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1964-1967 Pontiac LeMans - LS Swap

The Tempest received a redesign in 1964 atop GM's new A-Body platform with the LeMans being an upgraded trim level for it. The Tempest LeMans could be equipped with Pontiac's 326 cubic inch V8. This pairing proved so popular that Pontiac would double down on the premise with the introduction of the GTO. If you prefer a more modern powerplant, our A-Body LS swap systems will get the job done.

Step 1: Engine and Transmission Mounts

  • Choose from Forward Position or Rearward Position of Motor Mounts
  • Forward Position works best with Late Model Transmissions (i.e. T56, 4L60E through 4L80E)
  • Rearward Position works best with Classic Transmissions (i.e. 200R4 & TH400)
  • Crossmember Works with Both Style Motor Mounts
  • Crossmember Spacers are needed with Some Transmission Options
Shop Mounts and Crossmembers

Step 2: Oil Pans

  • Factory oil pans don't fit or they hang too low on engine swaps
  • Engine swap oil pans provide maximum clearance to the chassis and ground
  • OE (Original Equipment) style fitment for durability, strength, and proper sealing
  • Choose from natural aluminum casting, carbon black ceramic finish, or fabricated sheetmetal depending on the application
  • Complete kit with sump baffle, OE style pickup, drain plug, oil filter stud, and oil passage cover
Shop Engine Swap Oil Pans

Step 3: Headers and Exhaust

  • Choose from Long-Tube or Mid-Length Headers or Cast Iron Exhaust Manifolds
  • Headers are Available w/ 1-3/4" or 1-7/8" Primary Tubes & 3" Collectors
  • Exhaust Manifolds have 2-1/4" or 2-1/2" Collectors
  • Choose from 2-1/2" or 3" Dual Exhaust Systems
  • 304 Stainless Steel Construction - for Corrosion Resistance and Long Life
  • Adapters are Available to Connect Headers (Mid-Length or Long Tube) & Exhaust Manifolds to the Exhaust System
Shop Exhaust

Step 4: Fuel Tanks

  • Eliminate Rust & Dirt with a New Fuel Tank
  • Factory Style Fuel Tanks with In-Tank EFI Fuel Module
  • EFI Fuel Pump Modules are Also Available Separately - Fits Inside Stock Tank
Shop Fuel Tanks

Step 5: Radiators

  • 100% TIG welded (brazed) seams
  • Billet Aluminum Filler Neck and OEM style Brass Petcock
  • Polished top and tanks for custom show appearance
Shop GM LS Engine Swap Radiators

Step 6: Accessory Drives

  • Choose from High Mount, Low Mount, or Mid Mount Accessory Drive Kits
  • Choose from Natural Aluminum, Black, or Polished Finish
  • Bracket Kits - Allow Reuse of Factory Components (High Mount & Low Mount)
Shop LS and LT Accessory Drives

Step 7: Terminator X and X Max

  • Standalone Plug and Play Engine Control for GM LS Engines
  • Terminator X Features Real-Time Fuel Learn, High Impedance Injector Drivers, Integrated 1bar MAP Sensor & 4 Programmable Inputs and Outputs
  • Terminator X Max - also Controls GM Automatic Transmission (4L60/4L65/4L70/4L75/4L80/4L85)
  • Inputs & Outputs Are Ideal for Electric Fans, Boost Control Solenoids, Progressive Nitrous Control & More
Shop Terminator X and X Max LS Kits

Step 8: Universal LS Swap Parts

  • Find Your Parts
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