Tech

 

26

Wrench Tip: Save your Exhaust Hangers!

by David Zipf

Do you have broken exhaust hangers?  Are you sick of them?  Well then try this Wrench Tip to stop them from coming back.


 

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22

Project SEMA Scion Tuner Challenge FR-S, Working on the Cosmetics

by Mike Kojima

In our previous installments of Project SEMA Scion Tuner Challenge FR-S we have been working on getting the performance of our sports coupe up to snuff.  Now it's time to look at stuff that we usually don't care that much about: the looks stuff and cool JDM bits needed for car show points!

Since we figured that every FR-S at the SEMA show was going to sport the new Rocket Bunny wide body kit, we decided to do something completely different. We came up with a theme of restraint.  At the risk that no one would get it, we decided to go MotoIQ style and come up with a look of a practical daily driver car, one that would look trick with a few high quality parts but not something that would scream look at me.  Would the judges get it?  Probably not but we had to do something radically different. 


 

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15

Project Ford Fiesta ST- Making the Jump to a Race Car With SPD Motorsports!

by Mike Kojima

Project Fiesta ST's owner started to really get the track day bug after we did our initial round of mods by installing suspension into the car.  He then shocked us by telling us he wanted to take the car off the street and turn it into a full time track car and eventual race car.  He suddenly gutted a lot of the car's interior out of it and wanted a cage.

We decided that if the car was going to become a race car we had better go all the way and do it right.  We enlisted the help of Scott Dodgion of SPD Motorsports to help us with his expertise in building real nice competition cars.


 

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08

Project Fiesta ST- Improving the Brakes with a Gold Coast Automotive Big Brake Kit and a Ford Racing Brake Controller

by Mike Kojima

When we last left off, our Project Focus ST had gotten a new set of coilovers from ST Suspension and a few other bits from mountune. Well, the owner of our car has just gotten the track day bug and decided to take the Fiesta ST off the street and build a race car out of it.  The car has been getting converted to a real race car at SPD Motorsports and part of that conversion has been upgrading the brakes to bigger units from Gold Coast Automotive with some electronic help from Ford Racing.


 

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05

Saving (Lots) of Weight with a Pegasus Racing Ballistic Battery

by Mike Kojima

"No way is this thing gonna start the car" is the first thing we said when we opened the box containing the Ballistic Battery we had purchased from Pegasus Racing.  Even though the tech guys at Pegasus had assured us that this battery could easily start and run the big 8 liter Chevy engine in one of our race cars, when we hefted it's 6.5 lbs, we knew that there was no way it could!


 

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Posted in: Magazine, Tech, Engine
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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01

An Inside Look at mountune's GRC Ford Duratec Engine!

by Mike Kojima

The current engines used in today's GRC Rallycross racers are some of the highest stressed production based engines in all of Motorsports.  Only Import Drag Racing engines see more stress and perhaps no production based race engines not even Time Attack engines are stressed for as long a period of time as Rallycross powerplants.

Breathing through a 45mm restrictor that limits power to "around" 550 hp, the mountune Ford Duratec puts out 625 lb/ft of torque.  Because of the restrictor, the Garrett Turbo pumps in 45 plus psi absolute of boost to make that power, generating an amazing 3200 psi of cylinder pressure.  To put this in perspective, this is more cylinder pressure than the Audi LMP1 Diesel!


 

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24

Project E39 M5, Part 2: Installing and Testing the Corsa Performance Exhaust

by Martin Gonzales

After ensuring we could stop our newly acquired fun-machine in a previous installment of Project BMW E39 M5, it was now time to let some ponies loose! Our goal; produce more power while maintaining the “quite refined” feel of our performance sedan. It’s no secret the S62 power plant in the BMW E39 M5 was extremely muffled and restricted from the factory. With a price tag rivaling a large down payment on a house, those who could afford a new E39 M5 back in the day were more interested in impressing their power lunch buddies with the M badge rather than with the rumbling performance notes the S62 could belt out. So in the name of sales numbers BMW, like any other manufacturer, put a muzzle on the ol’ girl leaving the performance enthusiast longing for more. But seriously though, what’s the point of having a 400hp engine if you can’t hear and enjoy it?!


 

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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 Tundra's, the Auburn Gear HP Limited Slip Differential.


