Not new to the brick board, but new to the 1800 forum
I'm am looking for at least one rotor for my 62 P1800 vin 3357.
The 61 and 62 1800 rotors are taller.
Steve

In case you don't have it, the Volvo p/n for that rotor appears to be 657879 (ref. saabshop.cz/pdf/SKANDIX_Catalog_Volvo_P1800.pdf) and of course is no longer listed as available from the usual new part sources.

I see you're in Ontario. For possible parts sources on this side of the border, I'd reach out for a chat (toll free) with the guys at Chapman Motors here on Vancouver Island, one of the largest Volvo wrecking yards in Canada https://www.chapmanmotors.ca/rareparts.html. Their main Cobble Hill yard stocks a selection of parts for old Volvos, including the P1800 and may even have a suitable parts car with a rotor worth turning. They ship nationally as well as internationally.

They may know of a possible source for you and will also know of other customers with an interest in P1800 restoration who may be helpful. One of those people is Jamie Graham in Victoria, one of the top P1800 fanatics in Canada. He's been featured in a number of auto magazine and website articles. If you're a member of Volvo Forums you can find his profile and start a chat with him there. You can probably also find him as a member on other old Volvo groups. You could also try searching for an old P1800 ad of his with contact info.

{Edit: I see Eric has given you some good advice. Parts for a conversion can also be discussed with the above sources)
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Dave -still with 940's, prev 740/240/140/120 You'd think I'd have learned by now

Thanks for that Dave. I do know Jamie and have bought parts from h in the past. I had forgotten about him as we don't communicate often. I have sent him a mssg. And will see what he has.
Steve

Hello Steve,

Have you measured the rotor thickness and if yes, what did they measure?

I've NEVER seen a new early rotor and when confronted with a badly worn early rotor(s), we've had to update to the later style of rotors and that requires updating to the later calipers, caliper brackets, brake pads and backing plates.
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Eric
Hi Performance Automotive Service (formerly OVO or Old Volvos Only)
Torrance, CA 90502
hiperformanceautoservice.com or oldvolvosonly.com