My plan is to replace booster/master cylinder, all lines that have not already been replaced, and replace front calipers. After some research, it looks like the current booster/master cylinder is from a '72 Impala, which is a decent choice. A rebuild unit was available from O'Reilly's for a decent price, so I grabbed one of those.
PO chose to drill out 4 large sloppy holes to mount the booster:
The 4 clean looking holes in the middle are the original threaded holes.
I plan a hydraulic clutch setup in the future, and would like a cleaner mounting method, so I purchased a bracket and clutch master cylinder setup from CaptainFab
http://www.67-72chevytrucks.com/vboa...d.php?t=651200
It's a very well engineered and fabricated kit, I highly recommend it for the time savings and professional finished product you will have. I rough mounted it:
Then have 3 holes to drill. Due to the tight fit of the clutch master cylinder to the inner fender, you need an extension for your drill:
