I ended up going to Wal-Mart and getting three different bulb sizes.

Stock size is 194 which is 4-5 watts
908 is next brightest
212 is 14 watts
221 is HD version of 212

908/212/221 is larger that 194 and just touches the back of the speedo head.

Ended up going with the 221 bulbs, I can SEE those gauges now! The dimmer control actually has some function now