FITMENT:
SPECIFICATIONS AND FEATURES:
- Universal, any electronic fuel injected engine with a return style fuel system with port or throttle body injection.
- May be used with direct injection vehicles to regulate fuel pressure to the inlet of the high pressure fuel pump.
- May be used for inline or deadhead regulation
- May be used in a series with another F1i, F2i, or F4i to supply multiple pressures and/or reference strategies with one feed line
SPECIFICATIONS AND FEATURES:
- Pressure Ports: two ORB-8 female (fitting not included)
- Return Port: ORB-8 female (fitting not included)
- Auxiliary Port: NPT 1/8" female (plug included, PTFE thread sealant required)
- MAP Reference Ports: two NPT 1/8" female (fittings not included)
- Base Pressure range: 25-70 psi
- Boost Limit: 250 psi
- FKM/Nomex composite diaphragm is compatible with gasoline, race gas, ethanol, methanol. MTBE will reduce diaphragm life.
- Not compatible with acetone or brake parts cleaner.
- Hydrodynamic internal cavity suitable for passthrough regulation
- Zero chatter design for maximum life expectancy and maintained accuracy
- Fine Pitch adjustment screw for precise setting of fuel pressure
- Reversible stainless steel mounting bracket included
What are the key differences and similarities between the F1i and F2i?
- F1i and F2i have exact same valve geometry and performance specifications
- F2i has a ceramic/stainless valve, F1i has stainless/stainless valve
- F2i has a corrosion resistant fluoropolymer coated spring
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