Thread: guide coat verses my way

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At my shop, I take some wak and grease remover after block sanding, and spray a thin layer across the panel. This will give it the appearance of a cleared panel. you can check for highs and lows while it is wet and as it dries it just evaporates into the air. This should be much less expensive than your 3000 grit method. plus you might be losing your adhesion if the last scratches you put in the primer are 3000 grit.

I personally use guidecoat, plus this wax and grease remover method. for a couple bucks a can, its worth it.

Check my first post. I only use the 3000
to buff the primer to see if it is flat , not for the final sanding . After I see that the panel is flat.( If it is flat) then I go over this with 400 . If it needs more work than I do
filler or whatever .