24x Hardware 24x Documentation
24x Wire Harnesses 24x PCM Calibrations
Electronic Throttle 24x Photo Gallery
Coil Mount Ideas
24x Photo Gallery

1982 S10 Wildside
  • 355ci w/ Tuned Port Injection
  • EFI Connection 52mm Electronic Throttle Body
  • EFI Connection 24x Engine Harness
  • 4L60E Transmission
  • All Wheel Drive

TPIS 396ci LT1
  • 396ci LT1
  • 530+ hp on TPIS engine dyno
  • 58mm Electronic Throttle
  • 15 hp gain over LT1 PCM with MSD Optispark!

TPIS 383ci L98
  • 383ci LT1
  • 480+ hp on TPIS engine dyno
  • 58mm Electronic Throttle
  • Prototype Coil Brackets

1994 Turbo 25th Anniversary Trans Am
  • 355ci Forged LT1 w/ 70mm Turbo
  • 516 rwhp / 576 rwtq
  • 2 Bar Speed Density w/ HP Tuners

1999 Trans Am
  • LT4 w/ Vortech YSi Supercharger
  • 700 rwhp / 600 rwtq
  • 3 Bar Speed Density w/ HP Tuners
  • Yes, this WAS an LS1 car!

1933 Willys
  • 350ci w/ TPIS MiniRam Intake Manifold
  • EFI Connection 24x Engine Harness
  • 700R4 Transmission
  • EFILive Speed Density COS3

1989 Trans Am GTA
  • 383ci w/ TPIS MiniRam Intake Manifold
  • Integrated Nitrous Control w/ EFILive COS5
  • 700R4 Transmission (Manual Lockup)
  • Plug-and-Play Engine Harness Build

1995 Trans Am

1998 Silverado K1500
  • 350ci GM Ram Jet 350 Crate Engine
  • Manual Transmission
  • Custom Coil Brackets
  • EFI Connection 24x Stand Alone Harness



Please contact us by email at sales@eficonnection.com or by phone, 814-566-0946, to discuss your project.
We look forward to working with you!



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