slant bellhousings

This bell looks like it would accept T5. I read somewhere that some of the 80's trucks came with slants and T5s.
They didn't come with t-5s, but this thread outlines how to use this bellhousing for a t-5 swap:
FAQ The Definitive All Of Your Questions Answered T5 T-5 5 speed To Slant 6 Transmission Swap Guide. - Slant Six Forum