I've painted a few fenders, lawn mowers, truck cab, car frame with this Centari and I like it. It's not cheap unfortunately. O'Reilly main stores will mix paint and put it into spray cans for you. That seems to be good paint but it's not Enamel. It's hard paint and chips easy. They also cannot mix hardener with it before putting it into the spray can.

Plastic parts need a special primer and elastic paint that flexes with the plastic. I'd suggest going to a automotive paint supply and talking with them about what would work well on that air dam. I'm certain their going to say Acrylic Enamel but for primer, I'm not sure about. I've learned that Laquire paint is very hard, that's great for doors & trunk lids but not so good where sand & small rocks can hit the car (nose area) I can't recall the name of this really tough paint, it's too hazzardous to use outside commercial businesses. Brain damage & all that. It's mostly Enamels and Acrylic Enamels today. Water base paints? I haven't a clue.

My best advice is paint suppliers. Your going to need a special primer in order for any paint to stick to the flexable part. Can't use clear-coats because it doesn't adhear that well to paint. (ducking to avoid rocks & bottles)

EDIT: I'm sorry, my mind has been on paint & prep answering your question. I wanted to mention how nice your paint work was before the clearcoat cracked. I know how you must have felt when this happened and I'm sorry. Need to meantion humidity also has a part in how well paint sticks to parts. Last paint I used came from Atwoods farm supply. They have industrial Enamel. Van Sickle Super Premium. Either in mixable cans or spray cans. I thinned the mixable with mineral spirits or VM&P Naptha and used Glossy Acrylic Enamel hardener. They say the slower paint cures, that better. Mineral Spirits is really slow, give it three weeks to cure. VM&P is faster, both turned out great, so far...
 
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