The owner travels a lot, on business, has closed up the frame rails , and continues to work on it periodically.... that is a 5.4 L DOHC .... I have never heard of a 5.3 L DOHC ford, and in another post you also referred to another wierd displacement. Lotsa guys are gonna , woulda, coulda, but somehow , youre not consistent with your numbers, etc. If you in fact have a blown 460 bird what on earth would possess you to want to do a 5.4?.... kinda wonder what youre talking about half the time , you know, sorta like a wanna be , or something90 sc 460 said:So what happened to that THUNDERBIRD , cause I'm gonna do that or a 5.3L DOHC motor on the bird I'm buying.