Kenny, I come across them all the time as I am looking for a 71, I can send you 72/73 leads if I find worthwhile ones. What is your budget and email addy? Thanks, Chris
https://tricities.craigslist.org/cto/d/for-sale-1973-buick-riveria/6453225294.html https://indianapolis.craigslist.org/cto/d/71-buick-riviera-boat-tail/6426651575.html https://indianapolis.craigslist.org/cto/d/1973-buick-riviera-boat-tail/6453509054.html https://kansascity.craigslist.org/cto/d/1971-buick-boat-tail-riviera/6401682385.html https://oklahomacity.craigslist.org/cto/d/1971-buick-rivera/6415996568.html https://sfbay.craigslist.org/sfc/cto/d/1972-buick-riviera/6450189695.html https://medford.craigslist.org/cto/d/for-sale-1973-buick-riviera/6446791383.html
Electra and Riv were standard 455 but the LeSabre came standard with a 350 but could be ordered with a 455
Black..........https://chicago.craigslist.org/sox/cto/d/1973-buick-riviera-gs-mild/6619980762.html Orange......https://chicago.craigslist.org/sox/cto/d/1973-buick-boatail-riviera/6638839703.html Kermitian...https://chicago.craigslist.org/chc/cto/d/1973-buick-riviera/6656844761.html