this is Longhornman's (Andy) link for the caddy swap,
http://www.geocities.com/caddyoneton/?200712?200814
this is my build with the 500,
http://67-72chevytrucks.com/vboard/s...d.php?t=290786
and here is a site for all the caddy info you would need,
http://www.cadillacpower.com/forum/
and finally here is the place to buy all the toys for the caddy motor. you can call Andy at MTS (owner) anytime, he is always available for help.
http://www.500cid.com/
this should be all you need.
Al.