Toyota

 

  • Tundra
  • AE86
25

Daily Driven, HKS Supercharged Scion FR-S Autocross and Track Car

by Frank Ewald

Simon Chan's Scion FR-S attracts attention. Just sitting in a parking lot or driving by on the street, you will take a second look. We certainly did - and then contacted Simon and asked if he was interested in doing an article for MotoIQ. He was and so a meeting was set up at River's Edge Road Course, part of Mission Raceway Park in Mission, B.C. where he would be participating in a track day. A nice balancing point from the Autocross event that first brought this FR-S to our attention. The weather was initially overcast with some light rain on the way to the track, however, by early afternoon the sun was drying off the track and, by mid-afternoon, was out in full force. This was certainly a more balanced day than the early spring autocross event which blew us away with snow in the first few hours before the sun also came out to stay.


 

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23

Japanese Cars That Don't Suck

by Mike Kojima

I pissed a lot of people off with my Japanese Cars Suck article a few weeks ago, where I expressed dismay at the boring state of the Japanese car industry. Japan Inc. seems to be producing either the uninspired transportation device or the trying too hard, over the top stuff that seems like something out of the Fast and the Furious or Transformers franchises.


 

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29

Building the FR-S FA20 engine with Stay Crushing, Assembling the Engine!

by Mike Kojima

In our previous installments of the Stay Crushing FR-S engine build, we have been accumulating the parts to build the supercharged FA20 engine. Now we have everything, and it's time to put it all together!


 

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02

Building the FR-S FA20 engine with Stay Crushing, Prepping the Cylinder Heads With Portflow Design 

by Mike Kojima

In the last installment of our FA20 engine build, we covered the parts that we were going to use for the insides of the "Stay Crushing" FR-S. With the components covered it was time to start on the engine build in earnest. We decided to begin with the cylinder head and enlisted the help of Tom Fujita at Portflow design to perform the core work on our head.


 

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08

Project MKIV Supra: Part 15 – Preliminary testing of the Precision CEA 6870 Gen2 Turbo

by Pablo Mazlumian

Today we get some preliminary testing of the Precision CEA 6870 Gen2 turbo both on the dyno as well as on the tarmac! If you like dyno charts and speedo videos, check this out.


 

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03

Project Supra: Part 14 – Precision Turbo's GEN2 PT6870 CEA Turbocharger

by Pablo Mazlumian

Since the recent wintery weather hasn’t allowed this Midwest import to have much fun, we've been rather quiet with regard to Project Supra. But the weather's breaking, and so will traction--thanks to the GEN2 PT6870 CEA turbo madness from Precision Turbo! Check it out...


 

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03

The Blitz Electronic Supercharged Toyota Yaris!

by Mike Kojima

The Toyota Yaris has been a vehicle that has pretty much been universally panned by the performance aftermarket. Can you really blame the aftermarket though, the Yaris was not designed for any sort of fun nor would it win any beauty contests.


 

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07

The TEIN EDFC ACTIVE Controller: Suspension tuning at its best

by Pablo Mazlumian

When TEIN released the EDFC controller nearly 14 years ago, the suspension tuning world hit a new level of technology. Now with its more current EDFC ACTIVE version, TEIN has stepped up its game again, and we got to install it on our 800 WHP Project MKIV Supra!


 

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12

Event Coverage: Supras in Vegas 2015

by Miguel Jimenez

photos by Doug Tahuite & David Tanner

Supras in Vegas (SIV) celebrated its fifth anniversary in 2015 as the premier National Meet for all things Toyota Supra.


 

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05

The PTP Lava Turbo Blanket literally rocks!

by Pablo Mazlumian

We take the PTP lava turbo blanket and check out the temperature delta between the blanket itself and its surrounding components after a couple of 800 WHP runs. The difference is impressive!


 

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02

Project MKIV Supra: Part 13 – Nardi steering wheel plus more Stu Hagen and Speedhut gauges!

by Pablo Mazlumian

We continue to transform our 20-something year-old interior, bringing it up to 21st century specs as well as fix some boost leaks that send this 800whp rocket back to flying!


 

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26

Project MKIV Supra: Part 12 – Corbeau seats

by Pablo Mazlumian

Continuing on our quest to update this 20-year-old car’s cockpit, we swap our old Corbeau CR1 seats and update them with new RRBs! Plus, you'll get a sneak peak into what else is up our sleeves to complete the Supra's interior transformation, worthy of an ESPY award!


 

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20



Project Toyota Supra Mark IV: Part 11 – Updated gauges, new panels, and video!

We've started the quest of updating the Supra's interior to newer, cooler standards.

by Pablo Mazlumian

Check out how a couple of small upgrades start to transform the look and feel of the car from the inside.  Plus, we've made a short video not only showing you our new gauges, but also what it's like to rip around in this car at a 700+whp setting!


