Y Vacuum Fitting

SKU: 5231A

1/8″ vacuum Y-fitting, as included in the MSPNP and Mustang plug and play packages. This is made of clear polycarbonate. Maximum pressure 125 psi. This plastic is tough enough to take 275 degree F engine temps, and won’t crack even if exposed to Siberian cold.

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Corruptt Twin Turbo Ferrari V8 Swapped Mustang GT on MS3Pro EVO

Tony Arme’s jaw-dropping, Corruptt Mustang is anything but straight-forward.  The chopped, 1968 Mustang sits ridiculously low on a RideTech suspension and features a Ferrari F430 V8 with California intake and two 92 mm throttle bodies force-fed by a pair of NRE mirror image turbochargers.  Turn up the sound and check out the FIRST START VIDEO with…

Tuning Tips for Pro Results!

Everything written here is common sense, but I’ve never heard any of it talked about in formal EFI training classes, and I see the ramifications from people not following these recommendations daily. Following these recommendations should save yourself time and frustration.

Using the Tooth Logger and Composite Logger

The tooth logger and composite logger TunerStudio’s tooth logger and composite logger are powerful tools for troubleshooting problems with the MegaSquirt’s RPM input. These are both under the Diagnostic and High Speed Loggers menu. The tooth log records the time between individual pulses from the crankshaft position sensor. The composite log works similarly to a…

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…

MS3Pro A/C Control Wiring

The MS3 has a dedicated A/C control option, allowing the ECU to take several actions to control the A/C. These include a full throttle cutout, increasing idle speed while the A/C is active, compressor overspeed protection, and more. The wiring needed is very straightforward. You’d need an on/off switch on the dash, a cycling pressure…

Using the Chevy Vortec ignition module

A basic ignition module While some MegaSquirt versions have ignition modules built in, many versions do not, including the MicroSquirt, wire-in MS3Pros, and many others. These have 5 volt logic level spark outputs instead. If you need to run a distributorless ignition where the coils need an external ignition module, our QuadSpark is a great…

DIYAutoTune Launches New Brand for Flagship MS3Pro Systems: AMPEFI, The Ultimate in Engine & Powertrain Control.

DIYAutoTune, US manufacturer of popular, full-featured, standalone and plug-n-play engine management systems is proud to introduce AMP EFI, a high performance engine & powertrain control systems brand focused on high I/O, high horsepower drag and road racing solutions. Their popular MS3Pro Standalone System, released in 2012, quickly tore them from their Do-it-Yourself roots as they increased…

MS3Pro Helps Revive an Urban Legend: A Prototype GM LS V10

In January 2016, KC Maxx Performance & VC Fabrication inquired about MS3Pro capabilities and interest in being involved in this project.  Who wouldn’t be interested in a snuffed TOP SECRET GM Project? Some intrepid GM engineers it seemed, thought that the General needed a V10 to replace the aging 454 in the truck division. Having…

Using the HSD-4 High Side Driver

HSD-4 High Side Driver Module Overview The HSD-4 high side driver module provides four high side drivers for solenoids that need 12 volt power instead of ground. Wire a ground triggered output from an MS3-Pro, MicroSquirt, or MegaSquirt to the HSD-4’s input, and it will supply a 12 volt output with up to 8 amps…