Sport Coupe hardtopBuilt pro-streetSouthern California
Bought in September 2026 and driven, not trailered: a 383 stroker with Gear Vendors overdrive, Heidts suspension at both ends, and a narrowed, mini-tubbed rear tucked under a stock-looking hardtop.
The Flowmaster exhaust has electric cutouts. Closed, it idles past the neighbors. Open, it's a 383 stroker with nothing in the way. Open is a recording of this car with the cutouts open. Closed is the same recording through a muffler model until it gets recorded closed.
Sound starts when you press the button, never on its own.
3.73 gears launch hard and buzz on the freeway. The Gear Vendors unit cuts the effective ratio to 2.91 when it's engaged. Slide the speed and see the difference.
Formula: mph × ratio × 336 ÷ tire diameter. Assumes the tire size you enter and no converter slip; a non-lockup TH350 will read a little higher on the tach.








The car is getting a small BLE node that speaks Gestura's Shared Semantic Protocol, so it behaves like any other Gestura device. The Haptica Harmony B1 ring sends gesture events, the node acts on the car, and the ring feels the confirmation. None of this is installed yet; this is the plan, in build order.
| You do | The car does | The ring feels |
|---|---|---|
| Double-tapFirst build | Exhaust cutouts open; double-tap again, they close. One relay beside the existing switch. | A single CONFIRM pulse. |
| Nothing, just driveFirst build | The node watches coolant temperature, oil pressure, and volts from the senders already in the dash. | A slow NOTIFY when coolant climbs in traffic; an ERROR pattern if oil pressure drops. No need to look down. |
| Set a shift RPM | The node counts tach pulses. | A haptic tick at your number, timed for the ratchet shifter. |
| Walk up, arm it | Fuel pump relay enables only with the bonded ring in range and armed; walk away and it disarms. A hidden bypass covers a dead ring battery. | CONFIRM on arm, a short NOTIFY on disarm. |
| Thumb-swipe | Gear Vendors overdrive engages or drops out. Touch gestures only while driving; no wrist flicks near the wheel. | CONFIRM on engage. |
| Say it | "Open the cutouts." "How hot is she running?" Voice through Gestura.app on the phone, which bridges to the node. | A silent confirm instead of a spoken one. |
Anything that can move the car, the fuel pump and overdrive circuits, only accepts commands from a bonded, trusted ring, and falls back to the stock switches if the node is off. The simulator drives the same protocol, so the loop can be demonstrated before the hardware is bolted in.