Originally Posted by abritton77
I was using a summit racing summit racing 110 gph mechanical pump. I had installed it over the winter along with some other changes is why it took me so long to figure it out. I would swear that our description sounds just like my nightmare. It cost me a small fortune to figure it out.
This Holley Big End pump was purchased off eBay. I'm sure its a knock off just like the summet pumps are