Got lube?

Ok going to fire up the '69 swinger 4speed. I want to do a fluid change in the tranny. What should I fill it with. Type,weight, or brand? Mostly street driven. And it's never been apart. But needs some seals replaced. Like side cover and yoke seal. Just wanna put some good fluid in it. I'll probably change the front seal as well. Any thoughts? Or opinions? Thanks for chiming in:burnout: