Update: I put the 145 mains in my FCRs, and they're not too lean. Might still be too rich but not enough miles to tell.
Needles were on position 4 (of 7) when I got them "pre-jetted" from Chris Kelley (that's not a knock on Chris, whom I greatly respect). I now have horizontal cylinder on position 1 and vertical on position 2 - substantially leaner - and they're not too lean, perhaps still could be leaner but... see above.
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