Chad- i have a rebuilt 87 gn block with less than 800 miles on it- everything is STD. i could deliver it to you personally-i will be removing it from my 87 gn in a week or two to install my new billet hi po block. my cell 347-680-8642, home 718 967 2874, work 718 244 3767.looking for about $2000. would consider partial trades. Matt