The build sheets
2023 C8 Corvette · Track Spec
Everything bolted on, welded in, or fabricated for pace. Updated as the build evolved.
Aerodynamics Bought · Built · For Sale
- AJ Hartman C8 Splitter Kit Bought Carbon-fiber front splitter with profiled underside. ajhartmanaero.com
- GT4 Wing Bought High-downforce wing for Thunderhill and Laguna pace.
- Verus Carbon Rear Diffuser Bought Verus Engineering A0422A full-carbon rear diffuser, the roughly $2k piece. Keeps the rear planted on high-speed sweepers. verus-engineering.com
- Custom Splitter Endplates Built For Sale Endplates and mounting designed for the AJ Hartman splitter. Get the STL · Buy the pair
- Splitter Diffuser Built For Sale "Baby diffuser" design extending the AJ Hartman splitter underbody. Get the STL
- Front Brake Duct Blockers Built For Sale Blanking plates from my front brake-duct setup. Use depends on your brake-temperature data; no measured drag, downforce, or braking benefit is claimed. Get the STL
- Control Arm Ventilation Strakes Built Verus Engineering design, printed in-house. Original Verus product Get the free unfinished STL
Brakes Stopping Power
- AP Racing BBK Bought 6-piston front kit with floating rotors for repeatable pedal feel.
- Racing Pads Bought Track compound matched to rotor temps.
- Stainless Lines Bought Full kit to lock pedal travel even when fluid is boiling.
- Front Brake Rotor Temp Bracket Built Printed bracket with M5 threaded inserts. Holds an IR/temp sensor at the rotor for track-day brake-temp data. STL on request · email me
Suspension Grip & Balance
- Penske 8300 Coilovers Bought Two-way adjustable, GSpeed C8 kit with remote reservoirs.
- Swift / Eibach Springs Bought Swift front, Eibach rear on the Penskes, with spare front rates to tune balance.
- aFe CONTROL Adjustable Sway Bars Bought Front and rear with quick-change settings for different tracks, on Eibach end links.
- AMT Motorsport Camber Kit Bought Locking camber plates that replace the slip-prone factory eccentrics. -3.5° up front to keep the fronts alive. amtmotorsport.com
Safety Strap In
- Paragon Performance Harness Bar Bought Bolt-in bar behind the seats to factory hard points, no welding or drilling.
- Driver Seat · OMP WRC-R Bought FIA fiberglass shell on AMT Motorsport ultra-low mounts with the sub-belt cross bar.
- Passenger Seat · Sparco QRT Performance Bought FIA shell on a Planted floor bracket, with a Paragon lap-belt bracket.
- 6-Point Harnesses Bought FIA-dated OMP FIRST harnesses, both seats.
- Fire Extinguisher Bought 2.5 lb bottle within reach of the driver. For car fires, get a bottle rated for fuel and electrical fires (Class B and C) with a metal head and a gauge: a Halotron clean agent if you want to save the engine bay, ABC dry-chem if you just want the fire out. Skip the plastic-head hardware-store bottles.
- Custom Fire Extinguisher Mount Built For Sale Premium Self-fabricated aluminum mount under the driver seat, laser cut via SendCutSend, secured with a quick-release pin. STL alternative for budget builds. Buy assembled · Get the STL
Wheels & Tires Contact Patch
- Wheels Bought A rotation of forged sets: Apex VS-5RS 18s, Apex SM-10s, and staggered BC Forged RZ10 19s.
- Tires Bought Bridgestone Potenza RE-71RS, the favorite combo: 275 front, 285 rear on the last set.
Engine & Exhaust Sound & Flow
- Corsa Sport Cats Bought High-flow catalysts for the LT2.
- 2M Fab Long-Tube Headers Bought Mid-range torque and tone. 2mheaders.com
- Paragon Stainless Catback Bought Stainless cat-back, wakes up the LT2 above 5k rpm. Highly recommended.
- Soler Throttle Controller Bought Bought mostly for its throttle-off mode: park at a remote track with the throttle disabled and the car is a much harder target to steal.
- DCT Park Release Tool Built For Sale Handheld machined tool for the DCT manual park release. Releases the park pawl only; does not release the electric parking brake. Must be held by hand while the car moves, with two people following the manual procedure. Does not latch. See the tool
- DCT Service Kit Built 3D printed organizer box plus every tool needed to access the DCT: T15 stubby ratchet driver, magnet pickup, trim removal tools.
Data & Telemetry Numbers Tell the Truth
- AIM XLog Data Logger Bought Primary logger. Wired into the C8's analog and CAN signals for full-spectrum capture.
- XLog Magnetic Mount Built For Sale 3D printed XLog cradle with a stick-on magnet base plate. Sold as STL files or a printed kit with magnets; logger excluded. Get the STL · Buy the kit
- AIM Solo2 DL Mount Built For Sale 3D printable mount for the Solo2 DL. (No longer running Solo2 myself, the file still works.) Get the STL
- TeamPlus TPMS + CANgate Bought Live TPMS feed routed through the CANgate gateway into the car's data bus.
- CANgate Screen Holder Built For Sale 3D printed cradle for the CANgate display. Positioned toward the driver’s eye line. Get the STL
- Telemetry-to-XLog Wiring Built Custom analog and digital wiring tapping selected C8 sensors directly into the XLog.
- C8 CAN Bus DBC Pack Built For Sale Premium AiM Solo 2 DL v2 configuration and custom protocol from my C8/CANgate setup, plus CANgate sensor DBC references. Digital files only. See the exact manifest and compatibility limits; fresh import and live-channel validation are not established for this release. Get the DBC pack
Audio · Video · Comms Capture the Run
- Rear-Mounted Exhaust Mic + Plate Cam Built Microphone wired through the engine bay to the rear license-plate area paired with a rearview camera. Clean exhaust audio piped straight into the camera's audio/video input.
2021 718 Cayman GT4 · Round Two
Bought June 2026. The build as it sits, split by component.
Suspension Grip & Balance
- Swift Springs 440 lb/in front, 420 rear on the stock PASM dampers. Front stiffer than rear, rotation biased on purpose.
- DSC Sport Controller Keeps the OEM PASM dampers, replaces the algorithm. Tames the loose rear.
Wheels & Tires Contact Patch
- Forgeline Wheels 19x10.5 front, 19x11 rear.
- Hoosier Track Attack Pro 265 front, 305 rear. R-comp.
Brakes Stopping Power
- Paragon Brakes Ferodo DS1.11 pads on Paragon steel rotors.
Electrical Weight Off the Nose
- Antigravity H6-60 Lithium True 60 Ah, roughly 27 lb saved.
Data & Telemetry Numbers Tell the Truth
- CAN Tap + Lap Logging Drive CAN tap in the footwell, lap timing, the same decode first approach as the C8.
- Race TPMS Coming soon.
Safety Strap In
- Fire Extinguisher Mount Halotron bottle on a proper metal mount.
Have a part question? Email [email protected]