....even if I had, I could never admit to having shagged a tranny...
You might find someone with a bus/bay type2 /early T25 Bus cast off bellhousing, where they've converted to diesel JX/1 y n have no use for the aircooled 4 bolt style bellhousing
I've one I'll using myself which I got off a diesel gearbox I bought; it seems the T25 was converted to Nissan/Datsun SD diesel in its past n presumably you' needed the petrol/4 stud bellhousing to mate with the old school plate engine adapter....