Senior Tinner at the time Corky was a great mechanic. Figuring offsets and compound offsets ( where it not only set's for elevation also side to side) . Finding the true length of that line makes for a spot on fit up and or shot. There was no figuring solutions with a calculator,at the time. π was the only way with him. Cheer's Corky πΊπΊπΊπΈ