1975 f100 ranger

I will add pics thru auction and more descriptions.
Selling local, reserve right to end listing at anytime.
What i know:
Lots of rust
Speedometer is about 2xhigher than actual speed
Heater works
4wd works
Idles high
Loud Truck
Smoke/smells like oil
Mileage says 29770, so i dont know, and it will gradually go up