Here's what I have
Engine Modifications:
-Ford E7 Cylinder Heads, Ported and polished with a 5 angle valve job, and Performance Vassco Dual Springs, Moley Keepers and Retainers- Thunper's Heads
-Ported Lower Intake Manifold off of a 1986 Mustang 5.0-TMOSS Ported Lower
-Upper Intake off of a 1993 Ford Mustang 5.0
-Mass Air Conversion
-1/5/8 Jet-Hot Coated Pacesetter Headers
-Kirban Adjustable Fuel Pressure Regulator
-Pacesetter Off Road H-Pipe
-
Flowmaster 3 Chamber Exhaust
-65mm Ford Racing Performance Throttle Body and EGR Spacer
-3.55 Rear End Gears
-19 Pound Fuel Injectors
-Ford Motorport 9mm Spark Plug Wires
-MSD Blaster Coil
-Modine 3 Row Radiator
-180 Degree Thermostat
-Pro 5.0 Power Tower Shifter
-140 Amp Powermaster Alternator
-
K&N Conical Air Filter
-ARP Head Bolts
Suspension Modifications:
-Tru-Speed Strut Tower Brace
-Tru-Speed Shock Tower Brace
-KYB Gas-a-Just Shocks, Struts and Quad Shocks
-Subframe Connectors
-Steeda K-Member Brace
-
Eibach Lowering Springs
-5 Lug Conversion Which Includes 11” Front Rotors with Dual Piston Calipers and Rear Disc Brakes
-1999 Ford Mustang Cobra 17” Wheels with Yokohama AVS/ES100 245/45/17 Rubber
I do not have any problems running the 19 pounders. Except, you probably want to get an adjustable fuel pressure regulator.