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Y Vacuum Fitting

SKU: 5231A

$2.00

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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DIYAutoTune and AMPEFI Engine Management Systems

Welcome!! DIYAutoTune is THE source for high performance Standalone Engine Management Systems for maximum performance on the race track, off road park, etc. Whether you drag race, road race, autocross, rally or drift, we’ve got you covered with the best engine management in the business. We get it– you need the capability to tune your…

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TunerStudio Dyno Tuning Interface Tuning VE Table
Blog Article

TunerStudio MS is POWERFUL tuning software for the MS3Pro, MSPNP, MicroSquirt and Legacy MegaSquirt ECUs!

TunerStudio and is comprehensive engine tuning software that allows users to modify and optimize the performance of MS3Pro and MSPNP Engine Management Systems as well as the MicroSquirt EMS (and our old school kit-style MegaSquirt systems as well) All of our standalone Engine Management Systems allow users to fully control the engine and ignition of…

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DD-EFI Digital Dash SVT Screenshot
Blog Article

PNP Digital-Dash for Megasquirt by DD-EFI

Modernizing with a PNP DD-EFI Digital Dash for your Megasquirt ECU In most cases people decide to upgrade to a Megasquirt, MSPNP, or MS3Pro ECU due to either exceeding the capabilities or needing additional features that the stock system could not. The dash has the same issues, with all those inaccurate or broken stock clusters,…

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Spagetti Wiring Mess of an ECU Installation - Do not be this guy!
Support Article

The EFI Tuners Guide Chapter 3 – Garbage In, Garbage Out:  The Three Stages of Success

Updated September 2022 by Jerry Hoffmann Chapter 3 – Garbage In, Garbage Out:  A properly installed, configured, and tuned Engine Management System makes all the difference (The Three Stages of Success) GIGO:  Garbage In, Garbage Out.  It’s a pretty simple principal.  Whatever you put into this type of project will absolutely play a role in…

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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

DIYPNP Documentation for 1991 – 1994 Nissan Sentra

1991 – 1994 Nissan Sentra USDM 1.6L GA16DE MT   Test Vehicle Details: The vehicle used for drawing up these application docs was a USDM 1994 Nissan Sentra GA16 with a manual transmission.  All factory electronics/ignition system components are in place and the factory wiring harness is in perfect condition. Other notes: GM open element…

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Success Story

Kevin’s 1990 Mazda Miata and 1991 Mercury Tracer AWD

Kevin’s Mazda projects Kevin campaigns this MS1 equipped Miata in CSP.  It was originally a 1990, but was the recipient of a VVT 1.8 from a later NB miata.  Kevin used this car to develop the VVTuner Cam Control Module. This is a turbocharged, all wheel drive Mercury Tracer that Kevin built.  It has a…

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Success Story

DIYAutoTune’s ’91 Turbo Miata

BEGI Series 3 Turbo Kit, GT2560, Intercooled, 14psi Latest Dyno Results 11/21/2007 Torque versus WHP Boost (MAP) vs WHP Pics Just a handle of pics fresh after a bath, getting ready for PRI ’07 (below)   The 91T at the 2007 PRI show, sitting in DynaPack’s outdoor booth on one of their dyno’s, getting the…

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