What does fit with the starter?
- Does the nose bottom in the bellhousing before the body bolts flat to the mounting surface?
- Does the body bolt flat, but the starter gear does not engage the ring gear? i.e. starter too far away or ring gear too close
- Is that the flexplate with ring gear that Reid recommends with there PG bellhousing/case?
- Many PG conversions require shimming the starter, and if lots of shims are needed, a starter nose extension is used.

FYI, attached is from the company that makes my PG converter.
If the flexplate is too far from the converter, washer/spacers are used. With my setup, I used 1/4" flat spacers.