1974 Alfa Romeo Spider

The car

1974 Alfa Romeo Spider 2000 (115 series), originally SPICA mechanical injection
Driven for a few years as stock, restomod began ~2024
First EFI drive: around 30 May 2025
Dyno day: 14 August 2026, supercharged, achieved 2 psi (running a huge testing pulley - watch this space!)

The first start

Haltech Elite 1000 ECU, tuned by me. Originally V-E MAP tuned, went with V-E Alpha-N + corrections once the supercharger came up (ITBs made MAP tuning hard...)
Low comp JE Pistons 8.5:1 for the extra margin, medium cams, oversized valves.
LS2 coils
Custom crank (reluctor) and cam (hall effect replacing dizzy) pickups.
TwinSpark pulley retrofit (custom machined front housing) for reluctor pickup. The AC ribbed pulley drives the supercharger.
Deka 107961 injectors (62 lb/hr), fitted to the original SPICA injector bores with sleeves turned on the lathe + TIG to original manifold.
Supercharger (ProCharger C-1)... because roots are overdone and turbos don't feel right for this kind of car (she wants to give instant feedback).
Intake manifold, it had three generations: sheet metal from SendCutSend (Dec 2024, my design wasn't good) → a PA12-CF version (Jul 2025, monolithic design with tuned bellmouths) → v3 printed in aluminum with ITB bellmouths and FEA in FreeCAD (May 2026, craftcloud)

Dyno day, 14 August 2026

Supercapacitor bank for starting
USB shore power keeps the supercap or the main battery topped up (I drive her often, so rarely needed)
120V from a built-in inverter with in-dash fault monitoring
Alternator relocated to SPICA pump's position on a custom bracket, cut by SendCutSend (Aug 2025). Supercharger is in original alternator position.
Alternator monitored through its tach signal: belt slip (drive ratio) and lost belt (which also means no water pump) are caught as audio-visual warnings
PWM controlled fan, with a manual override switch on the dash
LiFePo battery in the trunk.
USB-C PD outlet, even capable of powering a laptop.

Aviation intercom built in, with two David Clark headsets
Android Auto head unit integrated with the gauge pod (it works through the intercom); controls reverse engineered and integrated into the dash/CANBUS control.
Lightweight class-D amp and loudspeakers

Continuous monitoring of 50 channels (all of them can be charted live on the dash and logged over BLE)
Aviation-style master caution and master warning lamps, with a pilot acknowledge switch
Master warning and caution cover everything being watched, from oil, fuel and coolant pressure, coolant flow, belt slip, brakes, battery and the starter's charging, to the ECU's own check-engine and engine protection
Boeing cockpit sounds are the primary alerting system, tied to the real monitoring: "whoop whoop"/ warning tones
Condition-dependent monitoring (critical oil pressure is judged vs. temperature, for example)
25 dash messages plus the Haltech's ~630 DTCs, listed in priority order on a messages page with history
Cheeky SFX like Master Chief shield noises when the starter cap is low and when it has recharged
Service tracking for engine oil and supercharger oil (hours, miles)
Live range estimation based on ECU fuel flow + calibrated fuel sensor.

Rollcage + 3 point street belts.
Fire extinguisher
LED headlights, properly aimed.
TPMS with audible alarm.
Watchdog timers on all critical systems.
Loud-ass horn.
Coolant pressure monitoring/warning.
DRL modification.
Complete rewire of all systems using modern fuses + new harnesses and distribution blocks.

Headlights

Three places to look and touch: the main screen in the center, the gauge pod, and the center console
Main screen: a 256×48 VFD. Pages for live charts, messages, trip computer (MPG, leg distance, time, fuel used, estimated range), calculator, service, music, home automation
All interaction is performed with a keypad (located where the ashtray was) or physical button.
Original and salvaged analog gauges driven digitally for critical stuff (lambda, oil pressure, temperature, EGTs)
Lavetta, an animated character who reacts to what the car is doing (parked, warming up, cruising, low fuel, corners, hard braking, flooring it...)
Gauge pod: Original speedo replaced with higher density digital displays. 7-segment spoodo, master caution and warning lamps, turn signals, analog fuel meter, android auto screen.
Center console: keypad, illuminated Mission-control-style switches with feedback (hazards, cabin fan, engine fan status and control, AC bus state)
Security PIN and kill switch
Attract mode for car shows

Booting up (early version)

Lavetta, check engine

Attract mode, for car shows

Boot-up, with sound

Four hand built body modules plus a thermocouple bridge, talking over a 1 Mbps CAN bus shared with the Haltech
Dash (ESP32), gauge pod (ATmega328P), center console (ATmega2560)
EGT bridge: four thermocouples galvanically isolated, BME680 (ambient temperature, humidity, air quality, pressure altitude), real-time clock, fuel level; presents itself to the ECU as a Haltech IO box
Onboard debugging tools and crash dump viewer.

Web Bluetooth live view to monitor and log the car. Go to Session -> Demo Stream to test it out!
Home Assistant integration! Can turn on my porch lights from the dash, etc.

Opening the garage door from the dash