posi/limited slips can be noisy around turns on dry serfaces, some clunking/racheting is experienced, also tire squeal can be a problem.
In snow or wet weather it can be much worse. I have had posi's that shove the car forward on ice when the wheels are turned left or right
spools are all that but worse
also with posi or spool your tires must be same diameter!!! not same pressure but same diameter. pretty important witha posi cause otherwise you can wear it out. with a spool, if you get on it the car can become unstable and get sideways in a hurry
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