Torco accelerator works great and we have been running it for a couple seasons now. I would say half of one of their bottles would be just fine with pump premium. We have been running turbos and supers at sea level for two seasons at 6-8 psi with torco and no issues. I personally ran my mcx at 8-9 and mixed in a third of a can of torco to each tank and the pistons looked great!!
If your paying that much for 100 your getting screwed.