GT Design 997 Side Diffusers On Black

March 31, 2010 by Aaron in 997 C2S, GT Design

We introduced the GT Design 997 Side Diffusers on the white GT3, now check it out on black.

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Webmining – Japanese Race Queen Clock

March 30, 2010 by Bernard in Random

I found this really cool website that displays the current time by using race queens from Japan!! The page will automatically update every minute with a new picture and also displays some information about that particular race queen. Check it out:
Circuit Tokei
. (Japanese language only)



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GT Design Porsche 997 Side Diffusers

March 30, 2010 by Aaron in GT Design

We’re proud to introduce the GT Design Porsche 997 Carbon Fiber Side Diffusers. Similar to custom side diffusers seen on Porsche Cup Cars, these side are a great aerodynamic and cosmetic addition to the side profile of any narrow body 997 Porsche. Based on aerodynamic theory, the side diffusers improve aerodynamic efficiency on the side of the car by smoothing out turbulent air generated by wider aftermarket wheels and tires and air coming out from underneath the car. The simple yet aggressive design will give the car a lower and wider look and line up with the outer edge of most aftermarket wheels for a matched appearance. The GT Design Side Diffusers were designed from scratch in-house from a blank slate specifically for the 997 body. They feature a shape contoured design to fit perfectly flush against the body for ease of alignment and installation without any measuring or guessing. The side diffusers install simply using one strip of double sided tape, used to prevent scratching the factory side skirt, and 3 small screws. Installation is completely reversible without leaving any visible damage behind. Use of factory jack points if retained and each side weighs 1 lbs.

GT Design side diffusers are manufactured in Southern California using the highest quality materials. They are produced using Hexcel certified carbon fiber for added strength and durability and zero shrink TP high solid resin molds that are autoclave grade rated to 485F. The finish is a high polished UV inhibiting gel coat that protects the carbon from damage due to sun exposure. The surface is smooth and solid unlike many cheap products produced overseas that have wavy/rippled porus panels that require much prep work and application of a clear-coat. Side diffusers come pre-drill for installation with stainless steel screws and pre-applied 3M double-sided tape.

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  • A Clean 997 MK1.5 GT3… – Page 2 – Teamspeed.com
    April 8th, 2010 / 14:56 PST

    […] special on it for 800 and Socal customers or being willing to drive out get free installs on them GoTuning Blog Blog Archive GT Design Porsche 997 Side Diffusers […]

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Final Testing Of Our Latest 997 Product

March 29, 2010 by Aaron in Daily Happenings, GT Design

We have completed final testing of the production part for our latest Porsche 997 product. Official announcement coming tomorrow!

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Ducati Bikes – Introduction

March 26, 2010 by Aaron in 1098S Tricolore, Motorcycles

Although Go Tuning Unlimited caters mostly to cars, I’m sure readers can appreciate appreciate the other side of motorsport and would mind seeing what a JDM fanboy would do to 2 wheels. A lot of people in the industry will understand when I say that although cars and aftermarket tuning are my passion, sometimes you just gotta have other hobbies so you don’t get sick at staring at cars all day. In addition to cars, photography, watches, and reef aquariums divert my attention away from the daily grind but unfortunately I’m such a pistonhead motorcycles are my other passion. Having owned and ridden bikes almost as long I could drive, I find myself riding them daily then tucking them away when the excitement wears off. It takes a new project to jump start my interest again and this one has certainly ignited that once again.

The 1098s immediately caught my eye when it was released and when the Tricolore model was announced with the magic words “Limited Edition”, that was it. With only 400 or so of these produced for the US (so I’ve read) in 2007, it’s one of those rare Ducati’s that are highly sought after amd hopefully worthwhile to collect. The Tricolore model differs from the standard 1098s with a standard 70mm Termignoni Full Race System, Forged Marchesini wheels, a gold frame, and of course the color pattern. Most would be happy enough with these extra additions but I see that as just head start for the build.

Being such a race oriented bike the 1098 is incredibly uncomfortable to ride on a daily basis and would simply be a waste of the sticky tires, engine power and mileage. To complement the 1098, the Ducati Monster fits the bill perfectly. The Monster 620 has lots of low end torque, comfortable riding position, soft clutch, and a nice cushy seat makes it easy and comfortable to ride around town . Simple mods such as an exhaust and upgraded brakes makes it the perfect daily commuter bike.

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997 GT3 Prototype Parts Testing

March 25, 2010 by Aaron in Daily Happenings

One of our good friends dropped off his beautiful 997 GT3 today for some final testing for our upcoming Porsche products. The yellow accents are a nice touch to complement the PCCB calipers. That’s also a real deal $10k Factory GT3 RS rear wing, no fakes here! Stay tuned for product announcements!

