Anybody know Ford's, here?
I had the same timing chain problem on a 289. Fairlane and Mustang power steering pump brackets and reservoirs were different in 65 and 66. 65 had larger fill. 66 pumps and brackets were simular till 69. Big thing to watch out for is newer aftermarket waterpumps do not have the same gasket face to bracket mounting point measurements hence you could have a correct bracket but the pump causes a misalignment issue. I get home from offshore tomorrow evening late but if you still need help I can get you some photos and measurements on Wednesday.