mast height

Just saying Hi! We just purchased a Catalina 275 Sport. Exciting times! We will sail mostly on Lake Washington WA, with occasional trips to the Sound. Which bring me to a stupid question. The datasheet shows a mast height from DWL of 39 feet. I measured the mast at 36.5 feet before it was...

PROBLEM: 1979 Paceship 23. Irreparably bent mast during haul out. Bought a new-to-me [used] mast. New mast is shorter. Have practically new standing rigging which I want to re-use. Side stays will transfer, but need to shorten fore and back stays. Old Mast: 27' 6" New Mast: 27' 1" QUESTION...