Solowookie and Banjo, first off howdy and thanks for the reply, here is what I have found.
the 500 and the 350 are very similiar in weight, in fact if you put an aftermarket alluminum Intake on the caddy you weigh less than a 350. If you wnat I will look up the weights for you. The Caddy is a thin wall nickel cast very light weight design but disperses alot of heat under the hood. I drive the Suburban in eastern washington summers and have never overheated/vapor locked (90-100+ degrees) for long miles. The motor is stock and has 525 ftlbs of torque and 365 horse stock and gets about 15 mpg (if the wife drives)much less if I drive, ha. I would not trade the application for any other motor. As for the fender well cuttin on the the 454 application, I have only seen one, and he had put his power steering box on the outside of the frame. As I remember there was some exhaust clearances in the equastion as well???? I'm not sure. I will have to check it out further. Thanx for the info, RR
