Search Results for: crank sensor
How to MegaSquirt Your 4G63 Powered DSM (Eclipse/Talon/Laser)
Please read the ‘disclaimer’ at the top of the parent page here. This documentation is for using the MS1/Extra firmware version 029v or later, MS2/Extra 3.3.1 or later, and MS3 1.2.4 and later. Tach Input Background: Crank Angle Sensor (CAS) Wheel in the 1G DSM This article was originally based on the 1st gen…
Read MoreTechnical Articles
MegaSquirt Information And Technical Help Note — these are here to help guide you and provide information. As with anything involving electronics, computers, and cars bad things can happen without proper research and planning. Do your homework. We cannot be responsible for any of your actions or their results whether based on this information or…
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The EFI Tuners Guide – Learn How EFI works!
A practical guide on how to understand and tune your engine/car with Electronic Fuel Injection and Ignition with an aftermarket Standalone Engine Management System Updated September 2022 by Jerry Hoffmann Our EFI Tuners Guide is aimed first and foremost to the DIY EFI installer, configurer, and tuner, this guide will help you understand WHY you…
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How to MegaSquirt your Toyota Supra Mk4 2JZ-GTE (JZA80)
MegaSquirt for the Mk 4 Toyota Supra, and other non VVTi Toyota 2JZ-GTE and 2JZ-GE applications The 2JZ engine gave the Toyota Supra a reputation as one of the top Japanese performance cars of the 1990s, and has also been a popular motor to swap into other platforms. DIYAutoTune’s 240SX land speed car is running…
Read MoreDIYPNP Documentation for 1987-1992 BMW 325
NOTE: The DIYPNPB55-K Kit has been discontinued as of 8/30/18. 1987-1992 BMW 325 USDM 2.5L M20B25 MT Test Vehicle Details: The vehicle used for drawing up these application docs was a USDM 1987 BMW 325is 2.5L M20B25 with a manual transmission. All factory electronics/ignition system components are in place and the factory wiring harness is in…
Read MoreThe MegaSquirt 1 and 2 ECUs seem to have only four injector output pins (or terminals on the relay board) but they are labeled as pairs so this is even more confusing, do I have two or four injector outputs? And how does either two or four outputs allow me to run 6, 8, or 12 injectors?
With the MS1 and MS2 you have two ‘banks’ or groups of injectors. You can use one or both of them. With 1-6 cylinders one is fine, though you can use both and generally would do so unless you were using the second bank for a different purpose, such as staged injection. With more than six…
Read MoreI have a (insert year, make and model here), what exactly do I need to order for my car?
We’ll be glad to help you spec a system for your car but we’ll first need some basic information. The following list of questions will generally need answers to in order to assist with this. You can find this information in service manuals for your car/engine, on message boards and enthusiast sites, or sometimes by…
Read MoreHow to Use a BMW Motronic 55 Pin Adapter Board
If you haven’t already, please read the ‘disclaimer’ at the top of the parent page here. Updated 2/5/2008 Warning: This document is a work in progress. It is not complete, and some of the directions are filler text from other products. Do not use this article until it is complete! What does this board do?…
Read MoreJamesl’s Original ‘MegaSquirting Your MR2’ Article
(Warning! This article, and the setup discussed, focuses on the 1987 Toyota MR2 with the stock 4age engine and stock VAST ignition system. I do NOT know if this setup will work with any other car or any other model year of the MR2 – it definitely won’t work with cars using Toyota’s ESA…
Read MoreHow to MegaSquirt Your Water Cooled VW
If you haven’t already, please read the ‘disclaimer’ at the top of the parent page here. Applications: VW used quite a number of ignition systems on their water cooled engines. This article covers the Hall effect distributor with four teeth, used on most of the ’80s era inline 8V and 16V motors. Later VWs used…
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