Hilborn Technical Support

Mechanical and Electronic
Fuel Injection Engineering provides in-house service, repair, and flow testing of any HILBORN product, as well as technical support by e-mail, phone or FAX. Select from any product category for technical support, tips, pictures and downloads.

Mechanical Fuel Injection System Support

---

 

• General Installation
  • Installation Schematic
  • Installation Instructions
  • Operating Tips
• Fuel Injector Manifolds
  • Manifold Adjustments
  • Can I run a HILBORN mechanical fuel injector on a street car?
  • How to avoid corrosion on magnesium castings
  • How to set the metering valve
  • How to adjust the metering valve
• Fuel Pumps
  • Which fuel pump should I run?
  • How to change rotation of the fuel pump
• Ram Tubes
  • What difference does ram tube length make?
• By Pass Valves
  • Adjusting The Primary By-Pass Valve
  • Adjusting The Secondary By-Pass Valve
  • Adjusting The Hi-Speed Cut-Off Valve
• Pump Drives
• Miscellaneous
  • Leak down Metering Valve
  • Leak Tester Instructions

---

Electronic Fuel Injection System Support

 

• Fuel Injector Manifolds
  • Manifold Adjustments
  • Can I run a Hilborn electronic fuel injector on a street car?
• Carabine ECU
  • ECU Wiring Schematic
  • ECU Power Detail Schematic
  • Ignition Wiring Schematic
• EFI Troubleshooting
  • No initial start after install
  • No start
  • Popping out of ram tubes
  • Popping out of the exhaust
  • Poor sound quality at idle
  • High idle
  • Intermitted Concerns including: Engine stutters or skips, ECU doesn’t follow engine RPM, rough idle or dead spots and hesitation that can’t be tuned out
  • Fuel pressure drops while cranking
  • Noisy fuel pump
• Ram Tubes
  • What difference does ram tube length make?
• Fuel Systems
  • Fuel System #1 Schematic
    Applications:
    Street rodding/cruising with stock to mildly modified engines (low to moderate horsepower).
  • Fuel System #2 Schematic
    Applications:
    • Street/strip competition with modified to high performance engines (moderate to high horsepower)
    • Street rodding/cruising with stock to mildly modified engines (low to moderate horsepower) !NOTE: This fuel system requires additional fuel fittings, not supplied in efi kit, that must be purchased separately.
  • Fuel System #3 Schematic
    Applications:
    • All racing applications with high performance engines (very high horsepower)
    • Street/strip competition with modified to high performance engines (moderate to high horsepower)
    • Street rodding/cruising with stock to mildly modified engines (low to moderate horsepower) !NOTE: This fuel system requires additional fuel fittings, not supplied in efi kit, that must be purchased separately
• FAQ