Need to replace the fuel and temperature gauge, any concerns/recommendations in removing the gauge pod/panel?

I've read through quite a few of the troubleshooting advice for the temp gauge. I have a little different thing going on here. Just got engine running for the first time in 20+ years. Everything is as I got the car. I tried to ground the temp sender wire to the manifold and got a large spark and...

A couple of days ago I posted an issue I was having with my 56 truck. the temp gauge was pegged at hot but the engine is not running hot. I did quite a bit of research on this website (which is great and I am new to) and found that I am not the only person with issues when it comes to sending...