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   Shop by Catalog > Drag Specialties / Fatbook > Fuel / Air Systems > Fuel Management Systems
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  DAYTON TWIN TEC TCFI GEN III FUEL-INJECTION CONTROLLER

 
 
  • Simultaneously auto-tunes fuel curves for front and rear cylinders under actual riding conditions with new WEGO IIID dual-channel wide-band oxygen sensor interface
  • Fully programmable plug-in replacement for Delphi® controller
  • Robust alpha-N (throttle position and rpm-based) fuel control eliminates problems with long duration/high overlap camshafts
  • Full support for SAE J1850 data bus used on 04-08 models (except 08 touring models with electronic throttle control) for communications between the engine control module, instrument cluster, turn signal/security module and diagnostic scan tools
  • Support for new sixth gear indicator on 07-08 models
  • TCFI also has built-in data logging that stores data for the last 60 minutes of operation at 10 samples per second
  • PC communications is by means of a USB interface that plugs directly into the exisiting H-D diagnostic connector
  • Powerful Windows software for custom programming and extended data logging and diagnostics
  • User programs a table with the desired air/fuel ratio and the system does the rest – no dyno tuning required
  • Idle air control including idle rpm and cold start characteristics are fully programmable which facilitates use of aftermarket throttle bodies with higher airflow
  • Kit includes TCFI fuel-injection controller, WEGO IIID dual-channel wide-band oxygen sensor interface, two Bosch LSU 4.2 wide-band sensors for front and rear cylinders, USB interface for PC Link, software and two 18 x 1.5mm weld nuts for exhaust pipe
NOTE: Not legal for sale or use on pollution-controlled vehicles.

 
Quantity Item / Item Code Price
REPLACEMENT COMPONENTS FOR TCFI II FUEL-INJECTION CONTROLLER
Repl. WEGO II oxygen sensor
1022-0008
$104.95

18 x 1.5mm weld nut (for mounting sensor to exhaust pipe) (ea.)
7806-1563
$5.95

18 x 1.5mm hex socket plug (for plugging 18 x 1.5 hole after tuning) (ea.)
7806-1564
$5.95
TFCI GEN III FUEL INJECTION CONTROLLER

For 01-08 Twin Cam w/ Delphi® EFI system (exept 08 Touring models w/ electronic throttle body)
1021-0006
$874.95
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