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Support Article

Miata Torsen Diff ‘Clover’ Removal

Symptom: Tinny metal on metal vibration noise in the rear of the drivetrain near the differential.  Only when moving, but doesn’t change directly correlating to speed.  The car in question had a 99 manual diff in it. More Info: So we had blown out the tranny in our turbo Miata at the last autocross, just…

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MegaSquirt Technical Help For Installing EFI/EMS Systems

All of the following information is provided in the hopes that others’ efforts can be of benefit to you in your install. We do not have one of each type of vehicle mentioned here, therefore no first hand experience with most of these to confirm each of them.  This information is to help point you in the…

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Support Article

How to MegaSquirt Your Toyota 22RE

This article submitted by [email protected] and has not been tested at DIYAutoTune.com, but we greatly appreciate you Darin, for all your hard work! Looking for the easiest way to MegaSquirt these trucks? Since this article was written, we’ve come out with a MegaSquirt PNP for 22RE powered trucks. This is a fully assembled, plug and…

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Support Article

How to MegaSquirt Your 4AGE Powered MKI Toyota MR2 or AE86 Corolla

(or other Toyota VAST Ignition Vehicle) Want to make your install as easy as possible? Our MSPNP fully assembled, plug and play, ready to run unit that makes installing MegaSquirt a snap. Click here for MSPNP installation instructions and you can order them here. For those who’d rather set this up the DIY way, read on. Also– if…

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Support Article

How to MegaSquirt Your Modular Motor Powered Mustang

Applications: 1996-2004 Mustangs with the 4.6 modular motor. We’ll also have a couple tips on other vehicles with the 4.6 and 5.4 liter mod motor V8s; the modifications are about the same if you’re working with a Thunderbird, Navigator, Crown Victoria, Lightning, or F150 as well. These motors all use the same sort of crank…

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EFI Tuners Guide - Laptop Tuning 1967 Camaro Drag Car with MS3Pro using USB-2920 USB to RS232 Adapter 1
Support Article

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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Support Article

Quick Tech Tip: MS3Pro, MSPNP, MegaSquirt and Windows XP

Products this applies to: MS3Pro, MSPNP, MicroSquirt, MegaSquirt 1/2/3 with TunerStudio on a Windows XP PC   Problem: If you’re trying to connect to any of our MegaSquirt based products with Windows XP and you’re having trouble — here’s the skinny: The serial library was updated to support Mac OS M1 and ARM64 on Linux..…

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Support Article

MegaSquirt Carb to EFI Conversion – Part 2: Ignition Control

From Carb to EFI, with Ignition Control, on just a fistful of dollars… Objective of this Article This article will walk you through the process of installing a MegaSquirt EFI system on a classic carb’d vehicle attempting to go the least expensive route possible using junkyard parts and DIY ingenuity.  We’ll be using an MegaSquirt-II…

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Support Article

How to Use the MegaSquirt 5.0 Mustang Adapter Harness

Note: The adapter harness kit is discontinued. This page is for reference for people still using this harness.   For the latest in EASY Plug-N-Play Engine Management Solutions for 5.0 Foxbody and SN95 Mustangs check out these products: https://www.diyautotune.com/product/ford-foxbody-mustang-5-0-1986-1993-ms3pro-pnp-plug-and-play/ https://www.diyautotune.com/product/ford-sn95-mustang-5-0-1994-1995-ms3pro-pnp-plug-and-play/ Ford Mustang FoxBody 5.0 1986-1993 MSPNP Gen2 Plug and Play ECU Ford Mustang 5.0 SN95…

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