WPC Archives - MotoIQ

To kick off our engine build, we CNC-lightened the rotors of our 13B REW before shipping them off to be cryogenically frozen by CTP Cryogenics to improve strength and durability…

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What is Shot Peening and Why is it Useful?

Posted on August 9, 2022
byMike Kojima

If you are a long-time MotoIQ reader you probably know we often prescribe shot peening for heavily stressed metal parts. You have probably read about us prescribing the shot peening…

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The Rest of the Engine for Project WRX

Posted on July 25, 2021July 30, 2021
byMike Kojima

We have been getting parts to finish off the engine build on Project GD WRX. If you have been following the project you can check out what we have done…

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Tech

Bulletproof Your Rear End!

Posted on July 23, 2020August 10, 2022
byMike Kojima

Nowadays as technology has enabled us to extract previously unheard of power levels out of our engines, the once rare failure of the ring and pinion gear in the differential…

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Tech

What is WPC Treatment and Why Do We Use it?

Posted on July 2, 2020July 2, 2020
byMike Kojima

Wonder why we use this mysterious WPC Treatment on so many of our engine builds? Let us explain what WPC is and how it works. It’s an inexpensive…

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The CSF Evo X, Building a Time Attack Worthy 4B11 Engine Part 1

Posted on April 12, 2020April 12, 2020
byMike Kojima

We are tackling the building of a 4B11 engine for the Time Attack Evo X built by CSF Cooling. The car was previously a big hit on the SEMA/Show circuit…

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Building a 650 hp Naturally Aspirated Drift Spec LS3 Part 2

Posted on March 22, 2020March 23, 2020
byMike Kojima

In the first installment of our drift spec LS3 build, we discussed our parts selection and listed the part numbers for building a 650 whp NA monster with parts from…

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Project S-Turdteen Fixing the Transmission

Posted on April 14, 2019April 15, 2019
byMike Kojima

Well, Rathyna’s S13 not only had a roached engine, but her transmission had given up the ghost as well. It didn’t shift well, third gear was broken and her clutch…

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Tech

Inside the 1000 hp LS, Dai Yoshihara’s Formula Drift Powerplant

Posted on May 14, 2018July 2, 2018
byMike Kojima

Inside the 1000 hp LS, Dai Yoshihara’s Formula Drift Powerplant By Mike Kojima MotoIQ Garage has taken over the development of Dai Yoshihara’s engine program for the last two years…

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Tech

Improving Dai Yoshihara’s Formula Drift Engine Wear With WPC Treatment!

Posted on February 21, 2018July 2, 2018
byMike Kojima

Improving Dai Yoshihara’s Formula Drift Engine Wear With WPC Treatment! by Mike Kojima The world of Pro Drifting is a brutal place for machinery. Since I started my involvement with…

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Tech

WPC is Neat Stuff

Posted on July 16, 2013July 3, 2018
byJeff Naeyaert

WPC is Neat Stuff! By Mike Kojima If you are a longtime MotoIQ reader you will probably know that we are big fans of the WPC process and use it…

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Project Infiniti G20 Racecar: Transmission Upgrades

Posted on December 9, 2012July 2, 2018
bySteve Rockwood

Project Infiniti G20 Racecar: Transmission Upgrades By Steve Rockwood It seems that every time we try to do something to make Project G20 faster, we find a faster way to…

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Bulletproofing a Ring and Pinion Gear

Posted on October 18, 2011July 3, 2018
byMike Kojima

Bulletproofing a Ring and Pinion Gear by Mike Kojima Our friend Pro Drifter Walker Wilkerson was having a problem. As of late he has been plagued by drivetrain failures…

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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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Tech

All You Need and Wanted to Know About WPC

Posted on March 25, 2009June 12, 2020
byMike Kojima

The WPC treatment process works by bombarding the metal surface with a special media at high velocities leaving a hard micro dimpled surface. No, in this case special treatment isn’t…