I had trouble finding some actual dyno results for engines using the RHS heads and just wanted to post up the results from my recent build. As you can see, the RHS 200 heads made some pretty damn good power. The dyno was on a superflow 901 and the numbers are corrected for sea level.
Ambient temp was 89 degrees. The dotted curve was the first pull. There were a couple pulls in between working on timing and with a 1" carb spacer (which yielded no add'l power). The second curves was t