Thanks for comments and insight. I just ordered the bulbs in the link below. They are 3X 3030 LED's. Vendor quotes about 300 lumens (I'm sure 300 LM is for the white bulbs). I ordered 4 red and 6 white. I hope to use the red's for the gauge lights, but if they end up being too bright or I don't like them, I'll still have 6 whites that I can use for interior lights (dome lights, etc.) on my car. Delivery is 50 days... I'll post before/after pictures of the gauge back lighting once I've received and installed the bulbs.
https://www.aliexpress.com/item/4000...4da54c4dPCikSq