Best budget locker posi or spool for a 14 bolt semi float

[dragn91]

I just install a year 14 bolt semi float rear in my truck it seems to work well. My problems is my last rear was a posi and this is a one legger. What's the cheapest way to get both tires to spin. I'm not gona weld it tho. This is a low budget fun beater truck but I do plan to put some miles on it. I hear spools aren't good for the street but it's a big old crew cab I'm not going to be turning very sharp so I was wondering if I could get away with it. Or would a locker be a better option or just find a used limited slip to throw in it. Are the 6 and 8 lugs the same besides the axles for this year I did find a used limited slip rear for 300 but I need 6 lug and it's 8