Holley sniper install

I have a Sniper installed on my 440 and it was very straight forward. The most involved part being the install of an in tank pump. I used a Sniper EFI tank and 255 Walbro pump (which I later had to switch to a higher flowing unit) and running a return line.
I am using my factory distributor with Pertronix III ignition without issue. Here is my thread on fbbo...I Finally Did It.....EFI