I have an 87' Ford F-150 with a Ford 9" rear and I'm looking at have a Detroit Locker installed. Anyone here have this done and what is your opinion?

http://www.ringpinion.com/ProductDet...px?ProdID=4155

I live in Snohomish, WA and will be taking it to Randy's in Everett to get it installed. Not too concerned on price as the location is close to my work and is super convenient.

Thanks for the help,
Bo