Looks like you've got yourself a wee bit of a project
I had an 85 2wd long box SR5 EFI for 10 years.
I drove it like a Celica w/o a thought to FE and avg. 28 mpg. Loaded too the gunnels, tires rubbing many times and it didn't care, even towed a 80's F450 diesel (about 2.5 times the curb weight) a couple miles once, the clutch complained about that one a bit. It was like a faithful dog, wish I hadn't sold it.
Looking forward to the resurrection