AMP Wire-In Standalone ECU Comparison

MS3Pro Mini vs AMP Competition vs MS3Pro EVO+ vs EVO+ HC

Choosing a wire‑in standalone ECU isn’t about “best overall” — it’s about what matches your engine, your ignition hardware (smart vs dumb coils), and whether you’re running sequential COP or wasted spark. This comparison page helps you choose the right AMP wire‑in ECU with confidence.

Quick Picks

  • Need the smallest ECU? MS3Pro Mini
  • Want 8×8 sequential + integrated Bosch LSU 4.9 wideband + Stepper IAC? AMP Competition ECU
  • Need all the IO? MS3Pro EVO+
  • Running dumb coils and want direct‑drive (no igniters)? MS3Pro EVO+ HC

Jump to: ECU Options | Comparison Chart | How to Choose | FAQ


Compare the 4 Wire‑In ECUs

MS3Pro Mini wire-in standalone ECU

MS3Pro Mini

Compact wire‑in ECU for up to 8 cylinders — ideal when space is tight.

  • 8 Injector Outputs
  • 4 Logic‑level Spark Outputs
  • 4‑Bar MAP + Baro sensing
  • SD logging + CAN / RS232
  • Read Mini guide →

 Shop MS3Pro Mini →

AMP Competition ECU wire-in standalone ECU

AMP Competition ECU

8×8 sequential with integrated wideband + Stepper IAC — same size as Mini 

  • 8×8 Sequential Fuel & Spark
  • Integrated Bosch LSU 4.9 Wideband
  • Stepper Idle Support (IAC)
  • SD logging (64ch @ 330Hz) + CAN
  • Read Competition guide →

 Shop Competition ECU →

MS3Pro EVO+ wire-in standalone ECU logic-level

MS3Pro EVO+ (Logic‑Level)

Maximum I/O + smart‑coil friendly logic outputs — for complex builds.

  • Up to 12 Sequential Injectors
  • Up to 10 Logic‑level Spark Outputs
  • 92‑pin / 3× AMPSEAL harnessing
  • SD logging (64ch @ 330Hz) + CAN
  • Read EVO+ guide →

 Shop MS3Pro EVO+ →

MS3Pro EVO+ HC wire-in standalone ECU high current direct drive

MS3Pro EVO+ HC (High Current)

Direct‑drive ignition outputs for dumb coils — no external igniters required.

  • Up to 12 Sequential Injectors
  • 8 High‑current Direct‑drive Spark Outputs
  • 92‑pin / 3× AMPSEAL harnessing
  • SD logging (64ch @ 330Hz) + CAN
  • Read EVO+ / HC guide →

 Shop EVO+ HC →


Wire‑In ECU Comparison Chart

This chart is designed to fit the page without horizontal scrolling by keeping each cell short and breaking details into more rows. If you’re comparing for ignition strategy (sequential vs wasted spark), pay special attention to Spark Outputs and Output Type.

Feature Mini Competition EVO+ EVO+ HC
Fuel & Ignition
Injector Outputs 8 8 Up to 12 Up to 12
Spark Outputs 4 8 Up to 10 8
Ignition Output Type Logic (smart) Logic (smart) Logic (smart) High current (dumb)
Sensors & Wideband
Onboard MAP Sensor 4‑Bar 4‑Bar 4‑Bar 4‑Bar
Onboard Baro Sensor Yes Yes Yes Yes
Integrated Wideband YesLSU 4.9
Idle Valve Support
PWM Idle Valve Yes Yes Yes Yes
Stepper Idle Valve No Yes Yes Yes
Logging & Connectivity
Onboard Logging SD SD SD SD
Channels and Freq 64ch @ 330Hz 64ch @ 330Hz 64ch @ 330Hz 64ch @ 330Hz
CANbus Yes Yes Yes Yes
Serial / RS232 RS232 RS232 USB/Serial USB/Serial
I/O Breakdown
Analog Inputs 7 8 12 12
Digital Inputs 4 7 15 15
Speed Inputs 8 11 11
Conditioned Knock Inputs 2 2
PWM Outputs 2 (+ unused IO) 9 (+unused IO) 21 (+unused IO) 21 (+unused IO)
Digital Outputs 2 (+ unused IO) 9 (+unused IO) 21 (+unused IO) 21 (+unused IO)

Notes: Not all IO can be used at the same time. Unused Injectors and Spark can be used as digital and PWM outputs.


How to Choose the Right Wire‑In ECU

1) Start with coils: smart vs dumb

  • Smart coils (built‑in igniters) → choose a logic‑level ECU (Mini, Competition, or EVO+).
  • Dumb coils (no igniters) → if you want to eliminate external igniters/modules, choose EVO+ HC (direct‑drive).

2) Choose your ignition strategy: Sequential COP vs Wasted Spark / Distributor

  • Sequential COP (one coil per cylinder): Choose an ECU with enough spark outputs for your cylinder count.
    • 4‑cyl sequential COP → Mini, Competition, EVO+, or EVO+ HC (choose based on coil type and features)
    • V8 sequential COP (8 coils) → Competition, EVO+, or EVO+ HC
  • Wasted spark / distributor: You can run more cylinders with fewer spark outputs. Example: a V8 wasted‑spark setup typically uses 4 spark outputs — this is where MS3Pro Mini is commonly a strong fit if space and simplicity matter.

3) Decide if you want integrated wideband + Stepper IAC in the ECU

  • If you want integrated Bosch wideband control and Stepper idle support in the same ECU, choose AMP Competition ECU.

4) Decide how much I/O you need (now and later)

  • If you expect to add more sensors and motorsports strategies (boost by gear, traction, wheel speed, extra outputs), the EVO+ platform is designed for that depth.
  • If your build is simpler or space-constrained, the Competition keeps it compact while still delivering real standalone control.

Frequently Asked Questions

What’s the difference between EVO+ and EVO+ HC?

Same EVO+ platform and I/O — the difference is ignition output type: EVO+ is logic‑level for smart coils/external igniters, and EVO+ HC is high current direct‑drive for dumb coils.

What does “logic‑level” mean?

Logic‑level spark outputs provide a 0–5V trigger to smart coils (coils with built‑in igniters) or to an external ignition module.

What does “direct‑drive” (high current) mean?

Direct‑drive means the ECU includes ignition drivers to supply coil current to dumb coils, reducing the need for external igniters/modules.

Which ECU has integrated wideband control?

The AMP Competition ECU includes integrated Bosch LSU 4.9 wideband control.


Still Not Sure Which ECU You Need?

Tell us your engine, cylinder count, crank/cam trigger type, and whether your coils are smart or dumb — and we’ll point you to the cleanest ECU choice for your goals.

Contact AMP for ECU Selection Help →