Project Do It All S13, Engine Control and Electrical System Control with Haltech
With a ton of other projects that have come to MotoIQ HQ, our Project S13 was sort of put on a minor back burner for a bit, but we are…
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Engine Management and Tuning
80 posts
Validating AEM Electronics’ Improved Wideband AFR Sensor
For many years, the industry standard sensor for consumer-grade wide-band fuel/air ratio meters has been the Bosch LSU 4.9 Sensor. This was for a good reason, the LSU sensor is…
Project 718 Cayman T: Part 7 – COBB Accessport
The awesome thing about turbo cars is the ability to easily adjust the engine calibration for more power. Importantly for California, COBB provides off-the-shelf maps that have CARB EO numbers.…
Project GD STI We Don’t Need a Damn Rotated Mount Turbo
So with our last go around of Project GD STI we had reached our goal of 500 wheel hp but we were not entirely pleased with our powerband. Our power…
Hypertech REACT Revisited
It is not often that I feel compelled to revisit a product in a positive way but I am so in love with Hypertech’s REACT drive-by-wire throttle controller that I…
WATCH: Building the Toyota 4AG-GE!
In today’s video we’re taking a look at a customer’s Toyota 4AG engine we’re building. This particular engine isn’t an all out crazy build, but we’ll touch on some…
Hypertech REACT Eliminates the Annoying Toyota Tundra Overly Sensitive Throttle
One of the things that really annoyed us about Project Tundra was the exaggerated throttle swell programmed into the drive-by-wire throttle. Toyota seemingly did this to make Tundra owners think…
Project GD STI, Dyno Tuning for Big Power with Reliability
Well, it’s finally time to get Project STI started and tuned. As with many of our projects, we enlisted the help of Shawn Church of Church Automotive Testing to get…
Project FR-S, Fixing the original tune with Church Automotive Testing
We had been running Project FR-S on the track for a few events. Most of these were at Streets of Willow, a tight course with a lot of turns and…
Street Friendly (And California Legal) GD Subaru STI Build! Part Three, Getting Some Green Power With Cobb Tuning
Although our home state, California has great food and possibly the best weather in the county, the regulations that govern just about everything here have made about anything you want…
rusEFI – DIY Open Source Engine Management For Your Car?!
There is no doubt that Linux and open-source software has changed humanity for the better. What started out as various side projects have turned into a framework which runs much…
WATCH: GTR Tuning for Big Power!
In our last project R35 GTR video Mike talked about all the modifications we did to take us to the limit of what we can safely expect from the…
Project DBA R35 Nissan GT-R, Getting Some Serious Power With M-Engineering!
So you have probably been following the progress of our R35 GT-R build over the past few articles. We had installed a full complement of bolt-on power parts from Greddy,…
Project 987.2 Porsche Cayman S, More Butt Kicking Power than the GT4!
If you have been following Project Porsche 987 Cayman S, you have been seeing the engine power parts we have installed as well as the mods to improve cooling and…
Project DBA R35 Nissan GT-R Bolt On Power Mods Part 2, Fueling for 1000 Hp
The stock fuel system of the R35 GT-R is not adequate for anything much more involved than a mild reflash. The stock fuel pump and injectors do not have much…
Project EVO IX, Getting Lots of Power From the 4G63 With Link Engine Management Part 2
When we last left of, we had tuned our Project Evo IX to run on a Link Plug and Play stand alone ECU and had done some preliminary dyno work…
Project DBA R35 Nissan GT-R, Bolt On Power Mods Part 1
Our last work on our project R35 GT-R was to do the suspension and brakes to bring them up to a high level and address some of the R35’s shortcomings…
Building the Nissan VQ37VHR part 4, Making the Big Power!
You have probably been following our build of an NA VQ37VHR engine and are probably dying to to see how much power we can get out of it and frankly…
Getting the Most From 91 Octane Pump Gas with a Honda K Motor, Part Four
In our last articles, we gathered the parts and assembled out low octane Honda K motors for our sleeper DC5 RSX Type S project car. Our engine was intended to…
BEST OF 2019: Project 987.2 Cayman S: Getting More Out of the Engine to Chase the GT4 Part 1
Previously we have been working on Project 987.2 Caymans Suspension and Brakes to get them up to Cup Car standards. With that work being completed we are now going to…
Getting the Most From 91 Octane Pump Gas with a Honda K Motor, Part Two
In our last article, we discussed the modifications needed to the bottom end on our super pump gas Honda K series engine to get it up to snuff. Now we…
Getting More Power From the 4G63 With Link Engine Managment
Photography by Vincent Soto Now that we have accumulated all of the cool parts for our Project Evo IX it is time to start getting it all together to integrate…
Project G37S Transmission Upgrade part 2
Having addressed most of our cooling concerns in part 1 we continue with the transmission upgrade for our Infiniti G37S. Ten years ago it would have been a fringe case…
Modernizing the Evo IX Engine Control
We are finally going to a stand-alone ECU in our Project Evo IX with Link Engine Managment! Since the beginning, our car has been tuned with ECU flash, an open…
Tuning the Ford Mustang Coyote Engine
Tuning the Coyote engine in our S197 Ford Mustang has proven to be a bit more difficult than we originally anticipated, but hopefully we found a solution thanks to Church…
APR and COBB Tuning upgrades for the VW Golf R (MK7)
Today we’re going to be upgrading our Project Golf R MK7 with the APR intercooler for enhanced cooling, a COBB GESI catted 3″ downpipe for maximum exhaust flow, and efficiently…
Porsche 911 GT3 RS tuning for 500 WHP
So in our last segment of Project Porsche 911 GT3RS, we installed Dundon Motorsports long tube headers and exhaust and picked up 16 wheel hp and 7 lb/ft of torque…
Team America BNR32 GT-R First Update in a Long Time!
Team America BNR32 GT-R First Update in a Long Time! by Mike Kojima So most of you probably thought that the Team America GT-R was dead, long abandoned to…
We Test the BimmerWorld Exhaust and Epic Tune for S65 V8 M3
For this test we used the same 2008 E90 M3 tested against our own Project E46 M3 last year. We Test the BimmerWorld Exhaust and Epic Motorsports ECU Tune for…
Building an FA20 Race Engine for Michele Abbate: Part 2
So when we last left off, we were putting together some awesome parts for Michele’s engine and were about to embark on assembling it. In the interest of long-term durability, we…
TESTED: Ford Mustang GT Power Packs 1-3
TESTED: Ford Mustang GT Power Packs 1-3 by Billy Johnson Ford Performance offers three different 50-state legal “Power Packs” for the 2015-2017 Mustang GT that increases horsepower without affecting the factory…
Building the FR-S FA20 with Stay Crushing: Installing the Engine and Making Big Power!
Building the FR-S FA20 with Stay Crushing: Installing the Engine and Making Big Power! by Mike Kojima If you have been following our story, we are now ready to install the engine…