 

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19

Roll cage fabrication, 240sx, S13, Nissan, Silvia, 180SX, land speed racing, SCTA, Racecar, s14, s15, 200 mph club, land speed records, blown gas coupe, moto iq, annie sam, chuck johnson, joe lu, el mirage, bonneville, team rod riders, Jim Pierce motorsports, KW suspension, SPL Pro suspension, Fastbrakes, energy suspension,

Project Land Speed Racer 240SX: Chassis Prep and Roll Cage Fabrication

By Chuck Johnson
 
Remember when Project Land Speed Racer 240SX first came into the hands of Chuck Johnson? In this Flashback Friday see where the record breaking first got started...  The beginning of any good sedan type racecar build almost always starts with ruining a perfectly decent streetcar. In the case of Project Land Speed Racer 240SX though, I'm not sure if we are really ruining a perfectly good streetcar. Honestly, from the looks of things, it must have been owned by a series of wannabe dorifto hacks before falling into my hands. 

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15

BPG's BNR32 Skyline GT-R Time Attack Special

by Mike Kojima

Some of the cars at Australia's World Time Attack or WTAC for short are so amazing and so exotic that for most of us, we can just look and drool.  We were looking at cars to feature and we wanted to show what could be done for a moderate amount of cash by regular people.  Clean solid work by smart people but nothing that needed open wheel or prototype levels of engineering and fabrication skill.  In short, something that most of us or a good local shop could build with a regular person reachable budget.


 

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11

Wrench Tip: Creative Spark Plug Removal

by David Zipf

How do you replace the spark plugs in a V-block engine when there are items like brake boosters, fenders, and other junk in the way?  U-joints sometimes work, but when that fails (or you forgot to pack them when you moved), try this tip.


 

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04

Tested: Mothers NuLens Headlight Restoration Kit

by David Zipf

You've most certanly seen tons of headlight cleaning products on the shelf of your local auto parts store.  But do any of them really work?  On a whim we tried out the Mothers NuLens kit when we saw it on sale at our local parts store.  Will the Mothers kit restore the faded headlights of our newest car purchase?  Read on to find out...and see what weird vehicle we deicde to try this kit out on.


 

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Posted in: Magazine, Tech
01

Project Supra: Part 10 - Dyno testing - We hit 800 WHP!

by Pablo Mazlumian

We've reached our power goal.  Take a peak at how we did it, and be prepared for a smorgasbord of dyno graphs not only from Project Supra, but from other Supras and racecars tuned at Modified by KC as well!


 

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27

Industry Insider: Tein's shock service

by Mike Kojima

One of the markings of a better shock company is if the company can service their product by offering rebuilding and revalving if the the customer needs it for their usage.  We recently visited Tein Suspension since they are rebuilding and revalving the shocks on our Project Supra.


 

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26

Project SEMA Scion Tuner Challenge FR-S: Getting More Power with an HKS Supercharger and More Cooling with a CSF Radiator 

By Mike Kojima

Our SEMA Scion Tuner Challenge car's progress is coming along nicely.  With all of our other mods coming together we now will focus on getting serious power out of our FA20 engine with an HKS supercharger.  With power comes heat and we will be relying on a CSF racing radiator to take care of our cooling needs. 


 

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20

Project White 5.0 Liter Mustang - Bolting on More Power with Borla Long Tube Headers 

By Mike Kojima

In our last edition of Project 5.0 Mustang, we added some basic bolt on's being a cat back exhaust system from Borla and a cold air intake from AEM.  We got excellent results for these mods.  In this week's edition of Project Mustang, we are continuing to work on the engine with the addition of some long tube stainless steel headers from Borla.


 

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18

The CSF Radiator Challenge!  CSF vs Masiv

by Mike Kojima and Khiem Dinh

During the summer CSF radiator launched a bold ad campaign with MotoIQ: the CSF Summer Challenge.  CSF boldly challenged the entire radiator industry to s shootout to see who makes the most effective radiator with us conducting the test.  CSF's only rule was that a radiator for the challenge had to be an off the shelf part built for a given car available to the general public, not a one off bespoke radiator designed just for the test.


 

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12

Keep It Simple - Go Tuning's Spoon Sports Civic

by Mike Kojima

What's the best thing to do to re launch a performance brand in the USA?  Go racing. That is exactly what Go Tuning, the official North American distributor of Spoon Sports parts has done in the world of Time Attack in a big way.  In practice for the last Super Lap Battle, Dai Yoshihara, previous Formula D and MPTCC Champ peddled Go Tuning's Spoon Sport Civic to a blistering 1:46.3 second lap time around Buttonwillow's famed configuration 13 CW. This was faster than Chris Rado's long standing FWD Unlimited lap record in the high tech 1300hp F-Wing Scion TC, a record we assumed would be out of reach for a long, long time.


 

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11

Performance Racing Industry: Part 3

by Pablo Mazlumian

As we wrap up the show’s three-part coverage we're left with only one regret—that we couldn’t show you more.  Still, we’ve got plenty to see here in Indianpolis, Indiana, so please follow us once again as we walk through the greatest aftermarket car show in America.  Big turbos, big brakes, and big engines here we come!


 

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