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1973-1975 Buick Apollo - LT Swap

The age-old equation of "Big Engine + Small Car = Big Fun" applies here. The X-Body is a lightweight package just aching for an extra 2-300 horsepower, and there's no better way to deliver that than with a Gen V GM LT engine. Make your swap a bolt-in affair with our platform-engineered swap systems.

Step 1: Engine and Transmission Mounts

  • Mount the GM Gen-V LT Engine in your 1968-1974 GM X-Body
  • Transmission Crossmember Options: 4L60E, 4L65E, 4L70E, 4L75E, 4L80E, 4L85E, 200R4, 700R4, Powerglide, T56, T56 Magnum, TH350, or TH400
  • Designed For Use w/ Swap Oil Pans, Headers, and Exhaust Systems Designed for This Application
  • Easy Bolt-in Installation of Your Engine
Shop Mounts and Crossmembers

Step 2: Oil Pans

  • The Factory Gen-V LT Oil Pans Don't Fit or Hang Too Low on an Engine Swap
  • LT Retro-Fit Pans Provide Maximum Clearance to the Chassis & Ground
  • OE (Original Equipment) Style Fitment for Durability, Strength, and Proper Sealing
  • Choose from Standard Baffle, Drag Race Baffle, or Optional Road Race Baffle
  • Complete Kit w/ Sump Baffle, OE Style Pickup & Sump Plug
Shop Engine Swap Oil Pans

Step 3: Headers and Exhaust

  • Choose from Full Length or Mid-Length Headers
  • Stainless and Mild Steel Material with a Variety of Finishes
  • Long Tube Headers are Direct Fit to Exhaust Systems
  • Choose from 2.5" or 3.0" Dual Exhaust
  • Mid-Length Adapters & Reducers to Complete the System
Shop Exhaust

Step 4: EFI Fuel Tanks

  • EFI Fuel Tanks Come with High Pressure Internal Fuel Pump
  • Eliminate Rust and Dirt with a New Fuel Tank
  • EFI Fuel Pump Module - Also Available Separately - Fits Inside Stock Fuel Tank
Shop Fuel Tanks

Step 5: Accessory Drives

  • Choose from Mid-Mount, High Mount, or Low Mount Accessory Drive Systems for Your Gen-V LT Engine
  • Choose from Natural Aluminum, Black, or Polished Finish
  • Power Steering Add-on Kits - Add Power Steering to the Factory Accessory Drive System
  • Alternator Relocation Kits - Provide Extra Clearance with the Factory Accessory Drive System
  • Race Mid-Mount Accessory Drive Systems Eliminate Air Conditioning or Air Conditioning & Power Steering
  • Bracket Kits - Allow Reuse of Factory Components (High Mount)
Shop GM Gen V LT

Step 6: Terminator X and X Max

  • Standalone Plug and play GM Gen V LT engine control including GDI and VVT support
  • Ideal for swapping late model GM Gen V LT engines into vintage vehicles
  • GM LT Drive-by Wire Throttle Body Control (Terminator X Max Only)
  • Built in 1bar MAP Sensor, vacuum hose adapters included (1/8th – ¼ and 3/16ths) - or for Boosted applications, you can disable the internal MAP sensor, and utilize an external LT MAP Sensor, the harness comes with the connector terminated, making the installation a snap
  • Terminator X Max - also Controls GM Automatic Transmission (4L60/4L80)
  • 4 Inputs – 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake (Fuel and Oil Pressure Inputs are pre-terminated)
  • Inputs & Outputs Are Ideal for Electric Fans, Boost Control Solenoids, Progressive Nitrous Control & More
Shop Terminator X and X Max Gen V LT Direct Injection Kits

Step 7: Universal LT Swap Parts

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