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Since I'm new to these forums, I have been trying to catch up. I came across this thread of a Metro rebuild and had to comment on one subject.
I am referring to the headlight situation.
I work for a headlight factory, the coating that is on them is what we call "Hardcoat". I don't know what it's made of exactly but it's really tough stuff.
It has to be because plastic scratches so easily. We use Acetone to check them to make sure they have been sprayed.
If they haven't, they turn white like in your photos. As far as I know there's nothing that will take that hardcoat off other than age.
Sometimes we get an imperfection in one, if it's not too big we can buff it out with a special polish we use.
We used to make them for I think the earlier Metro's but don't remember the years.
We make the lights for 10 years after the OEM model ends for replacements such as for autodealerships, automotive stores, etc.
I have a question on your replacements that you have now. You are losing a few MPG's with them because of bad aerodynamics, have you thought about putting aftermarket covers over them to gain some of it back? Just a thought.
Keep up the good work.
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