You just beat me to it....
One minor point - FA150s had O-200s, FRA150 had the O-240. Same TCDS - A23EU
I used to have a supplement for the IPC for the FRAs in a previous life, but not any more. Try emailing Dukeries Aviation (Netherthorpe, UK) they had quite a fe FRA150s on their fleet.
https://www.dukeriesaviation.co.uk/