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Mercedes SLS GT3 – WOW!

March 24, 2010 by Aaron in Motorsports

I’m normally not a huge fan of Mercedes or the SLS but wow, the SLS in race trim sure as hell looks very good in an old school modern vintage racer kinda way. Thumbs up to Mercedes for building these for privateer racers! Not only does the car look nice, the composition and quality of these pictures are amazing. Mercedes is trying hard to make a mark of their own in the modern supercar arena without McLaren.


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Year 2: Humble Beginnings – S2000 Spec-A Project Car 2000-2001

March 23, 2010 by Aaron in S2000 #1

The car remained stock for just over a year before I got bit by the modding bug again. I had only intended to add some mild additions so some rare discontinued SSR GP-0 Decolte Evolution and Neuspeed Springs with Koni Shocks made it on the car. That was enough for me at the time.

We also saw the rise of local community car meets and events such as S2000 Megameet 1.

I was also encouraged to try autocrossing after which I was hooked. Later that year I attended my first track event, which were scarce at the time, and the rest is history.

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ASM Aero Part Production – Prices!

March 22, 2010 by Aaron in ASM

Probably the most asked question about ASM is why their parts are so expensive. I’ll touch on the other products and whole mentality about ASM at a later time but the simple answer for their body parts is: because they’re expensive to produce. ASM and Go Tuning Unlimited actually make very little profit with ASM products compared to pretty much everyone else in the industry. The prices are based on actual product costs of the items, not marked up because it’s “JDM” or because ASM needs to recover costs for “R&D”. I’ll repeat, R&D costs are not part of the pricing for ASM parts which is contrary to popular belief.

ASM outsources their body part production to the Challenge Technology Center which produces arguably the highest quality carbon fiber and fiberglass body parts in Japan using multi-million dollar machinery so the cost of production at the factory is incredibly high. The car and original plug is first plotted in a full size spacial plotter to ensure a proper baseline for post-production fitment. The parts are then designed and engineered in 3D CAD then the molds are produced by a 5-axis CNC machine. The molds are then finished and the pre-impregnated dry carbon sheets are cut by machine to engineered and calculated sizes and hand laid on the molds. These pieces are then placed in an autoclave to cure at different pressures and thermo decompressed. Afterwards, the edges and holes are cut by waterjet and hand finished for perfectly straight and concentric lines. Finally, the items are rechecked with 3D measurement instruments to ensure proper fitment and shape. In addition to the lengthy process, high quality materials, and expensive machinery required to produce these parts, each mold is used very few times to ensure consistent fitment from the first until the last piece.

The USA retail prices are then priced to incorporate the cost of ocean freighting these items to the USA and cost to keep the parts IN STOCK at all times. Dealer structures and prices are also carefully regulated to ensure the retail prices can be kept as low as possible for the end consumer. The price structure overall is designed to offer the consumers the lowest price possible and dealers fair profit margins to carry the item, it is not designed for maximum profit for us as a distributor. So in the end, we actually make very little profit from ASM and we make much more money selling other products but we believe in ASM products so much we continue to stand behind it 100%. When you compare ASM’s process to the amount of work other manufacturers put into their carbon and fiberglass products, ASM is a bargain in comparison.

See the complete process in the following pictures and video at the end.


YouTube Preview Image

Please excuse the lack of sound in this clip

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  • GoTuning Blog » Blog Archive » Dry Carbon? Show Us Your Autoclave!
    February 23rd, 2011 / 12:35 PST

    […] that separate the high end manufacturers from the rest. As shown in our previous article describing ASM’s composites manufacturing process, the Challenge Technology Center that produces ASM, Mugen and many other JDM company’s aero […]

  • GoTuning Blog » Blog Archive » The Cost Of Carbon Manufacturing – BMW & SGL Carbon
    April 29th, 2010 / 12:18 PST

    […] to a couple thousand dollar facility to produce a $500 replica part, which is a better value? See the ASM aero part manufacturing process No comment so […]

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997 Weight Addition – Roll Bar

March 20, 2010 by Aaron in 997 C2S

We felt like dropping 60 lbs with the seat was cheating so we decided some weight back in (kidding). The DAS roll bar added 45 lbs but the removal of the rear seats lost another 25 pounds netting a total savings of 40 lbs, not bad. The roll bar also added significant chassis rigidity and gave us a proper harness bar to mount some harnesses at a later time.

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