Amazingly my dash wasn’t butchered, so I went with the middle RetroSound unit. So far so good, Bluetooth works and it’s plenty loud enough for me.
It appears stock.
I had to dig around but knew I still had it…. I’ve got the advance timing light around here also.
I didn’t need the dwell function, using the tach works well though when tuning.
The LED front sidemarker light fixtures from LMC work, flashing properly when connected properly.
https://www.lmctruck.com/lighting/sidemarker/cc-led-sidemarkers
Lots of info out there on those old big blocks with those fittings.
Small plugs (like freeze plugs) or tapping them for threaded fittings was usual way back in the day.
Mark V GM big block
Those fittings will come out of the block, there’s a bypass spring involved.
https://www.gmsquarebody.com/threads/big-block-mark-v-oil-cooler-lines.25300/
Welcome!
Thanks for the pic, so many new folks don’t include one.
Good looking truck, great start for a project.
I had one just like it way back when, it was “Plain Jane” bought it from a church.