“Unlike a 911 GT3, which allows negative camber adjustment with shims in the lower suspension arms, the McLaren requires about seven hours to change the front camber settings,” Roland explained. “We were surprised to learn this during our discussion with our McLaren dealer, and by the time we finished the engine work and fitted the wider wheels, we’d run out of time.

“So the idea was for our test driver, Florian Gruber, to set a lap time at Hockenheim we could use as a benchmark for later suspension tweaks,” he continued. “This was to be done during practice on Friday, and then the car would simply be displayed in the paddock during the Tuner GP on Saturday. However, the car was lapping fast enough to be a contender in the competition, despite too much understeer on tighter bends like the Sachs Curve.”

After consulting with Florian and the mechanics, the decision was made to enter the McLaren. The officials were notified, paperwork filed, entrance fee paid and the MTM McLaren MP4-12C was allotted starting number 64.

Entered into Class C15 for supercars (forced induction, under 5.0L), the McLaren turned an average lap of 1 min 08.979sec, winning its category and beating the Gumpert Apollo – one of MTM’s main objectives.

Other than a menacing trio of massively powerful supercharged Corvette ZR1s, the MTM McLaren was the fastest street-legal car in the contest; its stock suspension and lack of testing making the class win even more satisfying.

A talented mechanic and professional driver, Gruber reckoned there was another 1.5sec be found with the correct chassis set-up, putting it on pace with the fastest Vette, whose larger capacity put it in a higher class.

Roland admitted the MTM McLaren MP4-12C is in its early stages and that there is more to come. Yet this initial outing has shown the huge potential of the overall package.

Gemballa

The most discreet of the tuned McLarens at Geneva 2012 was the Gemballa GT, which appeared to be the one McLaren representatives were most impressed by…

Its aerodynamic package included a new front bumper with integrated spoiler and larger intakes. As well as side skirts it also had a revised rear panel that radically changed the look of the car – its matte-black center section linking the tail lights and exhaust to the diffuser.

The conversion created a more purposeful car while improving high-speed stability, and all use the factory mounting points.

The Gemballa forged wheels were an inch larger than factory, 20x8.5" front and 21x11" rear, wrapped in 245/30 and 305/25 tires respectively.

When we previously visited Gemballa in early June, engineers were still testing engine upgrades and hadn’t announced any definitive numbers as we went to press. (gemballa.com)

Mansory

You need to recover from the shock of Sunfire Orange paint before you can appreciate the fender flares plus the carbon front splitter, side skirts, air intake fins, mirrors, roof panel, rear deck and wing.

The fenders are 2.5" wider and accommodate 20x9" and 21x11" ten-spoke forged wheels with 245/30 and 305/25 rubber.

The carbon fiber continues inside, with it decorating the instrument cowl, door pulls, steering wheel and paddle shifters. The orange exterior is echoed by highlights on the seats, dashboard, doors and mats.

Mansory reported ECU and exhaust mods were producing 670hp at 7100rpm with 500 lb-ft from 3000-6500rpm. Top speed is claimed to be 219mph, which is more than adequate for almost any occasion. (rtwmotoring.com)

FAB Design

Company boss Roland Rysanek called his McLaren “Terso”, meaning “clear” in Latin or “smooth” in Spanish. We’re unsure which he intended but the rakish lines are currently the most radical.

The new front and rear sections allow larger intakes and outlets, while the carbon wing is claimed to provide downforce, although a unique mounting system allows rapid removal.

Sized 20x10" and 20x12", FAB Design’s forged wheels are the widest fitted so far and don’t use a staggered diameter. However, they wear enormous 275/25 and 325/30 Dunlop SportMaxx tires.

A stainless steel exhaust and ECU remap is reported to release 680hp and 525 lb-ft, resulting in a claimed 0-62mph time in 3sec with a 213mph top speed. (fab-design.com)

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