I tried to do he white reflective paint in my car, but the prisms were to far gone (melted by PO) to evern do anything. In the end I have 4 super white LEDs in the cluster and would never go back to stock.

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1981 300 SD 213k miles "Stock for now"
1999 Super Duty 7.3L 113k miles
1981 300 SD 180k miles "Heavily modified" SOLD