I have an EPI Almond spring in my green V and an EPI Pink spring in my orange V. The Almond should have more stall but that is not the case. When I move them around the driveway it seems like the orange V with the pink spring has a fair amount more stall than the green one with the almond spring. It is most noticeable when I use reverse. Other than that, I never really notice anything weird when running the orange one. Could their be something worn or dirty in clutch assembly on the orange one giving it the stall?