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So I got the tranny swapped out and the motor back in over the last couple days. While the motor was out I took the pulley off and found the source of the leak. I hadn't used enough spacers on the sand seal pulley and it "kissed" the seal spinning it in the housing. It's a press in seal, so I pulled it back out, cleaned it back up, and bonded the seal in place with a thin coating of hondabond. I added a couple more spacers to the crank, put the seal back in and buttoned it all up again.
I discovered the hard way that the big HP1 filter doesn't have enough room to come off with the exhaust in place, so I changed it for a smaller filter. While I was at it I checked and the valve clearances, and re-torqued the heads. I checked the spark plugs since they were easy to reach and the mix looks spot on if not a hair rich.
We took it out for a spirited drive yesterday, and I gave it the beans whenever I could and no oil leaks that I could see. So now I'm going to double check the seal on the race car and I'll probably find a similar situation.
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