This is what I came up with as the closest match:
Here's a comparison of the painted (right) and the old faded needle (left)
I also had been meaning to add a check engine light for some time - I found one out of the clusters used to put together what I have now:
All put back together:
For the check engine light I had to run a separate power lead and the ground was provided on the LT1 harness via the PCM. I soldered two leads on the orignal peanut bulb holder and connected them to the power and ground separate from the cluster. Tested and it's all good!
Now I just have to wait until it's dark to see if painting everything white did any good.