Thanks Barb, I've been looking foward to this part of the project, when things actually start going together for the final time.

Regs there is a reason most Caddy owners don't talk to much about HP

In stock form the Caddys don't really wind that tight and the HP figures are not really all that impressive. There was an outfit that did some dyno builds on the 500s a few years back and the baseline on a stock 8:1 compression was only 302HP, but it made 500 Ft Lbs of torque at 2600 RPM. Although I'm running 8.5:1 and a bit more cam I really don't expect to be making much more HP than that but AM looking at above 500 Ft Lbs of torque between 2200 and 2600 RPM.

You can get some impressive HP numbers from the big inch Caddys but you are going to spend of bunch of money doing it. Like most people who are playing with these motors for the street, you just leave them fairly stock and play to the stregnth of all that low RPM torque