what to do with this rally dash?????????????????????????

Plastic should be chemically striped. Any high gloss paint and especially chrome will amplify imperfections and scratches that come from sanding, etc..
The chrome goes on first and covers entire part. Then the detail painting is added. Optional clear coat is the final step.
Here's something new...
http://alsacorp.com/portable_powder_coating_system/index.html#PowdaChrome.