NSX Archives - MotoIQ

Project NSX: Part 20 – Antigravity Lithium Battery and CTEK Charger

Posted on September 17, 2023
byBilly Johnson

When it comes to weight reduction, it’s difficult to beat the cost-to-benefit ratio of a lithium battery. We replaced our NSX’s heavy AGM battery with Antigravity’s drop-in Group-35/Q85 lithium battery…

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Project NSX: Part 19 – Designing a Crank Position Sensor and Knock Control

Posted on June 26, 2023
byBilly Johnson

We design a custom tone ring and hall-effect sensor mount for our Motec M150 to more accurately record the crankshaft position and control ignition timing at high RPM. We also…

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Project NSX: Part 18 – DBW Conversion with Motec

Posted on May 29, 2023June 30, 2023
byBilly Johnson

We upgrade the ECU in our 30-year-old NSX to the advanced Motec M150, and ditch the throttle cable in favor of a Drive-By-Wire setup to take full advantage of new…

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Project NSX: Part 17 – ECU Master PMU16

Posted on May 17, 2023May 17, 2023
byBilly Johnson

We replace the NSX’s aging factory main relay and fan control modules with the ECU Master PMU16 Power Management Unit. This also gives us the ability to not only control…

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Project NSX: Part 16 – Dry Ice Blasting Restoration

Posted on May 2, 2023
byBilly Johnson

We restore the undercarriage and engine bay of our NSX with Dry Ice Blasting. Now we just might be addicted to Dry Ice Blasting. Once you go ice, nothing is…

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Project NSX Part 15 – Upgrading the Interior with Sweidit

Posted on April 19, 2023
byBilly Johnson

We worked with Sweidit to modernize the interior of our NSX with Alcantara and Nappa Leather, replaced plastic trim panels with carbon fiber, and upgrade the head unit and amplifier.…

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Project NSX: Part 14 – Michelin Cup 2 Connect Tires and Forgeline GA1R Wheels

Posted on March 13, 2022March 13, 2022
byBilly Johnson

After years of extensive testing and measuring, I finally fit 305-width Michelin Cup 2 (240)s under the rear of an NSX, mounted on a set of custom Forgeline GA1R wheels.…

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Project NSX: Part 13 – Track Testing Yokohama A052 Tires and Swift Springs

Posted on January 18, 2022January 20, 2022
byBilly Johnson

When it comes to performance on track, tires are one of the most important factors of a car. We install what is arguably the fastest 200-treadwear “Street” tire on the…

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Project NSX: Part 12 – NRG Steering Wheel and Quick Release Install

Posted on September 26, 2021January 4, 2022
byBilly Johnson

We upgrade one of the most important tools a driver uses: The steering wheel. We install a suede steering wheel, adapter, and quick-release from NRG. NRG has been around for…

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Project NSX: Part 11 – Installing NSX-R Style Loop Carpet From NSXcarpet.com

Posted on September 15, 2021January 4, 2022
byBilly Johnson

We refreshed the interior of our NSX with NSX-R style looped carpet from NSXcarpets.com It’s pretty crazy to think that the carpet in our NSX is nearly 30 years old. …

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Project NSX: Part 10 – AeroWerkZ Paint Correction and Stek PPF Install

Posted on August 17, 2021January 4, 2022
byBilly Johnson

To protect our freshly painted NSX, we visited the experts at AeroWerkZ for a full paint correction and wrapped the entire car in Stek’s “DYNOshield” Paint Protection Film (PPF). AeroWerkZ…

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Project NSX: Part 9 – Designing, Fitting and Testing a 3D Printed Door Card Frame

Posted on February 9, 2021February 9, 2021
byBilly Johnson

We designed and 3D printed a stronger NSX Center Door Frame out of necessity, and solving a much-needed problem. In the tech article Make Your Own Parts with Shareware CAD…

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Project NSX: Part 8 – 2002 Facelift and Widebody

Posted on September 20, 2020September 22, 2020
byBilly Johnson

Our 1992 NSX gets a make-over with a 2002 facelift conversion and subtle flared fenders from Downforce USA. This will help us fit wider tires in anticipation of more than…

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Project NSX: Part 7 – Installing PFC Multi-Pad Monobloc Calipers

Posted on April 22, 2020April 30, 2020
byBilly Johnson

Project NSX is back! (Again!) We return by installing arguably the most advanced brakes ever to be fitted on an NSX, in anticipation of more than doubling the stock output…

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Project NSX: Part 6 – Building The Ultimate Fuel Pump Assembly

Posted on August 29, 2014August 15, 2020
byBilly Johnson

The NSX’s stock 155lph fuel pump reportedly maxes out around 400whp which will not suffice for our turbocharged 500whp+ goal. We upgrade the factory pump with the new Walbro 416…

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Project NSX: Part 5 – We Dyno Test A Ported Intake Manifold and Headers

Posted on April 9, 2014May 20, 2019
byBilly Johnson

In what will probably be the first and last article for pursuing naturally aspirated power gains in our 1992 NSX, we look into the design of the stock NSX’s Variable-Volume…

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Project NSX: Part 4 – We track test KW Suspension, Volk Wheels and Nitto Tires in Pursuit of a Track Record

Posted on February 10, 2014June 25, 2019
byBilly Johnson

With almost 5 years of downtime, Project NSX has been on hiatus for way too long. Between FXMD moving from Las Vegas to California, the motor traveling from Vegas to NorCal…

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Project NSX: Part 3 – Building a Race Proven C32 Engine

Posted on October 28, 2009August 15, 2020
byBilly Johnson

At MotoIQ we have always contended that it is a much larger challenge to build an engine to hold up to the stress of road racing than nearly any other…

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Project NSX: Part 2 – Tuning a Limited Slip Differential

Posted on September 9, 2009January 17, 2019
byMike Kojima

In part one of Project NSX we went through the transmission of our NSX to address some of its weak points – following the guidelines in our “Building the Bulletproof…

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Project NSX: Part 1 – Building the Bulletproof Transaxle

Posted on July 7, 2009July 4, 2018
byMike Kojima

Project NSX: Part 1 – Building the Bulletproof Transaxle by Billy Johnson and Mike Kojima The Acura NSX is regarded as one of the premier cars from the era of the…