A few LIGHT pass overs here with the grinding disc and one can see the Letters almost gone to the touch.
A small smear of either All metal or Polyester putty is all that is needed across the whole facade of the letters. After sanding with first 120-180-220-320-400-600 paper, it will look like new and stock. Paint Hemi Orange or Turquoise to suit your vintage and taste.

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Last edited by fullmetaljacket; 09/08/15 10:27 PM.