I have a 1999 5.3l Chevy silverado z71 with about 184k miles on it, Im looking to get a manual transmission put on it but i dont know if its possible. I've been searchin online and havn't found anything yet!So i decided to just post a topic on here and see if anyone on here has found one for a 99 silverado 5.3l If you know where i can get one please let me know! any help would be greatly appreciated! Thanks for the help in advance!