Check out the piston for the 5.3 L Chevy Vortec engine. It looks like it might be a pretty close match for the Cadillac, and it's a lot newer engine- - - -just might be more available and less expensive. Not sure about the compression height, but the other numbers look pretty close.
Jerry
OOPS! scratch that idea- - - - -WAAAYY too short on the C H!
Jerry
Last edited by Hotrod Lincoln; 04/04/2014 2:44 AM.