i looked real close at it and it is a clean engine it is sitting in a 75 safarie wagone that the wrecked so now he selling parts. was great running car with only 72k on and he is the orig owner. so its well worth the buy is the feeling i am getting. i have a 455 out of 73 wagon that i was going to build an play around with but im reading that 400 are much stronger to build...