Tech Papers

Check out our YouTube Channel for tech videos, installs, etc.

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Stratified Builds:

Gen2 2023 Subaru BRZ
VW Golf AllTrack "R" Build - The DadMobile

How To's:

Ultimate Stratified How To Accessport Guide

How to Modify Your EcoBoost Powered Ford Focus ST
How to Pick a Turbo for your EcoBoost Focus ST
How to Run over 29 PSI of Boost on your Focus ST
How To Modify Your MazdaSpeed 3/6
How To Set the Logging Parameters on your COBB AP V3
How To Perform a compression test on a Ford Focus St or MazdaSpeed Disi Motor 
How To Set Launch Control, Flat Foot Shift, and Primary Rev Limiter
How To Pick the Right Spark Plugs for your modified  MazdaSpeed DISI or Ford EcoBoost
How To Protect Your Motor From Uncontrolled Overboost
How To Wire a Generic Stratified Plug and Play ECU
How to detect WMI Failure using Fuel Trims
How to deal with a bad tank of gas
Suspension/Coilover Installation Tips
How to Test Low Pressure Fuel System on Direct Injected Cars Like Golf GTI/R and MazdaSpeed (video)

How to COBB Accessport: Install the AP in your Porsche (or any of the cars we support)
How to COBB Accessport: Update firmware and obtain AP Info
How to COBB Accessport: Upload tune files and Download datalogs

General Tech:

PCV Systems in Turbo Cars - From Catch Cans to Carbon Buildup
Adjusting and Upgrading your Wastegate Actuator
What wastegate duty cycle and boost curve can tell us about our turbo setups
Engineering the Right Fuel Solution ... Less Can Be More
Stratified Tunes Are Designed to Handle Extreme Conditions
Low Speed Pre Ignition in the Direct Injected Engines (MazdaSpeed DISI, Ford Ecoboost)
The Benefits of E85 for High Performance Tuning in the MazdaSpeed DISI and Ford EcoBoost Motor
Knock Retard Explained: What it is and how it works
Analysis of Load Based Versus Boost Based Tuning
Technical Discussion on Intakes and Turbocharging
The effects of Intake Air Temperatures (IAT) on Turbocharged Vehciles 
The Implications of a Blow Boost Pressure (Wastegate) Line
Overboost Protection and Why it is Important

Ford EcoBoost Tech:

How The Ecoboost Turns your Throttle Input into Torque Output
Keeping the Ecoboost 2.0 Alive (and kicking butt!)
Ecoboost 2.0 vs 2.3 Engine Internals and Failure Modes (video)
400whp Focus ST Build Walk Through (video)
How the Knock Detection System Works in the Ecoboost
Modifications Guide for the EcoBoost Ford Focus ST
Ford Focus ST Big Turbo Upgrade Guide
Misfires and the Ecoboost, when should you worry?
Is Your Ecoboost Tune on Point? Here's what to look for
Upgrading your Ecoboost Fuel System - Part 1 - How it Works
Adjusting and Upgrading your Wastegate Actuator
Running over 29 PSI of Boost on your EcoBoost Powered Focus ST
What can be changed via the map slots on the COBB Accessport and the Ecoboost?
Reliability and the Ecoboost
What wastegate duty cycle and boost curve can tell us about our turbo setups
Focus ST Water Methanol (WMI) Install and Results
How To Perform a compression test on a Ford Focus St
How To Set Launch Control, Flat Foot Shift, and Primary Rev Limiter
How To Pick the Right Spark Plugs for your modified  MazdaSpeed DISI or Ford EcoBoost
Understanding knock and ignition corrections in your Ecoboost powered Ford
Drag Racing the Shop Focus ST
Are throttle closures at WOT bad?
How to detect WMI Failure using Fuel Trims

Improving the Handling of your Fiesta ST
Tuning the Fiesta ST for E85

Focus RS Specific:

Considerations when Upgrading your Focus RS Turbo
Focus RS FMIC Upgrade and Getting the Most From Your FMIC Upgrade

Focus RS Turboback Exhaust Results
Is Your Ecoboost Tune on Point? Here's what to look for

Focus RS Head Gasket Failure Mechanism

Our Development RS 9000 Mile Cylinder Checkup
Wheel and Tire Fitment on the MK3 Focus RS and ST (video)

MazdaSpeed 3/6 Tech:

Modifications Path for the MazdaSpeed 3/6 or Mazda MPS
Detecting WMI Failures on the Mazda DISI Motor
Comparing OEM VS Aftermarket BPV's
Does a Downpipe Really Make a Difference?
BNR S3 Turbo Walthrough 
Setting Up WMI Using the Stock Washer Tank

Volkswagen Tech:


Tuning the MK6 GTI: Stage 1, E85, Limits, Findings
How to setup and use Virtual Dyno for your VW GTI
Diverter Valves: How they work, the limitations, and what you need for your TFSI
Turboback installation and performance on the MK6 GTI
Golf R Intercooler (FMIC) Upgrade

MK6 GTI Autox Build (video)
MK6 GTI Fuel System Overview and Upgrades (video)

MK7 GTI/R Upgrade: Intercooler and Intake Upgrade Tech Talk (video)
MK7 GTI/R Fueling: How To Upgrade the In Tank (LPFP) Pump (video)
MK7 GTI/R Fueling: How it Works and How to Upgrade
MK7 R on the Dyno with E30 and Pump Gas - Results Explained (video)
MK7 GTI Does Running Leaner Make More Power?
MK7 GTI Step Colder Spark Plugs and Compression Test

How to Datalog Using the COBB AP V3 on your MK7 GTI/R
MK7 GTI Spark Based Traction Control Explained (video)

Subaru Tech:

Subaru WRX FA20 DIT Tuning - Initial Findings
How the Boost Control System Works (video)

How to Install a rear LSD in your WRX (with video)