Wet or dry sand

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+1 to OTO. Do not start with 80! I assume you are talking about the stock axles? If you are they are already small in diameter you don't want to take them down much further. For me I would file just enough to get the crimp marks gone than very quick hits with the sand paper 600,800,1000,& I would stop at 1500.
Now if your talking about some good axles like the 92X's I would start at 1500 and go up from there.
 
+1 QT and OTO. Don't go any lower than 400 on stock axle out of the box. I assume you know to use a file to get rid of the burrs on the head and shaft, before you start with the wet-sand paper.
 
Corvid, your present technique will reduce the diameter resulting in slop. Make sure to use paper made for wet sanding , it

should say on the back. For the lesser grits use less pressure and time sanding. Some guys don't stop til 60,000 grit but this

may be excessive, I'm not really sure. DD4H has great deals on paper that I highly recommend, resulting in a mirror like finish

with minimal effort.
 
Corvid, use the file to just remove the crimp marks on the shaft with the axle stationary. Then you can spin it and clean up under the head then use the wet sandpaper all over.

If you file the shaft with it spinning you will reduce the diameter too much. If I have to use stock axles I just clean up the crimps and remember to install the axle with the crimp UP so the wheel doesn't ride on it.
 
Try putting a drop or two of dish soap in the water you use to wet sand. Helps lubricate the paper and wash away the debris IMHO.
 
If you go to Hobby Lobby, they have a sandpaper packet that goes up to 12,000. It is usually hanging just to the left of the Pinewood display, but not a part of that display.
I have been to three different stores, and the sandpaper is about 5 feet to the left in anohter display. Packet is about 3" X 10".
Personally, I would go all the way with each grit of 1000 or better, i.e. take less than 5 seconds per each grit, especially the lower grits. 8000 and 12000 maybe 10 seconds.
Finish off with a leather thong and Brasso. That will really put a shine on the axle.

We have been doing this for six years on my grandson's cars. They have all taken first place all the way to the Council race for a lot of years (in Arizona)
 
In my opinion don't over work those sorry out of the box axles. If you can't use DD4H 92's or his replica BSA axles (which by the way are very good). The 92's are far better than anything you can find anywhere. If you must use out of box BSA axles , spend less time on them and more time on rear alignment and proper steer on your DFW . Because that is were you can find the most speed !!!!!!!.....SPIRIT.........
 
Quote:
with a leather thong
eeek