If it is runny it still has solvent in it or has been diluted in a carrier oil. So would definitely be less potent.
Strain specific RSO effects are absolutely real, and provably so where it’s the primary cannabinoid or ratio that differentiates the strain. If there is mostly CBD it’s not gonna get you high, Doug’s Varin might really change your day, Durbin might be similar, but more subtle. If you want more CbN you need to get more abusive… Lowering thc by simply Heating to convert to CBN or anything else ? What temperature found?