MotoIQ Tech

Project VehiCross Part 3: If You Give a Mouse a Cookie

by David Zipf

If you've ever owned a project car, you know that things never go according to plan.  Our VehiCross is not supposed to be a normal project car, falling more into the mildly restored daily driver category.  But when you need to replace parts and can gain some performance, you might as well, right?  Unfortunately with any project, things don't always go as planned and as you replace one thing, you find another and another and...


Supercharging the Nissan VQ35DE with Vortech!

by Mike Kojima

The Nissan VQ35DE in all of its variations is one of the best six cylinders on the market, light compact and smooth it has a lot of potential for modification. The VQ35DE and its variants in the VQ family is found in the G35 and 350Z.  Although the VQ is a nice performance engine, in the US market it is only available in naturally aspirated form.  Naturally aspirated limits your power, especially when you are talking about a streetable engine on pump gas. 

In our search for more power we decided to try another direction: supercharging.  For our test mule we used a G35 coupe which already had a lot of the basic bolt ons. To this we applied Vortech's bolt on intercooled VQ35DE kit.  The Vortech kit is a relatively easy bolt on and has the advantage that if installed exactly as is, it is a CARB approved 50 state legal system with an EO number.  This is a huge advantage if you live in California or any area that requires smog testing for registration.


Matt Powers and the AEM Infinity 58X LS Plug and Play System

by Mike Kojima

It's been a long time coming and we have been eagerly anticipating it but now its here. AEM has introduced a plug and play version of the Infinity ECU with a full wire harness to support engine swaps or to make switching to an Infinity ECU on a Chevy LS V8 powered car a piece of cake.


Fluidampr - The Independent Test 

by Bart Hockerman

I was honestly very intrigued when I read the article here on MotoIQ about the development of the Fluidampr Crankshaft Damper. Seeing the dyno charts showing improvement in power and torque on a Stock FR-S and having a pulley/damper that should reduce harmonic engine stress on the engine would be the hot ticket. It really almost looks too good to be true. 


Project E39 M5: Part 3 - Installing and Adjusting KW V3s

by Martin Gonzales

In this latest installment of Project E39 M5 we will be outfitting our M5 with a set of KW V3 coilovers. We will not only be giving you our usual evaluation, but will also be spending some time explaining our basic theory of basic shock adjustments. It's no secret the grand majority of the MotoIQ staff are huge proponents of KW Suspension's products. Either from personal experience in their own cars or from simply test driving one of our KW equipped project cars. I fell in the latter category. 


Evaluating the HKS Max GT R35 GT-R Coilover Suspension System

by Mike Kojima

Not so long ago we evaluated HKS's new Max ST coil over suspension system on a Honda AP2 S2000.  The S2000 is a pretty decent handling car from the factory that is pretty suspension sensitive, the AP1 in particular has a lot of toe change with suspension moment and some wonky suspension can make it quite a handful.  

For our next evaluation we decided to try the other HKS coilover in the lineup the Max GT damper. While the Max ST is calibrated for the serious driver being set up like a hard core street and or weekend warrior track day shock, the GT is made for a mildly performance oriented driver that wants to lower their vehicle with a decent ride and have handling that is a step up from stock but with little sacrificed in the way of ride comfort.


Extreme Engine Tech: Building the Ultimate K24 Part 3 - The Finished Goods!

by Mike Kojima

We have been working with Motovicity for the last few weeks to demonstrate the building of a potent Honda K24Z7 motor, built completely from in stock and off the shelf parts available from Motovicity themselves. We chose the K24Z7 as it is currently the OEM engine for the Civic Si and is relatively difficult to modify due to it's emissions bound cylinder head.  Our goal is not to build a dyno queen or a drag motor but to build a strong K motor all from off the shelf parts with the intention of getting the most power possible on pump gas with the widest most useable powerband. 

In the last two editions of our series we focused on the cylinder head and bottom end of our K24Z7. We swapped to an earlier model K20Z3 head  to get Vtec on the exhaust side and and removable exhaust manifold and installed Skunk2 camshafts, Kelford valvesprings and Supertech valves better suited for turbocharged use. For the bottom end we added lower compression JE pistons and stronger K1 rods, removing the problematic balance shafts while we were in there.  

Now it's time to finish off our motor. 


Project Autocross BRZ: Keeping Her STX Legal With Nameless Performance And Whiteline 

by Bart Hockerman

With the arrival of the BRZ/FR-S platforms here in the Autocross world they have taken hold as cars to have and enjoy. Everyone saw that the twins with very minimal preparation could do the job as good as or better than many cars that have had years of time money and tuning to the rules of the STX class.


Evaluating the HKS Max IV SP S2000 Coilover Suspension System

by Mike Kojima

The guys at Motovicity have been singing the praises of HKS's new Max IV coilover systems to us for a while.  While we have generally always been impressed with HKS's tidy OEM like engineering, it was a while since we had experienced their coilovers.  In the early 2000's we had tried some of the original Hipermax suspensions on a few of our cars and although we found them to be of high quality and smooth riding, they did not have enough spring rate and damping for serious performance with big sticky tires and especially track use.  We sort of regulated the brand as nice for street use only and looked toward other places for suspension for our projects.

Fast forward 10 years and 4 generations of Hipermax suspension later, plus Motovicity's raving about them made us eager to get our hands on the Hipermax or Max 4 suspension system for another review.


Tested: EBC Brakes Long Term Review

by David Zipf

Most CR-V owners will go to their nearest dealership or trusted mechanic’s shop and get whatever brake deal is being offered.  But this is MotoIQ…why would we put boring old Honda or off-brand parts on one of our cars?  Besides that, the plan for this CR-V was to be a useful trucklet.  It needed to be able to go off-road, haul people, drive cross country, and tow small trailers.  With that in mind, it seemed prudent to install something better than what Honda originally gave the car.  Civics and Integras are popular platforms and have a seemingly endless supply of brake options.  The CR-V?  Not so much. Luckily EBC came to the rescue.


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