How to Use a GM TPI MegaSquirt Adapter Board

If you haven’t already, please read the ‘disclaimer’ at the top of the parent page here. Updated 6/16/2008 Note: This board has been discontinued. We are keeping this page up for legacy support. What does this board do? Marc Piccioni’s  new TPI adapter board works with 1986 to 1989 Corvettes, Firebirds, and Camaros with the…

MegaSquirt-III MS3X Expansion Card & Connector Kit

SKU: MS3Xpander

Put this small circuit board in your MegaSquirt-III to unlock its full potential! This board installs in the MS3 case with no soldering; just connect it with the included ribbon cables. Install the MS3X board to add this whole list of inputs and outputs to the MS3 ECU: 8 Sequential fuel injection outputs. Each can…

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MS3Pro Ultimate Standalone Engine Management System w/ Harness

SKU: MS3V-U_PKG

Includes complete Universal 8′ Flying Lead Harness

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Ford Mustang 5.0 1994-1995 SN95 MS3Pro PNP Plug and Play ECU

SKU: MSPNPPro-EEC4B8

The NEW SN95 Ford Mustang MS3Pro PNP ECU Plug and Play Standalone Engine Management System is compatible with the following: 1994-1995 Ford Mustang 5.0 with manual transmissions! Easy to Use and Install!    MegaSquirt MS3Pro Plug and Play/PNP ECU for the 1994 & 1995 SN95 Ford Mustang Features: Fully Plug and Play Installation – No wiring…

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Ford Foxbody Mustang 5.0 1986-1993 MS3Pro PNP Plug and Play ECU

SKU: MSPNPPro-EEC4A8

ECU is currently on Backorder. We expect to continue to ship this ECU by June 14th, 2024 at the latest.

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MS3Pro ULTIMATE Standalone EMS – ECU Only

SKU: MS3V-U

Experience the MS3Pro ULTIMATE by AMP EFI, featured in Street Outlaws No Prep Kings contestant, The Hulk. MS3Pro ULTIMATE by AMP EFI brings NEXT LEVEL capability to MS3Pro’s staggering feature set beginning with a new high quality aluminum IP65 rated, water resistant enclosure.  MS3Pro ULTIMATE by AMP EFI provides 10 programmable peak and hold injector channels for driving…

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MegaSquirt-3 with PCB V3.0 Kit

SKU: MS330-K

Included is a MegaSquirt-III Engine Management System w/PCB3.0 – Unassembled Kit Part # MS330-K This MS330-K kit includes everything you will need to build your MegaSquirt-3. The genuine B&G partial kit with V3.0 PCB, everything in the standard Bill Of Materials, the MS3 daughter board kit, the case, pre-machined endplates and heatsink bar, even the…

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GM Open Element IAT Sensor with Connector

SKU: IATwConn

These are the proper GM-style sensors for use with the MegaSquirt line of ECUs and come with the weatherproof connector and crimp pins.  One extra crimp pin is included as a spare.  The threads are 3/8″ NPT pipe thread – note that isn’t an actual 3/8″ outer diameter but a pipe thread size based on…

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DIYPNP Documentation for 1985-1989 Toyota MR2

1985-1989 Toyota MR2 (AW11) USDM 4AGE MT Test Vehicle Details: The vehicle used for drawing up these application docs was a 58K original mile USDM 1986 Toyota MR2 with 4AGE Motor.  All factory electronics/ignition system components are in place and the factory wiring harness is in perfect condition.  This car has been turbocharged, the injectors…

DIYPNP Documentation for 1985-1989 Toyota Corolla

1985-1989 Toyota Corolla (AE82 FX16, AE86, and AE92) USDM 4AGE MT   Test Vehicle Details: The vehicle used for drawing up these application docs was a 58K original mile USDM 1986 Toyota MR2 with 4AGE Motor.  No it wasn’t a Corolla, but the motor and wiring harness are identical making it a good test vehicle. …