Anthony, its good to hear from a fellow Volvo racer. Too bad we didn't correspond sooner. I was in Denver for 5 days last month with my wife, who was there on business. I would have loved to get together and of course see your P1800.
I had previously raced a TR4 and then my wife and I had twin Zink FVs which we sold when I retired two years ago and moved back to Texas from Florida.
I actually started working on the Volvo before moving and completed it last September here in Texas. I have had it out twice and experienced engine problems both times. On the second outing it lost oil pressure; most likely, the oil pump shaft broke. In any event there was a lot of metal in the filter. I will pull the engine and send it to a real engine builder as soon as my workshop is finished--hopefully in about a month. Let me know how your racing is going.