compiled directly from the Powertune Australia build receipts shown in image.png and image_2.png.
This build is incredibly serious featuring a standalone MoTeC ECU system, a fully built head, upgraded fueling, a heavy-duty drivetrain, and top tier suspension. It’s a turn key hillclimb or time attack weapon that remains street-capable.
🏁 For Sale: Ultimate Spec Toyota GR Yaris (Built by Powertune Australia)
Overview
Up for sale is an incredibly well-built, no-expense-spared Toyota GR Yaris. Professionally built and tuned by the experts at Powertune Australia, this car was specifically engineered for ultimate reliability and maximum performance (categorized under their "Hillclimb Powerup" package).
Featuring a fully built head with Kelford internals, a standalone MoTeC M142 ECU with custom flex-fuel tuning, a complete heavy-duty fuel surge tank setup, and upgraded mechanical differentials, this GR Yaris solves every factory bottleneck. Over $40,000+ AUD in premium parts and professional labor have been invested into making this one of the most capable GR Yaris builds on the market.
🛠️ Comprehensive Modification & Spec Sheet
💻 Electronics & Engine Management (Standalone MoTeC Setup)
ECU : MoTeC M142 Toyota GR Yaris 2020 Kit (Fully Enabled + Licensed)
Display : MoTeC C125 Race Logging Kit (Enabled with 128M Log) housed in a custom GR Yaris Dash Surround / Steering Mount
Control : MoTeC 8-Button CAN Keypad (2x4 Horizontal layout with custom labels and dedicated wiring harness)
Data/Tuning : MoTeC Toyota GR Yaris Diff Loom, Bosch LSU 4.9 Wideband Lambda Sensor to CAN setup, 4 Bar MAP Sensor with DTM adaptor harness.
⚙️ Engine Upgrades (Built Head & Internals)
Camshafts : Kelford Cams Toyota G16E-GTS GR Yaris (276^{\circ}/286^{\circ} duration, 11.50mm lift)
Valve train : Kelford Toyota GR Yaris G16E-GTS Valve Springs, Bases, and Titanium Retainers
forged internals
Head Studs : Heavy-duty GR Yaris H13 Head Stud Kit
🌪️ Induction, Cooling & Exhaust
Intercooler : Hypertune Bolt-On Intercooler Kit (Optimized for GR Yaris/GR Corolla)
Intake : MST Performance Toyota 2020+ GR Yaris 1.6L Cold Air Intake System
Exhaust : Full Turbo-Back Complete Stainless Steel Exhaust System (4.5" \rightarrow 3" \rightarrow \text{Twin } 2.5") with a 3.5" polished tip finish.
⛽ Fueling System (Flex-Fuel Ready)
Injectors : Deatschwerks 1100cc Flow-Matched Injector Set
Surge Tank : Custom Surge Tank setup including secondary fuel pump, lines, and fittings (Engineered to prevent fuel starvation during high-G cornering)
Tuning : Professionally Dyno-tuned via MoTeC M142 for Flex-Fuel compatibility
⛓️ Drivetrain & Transmission
Clutch : ATS Twin-Plate Clutch (Metal Type, rated for 1,100kg)
Flywheel : AR203-2801 Flywheel Bolt Kit
Differential : Upgraded Cusco front and rear 1.5 way Mechanical LSD for maximum corner-exit traction
🏁 Suspension, Brakes & Handling
Suspension : Premium MCA Suspension Setup (Custom valved/sprung coilovers)
Geometry : Custom motorsport-focused Wheel Alignment
Handbrake : Custom Hydraulic Handbrake Setup (Perfect for tight hairpins/hillclimbs)
Brakes : Ferodo DS2500 High-Performance Brake Pads (Front & Rear)
Brake Lines : Good ridge Braided Brake Line Kit
📝 Seller's Note (Optional addition for your ad)
This car handles beautifully and puts down the power flawlessly thanks to the Cusco rear diff and MCA suspension. The MoTeC dash and keypad make it feel like a legitimate TCR race car from the driver's seat. All fluids have been meticulously maintained using Penrite 10 Tenths Racing oil. Receipts can be provided to serious buyers. No lowballers or joyriders.
