magnetic numbers

[Chris]

Just wondering who uses magnetic numbers on the track? How well do they stay on? I often see a piece of tape on the front side of the magnet, which makes me wonder how strong they are.

There are also resuable vinyl numbers available, anyone tried these out?

I was looking around on this site for some:

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[Evan]

I used them when I tracked my WRX. I would usually tape the leading edges with painters tape as a precaution and never had any fall off. never fell off when i ddidnt tape them either.

its a good idea to wipe the area they go on with quick detailer so they have good contact and dont scratch your paint.

and btw, I made my own by buying a roll of magnetic vinyl and printing out big numbers from a PC to use as a stencil.

[Mike]

they're great for autox, but the amount of airflow they'll see on a track = tape on the leading edges.