Holley Sniper 1100 Install, Initial Setup and First Start

DISCLAIMER: These videos show my way of doing things. Don't necessarily follow my advice, I could be wrong. You are responsible for your actions. Not me.

Installation of 12-305 fuel pump module and 550-552 Sniper 1100 in a 66 Mustang.

Holley Sniper 550-552
Fuel Pump 12-305
3/8” Vapor Guard Filter 731166ERL
90° -6an to 3/8” Vapor Guard 759166ERL
3/8” Vapor Guard gauge adapter 782461ERL
-6an cap summit brand SUM-220640B
Fuel pump block off plate summit brand SUM-402035
Earls 3/8” vapor guard hose 20 feet 752066ERL
Earls EFI hose clamps 750006ERL
Any 1/8” NPT 0-100psi fuel pressure gauge available.
Optional 3/8” replacement hardline for mustang. Note: Classic Tubes fits like crap.
You may substitute for 5/16” for the six cylinder install if you like.
Spare Parts
O2 sensor Bosch 17025
Fuel pump replacement is Holley 12-156 or Walbro GSS341
TPS- 17087645 17106683 17081545 17111808