One Eyed Willys

Welcome to OneEyedWillys—your ultimate destination for off-road adrenaline and precision restorations. Here, we share every bolt-on mod, wrench-turning tip, and behind-the-scenes look at our most ambitious builds. Whether you’re chasing mud-splattered thrills or breathing new life into a vintage classic, you’ll find inspiration, step-by-step guides, and a community that lives for high-performance and heritage craftsmanship. Let’s gear up and build something legendary together.

🔧 One-Eyed Willys Grand National Build Overview

Base Vehicle:
1987 Buick Grand National

Engine:

  • Buick 3.8L V6, bored .030″ over
  • 212/212 camshaft
  • GN1 Aluminum cylinder heads and intake manifold
  • 72mm throttle body
  • Bosch 210 lb/hr injectors
  • E85 fuel system

Turbo System:

  • WORK Turbocharger
  • Compressor: 72mm
  • Turbine: 76mm x 68mm, 9-blade Inconel
  • Garrett ball bearing CHRA
  • Buick 3-bolt .85 A/R turbine housing
  • 4″ inlet / 3″ outlet
  • Fully ball bearing and water-cooled

Induction & Cooling:

  • Air-to-water intercooler setup
  • 4″ cold air intake
  • Custom charge piping

Engine Management:

  • FuelTech standalone FT550 ECU (FTManager v5.40)
  • Wideband O2 integration (FuelTech WB-O2 Nano)
  • Boost control via mac valve and 3-step/launch strategy
  • Fully mapped timing and fuel tables
  • Anti-lag and transbrake features enabled

Fuel System:

  • 100% E85 compatible
  • FuelTech integrated flex-fuel strategy
  • Ethanol content averaging ~70%
  • Custom fuel maps for cold start, enrichment, and launch

Launch Control & Drivetrain:

  • Transbrake launch with 2-step rev limiter
  • Custom ignition retard for spool control
  • Wastegate RPM/boost control strategy tailored for drag use

Performance Estimates:

We shall see

Buttoning up my dads unfinished project

After nearly ten years of tinkering on and off its on the road!

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