Disappointing dyno results

jawbone said
Want to run on pump gas. Check link. Almost same specs.

https://www.hughesengines.com/Index...&level2=SHlkcmF1bGljIFJvbGxlcg==&partid=30210

Is that the cam you are running? I am no cam wiz but I would like to see more duration especially with a 340.