 

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23

Extreme Engine Tech, Technosquare's Monster Naturally Aspirated Toyota 4AG - Part 3 (VIDEO INSIDE!

by Mike Kojima, Photos & Video by Jeff Naeyaert

Way back when the third and final installment of this build was part of our best of 2010 series. It's still a great article presented here for you to check out one more time. Follow the links, read all three parts and enjoy!

When we last left the Technosquare crew, they had completed the stroker 4AG engine's bottom end and assembled the cylinder head.  Now it was time for the engine's final assembly and installation into an AE86 time attack car.

Click Here for Part One

Click Here for Part Two


 

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16
Extreme Engine Tech: Technosquare's Monster Naturally Aspirated Toyota 4AG - Part 2

Extreme Engine Tech: Technosquare's Monster Naturally Aspirated Toyota 4AG - Part 2

by Mike Kojima

In our last edition of the building of Technosquare's monster Toyota 4AG, we mainly looked at the details of the bottom end.  Now we will finish our tour of the bottom end and delve into the engine's cylinder head which is the heart of any high performance engine.

The 83mm x 83 mm stroker motor gives 1800cc.  The 200 extra cc's makes a huge difference, fortifying the 4AG's notoriously narrow power band. The engine cranks out over 250 crank hp, more than the most highly developed Formula Atlantic engines of yore and 30 more hp than the previous 1600 cc version of this motor. Here it is, re released again for your reading pleasure!


 

 

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12

Project Tundra: Leveling it out with a Hellwig Big Wig Air Lift

by Mike Kojima

In the last edition of Project Tundra, we had installed Hellwig's adjustable rear antisway bar in an effort to improve our truck's balance and limit body body roll to help keep our stability control from activating prematurely. 

Now to finish up our chassis tuning we wanted to address a problem all trucks that tow have. With tongue weight in place the back of a trucks sags lower and the front lifts higher.  This makes the handling a little squirrely at times, the steering getting light a lot due to the geometry changes of the front end when under droop. The heavily loaded rear suspension is also prone to bottom out with bigger enclosed trailers which can make things interesting and possibly damage the trailer jack.

To fix this by leveling out our truck without hurting our ride, we decided to go with a set of Hellwig Big Wig air bags.  The air bags can increase the rear suspension's capacity by 2700 lbs and restore the proper ride height improving stability and laden ride.  When finished towing, the bags can be depressurized for a stock ride height. and smooth ride.


 

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09
Technosquare Howard Watanabe 4AG Engine Build

Extreme Engine Tech:  Technosquare's Monster Naturally Aspirated Toyota 4AG - Part I

by Mike Kojima

The Toyota 4AG is a historic engine, one that was essential in launching sport compact car culture in the USA.  In 1985 the 4AG first rocked the automotive world.  It was the standard engine in the Toyota Corolla GTS, the famed Hachi Roku AE86.  The AE86 was the last of the RWD Corollas and Toyota made history by equipping it with the revolutionary 4AG engine.  Not to be forgotten, the AW11 MR2 mid engine sports car was also powered by the 4AG.


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05

Project Tundra, Getting More Cornering Power (and less stability control activation) with a Hellwig Adjustable Rear Antisway Bar

by Mike Kojima

If you have been following Project Tundra, you know we have been struggling with excessive activation of our truck's stability and traction control systems.  The improved power of our supercharged engine and additional traction of our larger tires have been driving the electronic nannys of the truck's OEM systems crazy.  We were hopeful that a new adjustable rear antisway bar from Hellwig would help.


 

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04

Project Tundra: Fixing the Brakes with Stoptech

by Mike Kojima

So as we alluded to in our last article, our powerful supercharged Tundra without a limited slip was continually activating the Trucks electronic nannies.  With the more powerful engine, the electronic LSD was working the rear brakes constantly trying to keep one tire fire under control and with the added cornering forces that our bigger tires allowed, the stability control was grinding away at the front brakes in tuns all the time.  The electronics were probably causing the brakes to be used at twice the normal rate.

We had tackled some of the issue by limiting body roll with a Sequoia front and TRD rear anti sway bar and turning up the stiffness of our King Adjustable shocks.  Adding an Auburn Gear Limited Slip Differential also helped a lot to keep the electronics from grinding away at our brakes.  However our brakes and rotors were shot with the rear brakes worn to the backing plates and we had to replace those ASAP.

We turned to Stoptech for some help in the brake replacement department with some new rear sport rotors and some less aggressive brake pads in the hopes of reducing brake dust and rotor wear for this brake service period


 

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22

Project Tundra: Getting More Grip with an Auburn Gear HP Limited Slip Differential

by Mike Kojima

Supercharging Project Tundra is one of the best things we have ever done to any project vehicle in the MotoIQ fleet.  The TRD supercharger has proven to be totally reliable in thousands of miles from towing up hill in blazing heat to driving all over the place.  It has also proven to be economical as our normal driving gas mileage has not changed at all.  If anything the large amounts of power have had only one negative effect on the truck: no traction.  To help deal with this we obtained the only limited slip diff on the market for late model Tundras, the Auburn Gear HP Limited Slip Differential.


 

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