Compressed air is the best to try and get the remaining sand out. You will likely be finding sand for some time, but it is a fair price to pay for having all the rust removed as well as any filler so that you can see exactly what you have to work with. Once you get an engine in it and running, the vibration will shake some more sand out of it.
You might want to find out exactly what metal prep the sandblaster used. Reason being, you will want to check and see if it is compatible with the primer you plan to spray over it. Some primers will lift even if silica sand was used. The best thing to do after steel has been sand blasted is to simply epoxy prime it ASAP.
Quote:
Originally Posted by Slik66
Its a mess... The sandblaster sprayed a metal prep all over it to keep it from rusting.
And I have no idea how I will ever get the sand out of this thing.
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