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MegaSquirt 1

MegaSquirt 1 (MS1) offers a cost effective entry level to the aftermarket ECU market. Coupled with an EDIS module, the MegaSquirt 1 V2.2 offered excellent value for money mappable spark and fuel. For direct coil control (non-EDIS) the MegaSquirt 1 V3.0 is still a cheap and simple ECU. As expected MegaSquirt 1 lacks many of the features of the newer ECUs. Few OEM wheel patterns are supported, temperature sensor and wideband calibration is more tricky and there are fewer diagnostics. All features require DIY modifications to the circuit board.

If you’re looking for more full featured engine management systems we suggest you look at our MegaSquirt 2 and MegaSquirt 3 kits which provide many more features but maintain an affordable price point for total fuel injection and ignition tuning.

Showing 1–10 of 23 results

  • MS130-K Kit with MapDaddy4 Upgrade

    $274.00

    MS130-K kit with MapDaddy4 upgrade.  Just like the regular MS1 V3.0 kit, but we've replaced the 2.5 bar MAP sensor with the MapDaddy4 to let you read up to 44 psi of boost instead of 21 psi.

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  • MegaSquirt-I Programmable EFI System PCB3.0 – Kit

    $219.00

    Part # MS130-K; MegaSquirt-I Programmable EFI System with V3.0 main board - Unassembled Kit with Black CaseThe MS130-K kit includes everything you will need to build your MegaSquirt ECU. The genuine B&G partial kit with PCB3.0, the Bill Of Materia...

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  • MegaSquirt-I Programmable EFI System PCB2.2 – Kit

    $169.00

    MegaSquirt-I with V2.2 Main BoardMegaSquirt programmable EFI Engine Management System from Bowling and Grippo. Install fuel injection on anything from a single cylinder lawnmower engine to a fire breathing V12, and anything in between! This kit is eas...

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  • MegaSquirt Relay Board – Unassembled Kit

    $73.00

    MegaSquirt Relay Board - UnAssembled Kit Part # MSRelay-KIncludes everything you will need to build your MegaSquirt Relay Board, complete with black anodized case.Though the Relay/Power Board is not required, it is a convenience and reduces the ch...

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  • MegaSquirt Relay Board – Assembled Unit

    $99.00

    MegaSquirt Relay Board - Assembled Unit - Part# MSRelay-CThough the Relay/Power Board is not required, it is a convenience and can reduce the chance of miswiring during the installation. The relay board provides a central place for all of the required...

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  • 10′ MegaSquirt Wiring Harness (MS1/MS2/MS3 Ready)

    $79.00

    MegaSquirt Wiring Harness - 10 Feet LongWe've completely redesigned our wire harness to help you get your fuel injection installation right the first time with several new features to help make your installation as easy and reliable as possible:...

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  • MegaSquirt Relay Cable

    $85.00

    High Quality 4' Relay Board cable for connecting your MegaSquirt ECU to your Relay Board.Works with MS1, MS2, or MS3, all standard main boards (includes not just the IAC and ignition pins - it also has the spare pins on 3 through 6). It has a shielded...

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  • JimStim v1.5 MegaSquirt Stimulator with Wheel Simulator – Unassembled

    $59.00

    Use this board to test the MegaSquirt's inputs and outputs on the bench, before you install it on a car!The JimStim features a microcontroller which allows the simulation of up to 30 different toothed wheels, in addition to the standard distributor s...

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  • MegaSquirt Stimulator v2.2 – Assembled Unit

    $69.00

    MegaSquirt Stimulator Board v2.2 - Assembled Unit Part # MSStim22-C(For all versions of the MegaSquirt, PCB 2.2, 3.0, and the newer surface mount 3.57 boards)The Stimulator board allows you to fully bench-test all standard inputs and outputs on yo...

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  • MegaSquirt Tuning Cable (DB9 Straight Thru)

    $5.50

    DB9 6' Male/Female Straight thru cable for tuning and testing your MegaSquirt ECU.

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