Quote:
Originally Posted by LarryIII
What did you use on the outside of the headlight lenses to get them so clear? I would like to try to clean and polish the exterior of the headlight lenses on my '92 SVX, "SVXY". Thank you.
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Hello LarryIII
First, the right side of the headlight in the photo is after polishing, and the left side is before polishing. Left headlight of top half became yellow.
There are many chemicals available that will clean your headlights without any effort, but I don't want to take any risks, so I stick to the old-fashioned, tedious method.
In classic cars, if fails by chemicals, sometimes there are no alternatives parts. Then, I use only sandpaper and compound.
For example, alcohol has been known to cause hairline cracks in polycarbonate. Headlight chemicals do not typically list their ingredients in detail.
So I'm afraid to use it. Of course, if there are other people who are using chemicals without any problems, I think that's the right way too.
For reference, I start with #600 and then wet sand using #1000, #1500, and #2000 sandpaper.
Then polish with Farecla G3 and a cloth, and finally with Farecla G10.
The work time is about 30 minutes per side. When polishing with the lights still installed on the car, protect the surrounding area with paper masking tape or other tape that does not leave any sticky residue to avoid damaging the paint on the body.