My history with forkbending as as follows. When I first returned to cycling I felt the handling of my Trek 610 was too sensitive (52 mm offset, medium trail) and twitchy with tubulars compared to my vintage Masi. I found a builder who would reduce the rake of the 610's fork by about 10 mm, achieving about 58 mm trail. The calculation comprehends the fact that the head angle was changed. He did so and aligned the frame leading to a much better-balanced bike, but it still did not match the handling of the Masi. When my interests turned to longer-distance riding with a front load, I wanted to change the Trek into a front-loader with 700x32c, which would have needed reducing the trail to the low 40s. I wanted to re-rake the same fork to get about 60 mm offset. I could not find a builder who was willing to take this on. Reasons given by builders here were based on concern with cold-setting the same fork blades too many times: once when originally shaped, once when deraked, and once when re-raked. Fork tube material is CrMo. I finally found a builder who would build me a new fork out of lower-cost Dedaiaccia 4130 tubing with a wide crown. The price was right, so I went for it, getting 65 mm offset and about 35 mm trail with 700c x 28 tires. It turns out that frame could not have handled 32s with the clearances I'd like to see.
You have two issues: adequate offset and adequate fork strength. It might be best to find a builder to make you a new steel fork with a carefully chosen tubeset, that solves both problems at one stroke.