Hi Mike,
A guy once spent a LOT of effort working though the intricacies of a -140 cam on Team Camaro. If you've got the time, here's the tread:
http://www.camaros.net/forums/showthread.php?t=155736
I run the -140 in my 302. Very cool to see someone tinkering with the old cam again! Hope you get her dialed in.
Nick