What rear-end could I put in my 63? I have the stock rear-end but was told that would not hold up to 350-400hp. I can swap it out with an 8.2 or 8.5 10-bolt but I am looking for something I can swap without a lot of cutting. Someone told me an s-10 rear end will work cause it is shorter, is this true? I have seen a lot of 10-bolt rear ends for sale but they all seem too long...any help.