Bu- here's a template for locating the F-body/McLeod 139001 clutch master cylinder to be used with John Bzdel's pedal:
Here's a direct link so youo can save or print it:
http://www.shiftn6.com/images/cruiseholedims.jpg
Tommy

Here's a direct link so youo can save or print it:
http://www.shiftn6.com/images/cruiseholedims.jpg
Tommy