Marks on stainless. Wont go.

[Andy_]

IMG_4374.jpg
I won a trophy at a car show for the first time.
Really happy obviously.
But there are these marks i cant get rid of.
Tried solvents, cleaners, barkeepers etc.
how do i do a deep clean on the body?

Really trying for a showroom detail. Cant get rid of the marks.

Really trying to look the best possible.

[Andy_]

Everything else has come up really nice. The stains above just wont go.
IMG_4375.jpg




See this pic looks great. Above not good.


Ps looking for a decent door blocker option. Fed up with kids jumping in when the doors are open.
Double question.

Thanks

[Bitsyncmaster]

Try 120 grit wet sand paper very carefully staying with the grain.

[mrsandman]

For a door blocker, you can use 3/4inch PVC pipe to go between the door pins. Just cut out a slot for the pin on one end of the pipe. Stores up front in the frunk and doesn't take up much space. I covered mine with duct tape to decorate.

Otherwise there is the Show Stopper from Delorean Go if you want a retail solution.

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[mike123]

There are a bunch of options like this if you have a 3D printer: https://www.printables.com/model/120...people-barrier

I like the seat belt based options because it doesn't look as out of place on the car, and you get a little more coverage with the two straps coming across. And they're tiny and can sit in a cup holder or coin tray to and from the show.

[JRNY13]

I have good luck with WD40 for tough stains.

[painterdave72]

Have you tried scotch briting them out with the grain of course??

[David T]

The plastic pipes work great. You really don't need to make a slot, they are flexible enough that if you bend them in the middle, they can fit over the pins. I used 1/2" white PVC painted yellow and wrapped with 1/2" electrical tape. As for the stains, start with 80# sandpaper and work up to 120# and then blend with rough Scotch Brite pads. If you let wet leaves dry on the car you also get stains you can't easily remove, the same procedure works for that as well. Use masking tape as a guide to keep the grain straight and to cover the rub rail and fascia edges so you don't do any damage. When you do one panel it will look so much better than the adjoining panels that you will wind up going around the whole car. For the plastic I use Back To Black, it will make the car look like new! Congrats on your trophy!