YS or Saito
I don't have the answer to your question but just let me throw this in the mix. I had a YS 1.20 AC on an Ultra Stick 1.20 and a fellow flier had the same plane with a Saito 1.80. We were both swinging APC 16 x 8's and the YS seriously kicked but on the Saito in every aspect. Just my observations.