CAD 500 Parts Tips & Tricks from "The Falsh"

Don't use the stock Caddy flex plate with the cutouts if you're going to be making some serious power...	Before starting a fresh motor, prime oiling system by spinning oil pump drive ‘til you get pressure. It's easy and if something's gonna leak, it'll save a big mess.
You guys with Caddy transplants make sure your driveshaft isn't too long. This can wipe out the thrust bearing and crank . . .	Try to retain that little strap that supports the end of the starter to the block. This seems trivial but if one of these big boys kicks back against the starter hard it'll be swinging in the breeze by its wires.
Use a real fan with a clutch and good fan shroud whenever possible. (Far superior to electrics).	The two groove AC, P.S. belt system is too close to the HEI Distributor… Use the single belt system.
For starters go "easy" on the gear ratio to start with on your Caddy. These are not "mouse motors".	The TH400 and 4L80E will handle the torque . . . Any thing smaller will be on borrowed time.