Hi everyone.
I just wanted to share some results of a little glass polishing I did last night on my 300zx's 21 year old windshield.
I've had the car for more than 6 years now and never got around to fixing the nasty swirls and scratches that were all over the glass. Not sure how it got this bad. Almost looks like the previous owner would use a steel brush to clean it
They're not so horrible in my garage lighting, but out in the sun they are awful to look at. So much so that they actually impair my vision.
I finally got tired of looking at scratches while driving so I decided to do something about it.
I used the following:
Flex PE14
CarPro Rayon glass polishing pad
CarPro Ceriglass glass polish
distilled water
damp microfiber towel
The glass polishing pads have very little cushion so it can be quite a challenge to control, especially on a rotary. Still, with a little patience and many overlapping passes, I started to see some awesome results. I actually ended up throwing on the handle for better control. Haven't used a handle in quite some time.
Yes, that's my Amazon camera remote clicker.
I find that when polishing glass, it is important to work in small sections and keep the polish wet with a little bit of distilled water. I used speed 4 and did my final pass with speed 2.
I had to go back and apply more polish and keep working the product to really make a difference. These were some pretty serious defects and I knew I wasn't going to get by with 4-6 overlapping passes like I would on paint. 10-12 passes is more like it.
Before
After
Some deeper scratches did remain. It didn't come out 100% defect free but it was still a enormous improvement. The swirls and scratches used to be very distracting while driving in daylight. Now it's back to crystal clear.
I might end up purchasing a new windshield just because I have a few nasty little rock chips, but for now, I'm very happy with how my glass looks. I wish I hadn't been so lazy about it in the past. Otherwise I would have done it much sooner
Thanks for reading, now it's time for a wash to clean up the splatter.
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