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GTP: 1977 McLaren BMW Camel GT Press Kit

September 12, 2009 by GTP.com · Leave a Comment 

Press kit for the 1977 McLaren BMW 320i Camel GT team and driver David Hobbs. Powered by a 2.0L four cylinder engine, the flame-spitting Citicorp-sponsored 320i took four wins during the 1977 Camel GT championship.

(To see the full-sized images in each gallery, click the icon at the bottom right on the menu bar.)

GTP: 1981 Kenwood BMW Press Kit

September 12, 2009 by GTP.com · Leave a Comment 

Press kit for the 1981 March BMW M1/C IMSA GTP team and driver David Hobbs. Powered by a 3.5L inline-6, the March was one of the earliest GTP-class designs.

(To see the full-sized images in each gallery, click the icon at the bottom right on the menu bar.)

GTP: 1986 Daytona Finale IMSA GTP Race pt1

September 1, 2009 by GTP.com · 3 Comments 

The final win for Bob Tullius in the GTP series also marks the first win for Chip Robinson in part 1 of the 1986 Daytona finale.

Courtesy of the American Le Mans Series.

GTP: 1986 Daytona Finale IMSA GTP Race Broadcast pt1 from GrandTouringPrototype.com on Vimeo.

GTP: 1986 Daytona Finale IMSA GTP Race pt2

September 1, 2009 by GTP.com · 2 Comments 

The final win for Bob Tullius in the GTP series also marks the first win for Chip Robinson in part 2 of the 1986 Daytona finale.

Courtesy of the American Le Mans Series.

GTP: 1986 Daytona Finale IMSA GTP Race Broadcast pt2 from GrandTouringPrototype.com on Vimeo.

GTP: Mosport 1981

August 30, 2009 by GTP.com · 1 Comment 

You’re starting last at Mosport in the newest, fastest machine on the sportscar scene, the Lola-T600.

You have six hours to slice through the three dozen cars, so time isn’t a major concern, but with the grid filled with bullet-like Porsche turbos, making it to the front won’t be the easiest of undertakings. Throw into the mix that like most tracks of this time, the daunting, brutally fast circuit has yet to receive many of the safety measures we take for granted today, and the race appears to have more chances for calamity than success.

Welcome to the world of sportscar legend Brian Redman and co-driver Eppie Wietzes, sharing the yellow #7 Cooke-Woods Racing car 28 years ago this month.

On that day in Mosport — August 16th, 1981 — Porsche prevailed as veterans Rolf Stommelen and Harald Grohs piloted their Andial Meister 935 to victory, despite a storming drive by Redman and Canadian Trans-Am veteran Wietzes to take second place.

After years of road car-themed Porsches, namely the 935 silhouettes, Lola unveiled the first serious alternative to GT racing (then classified as ‘GTX’) by bringing a real GTP solution to North America.

Facing a large horsepower deficit, Redman and Wietzes used all of the power their 5.7L Chevy V-8 had to offer, and relied heavily on the Lola’s advanced aerodynamics and superior downforce to scythe through the competition.

While it was still early in its development at Mosport, the T600’s massive underwing and sleek shape fulfilled everything IMSA founder John Bishop hoped the new GTP regulations would represent.

Thanks to the Lola, Porsche 935 owners knew their best days were behind them.

Many of the great sportscar names from the period were there at Mosport — Derek Bell in a Porsche 934, David Hobbs and Hans Stuck in a BMW M1, Hurley Haywood sharing a Bayside 935 with team owner Bruce Leven, Bobby Rahal and Gianpiero Moretti in their Momo-liveried 935, Bob Akin and Skeeter McKitterick in their Coke 935…Porsche icon Bob Garretson…Jim Busby and John Fitzpatrick…Spanish racer ‘Jamsal’…it was a packed grid.
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The locals were also well represented, with esteemed Canadian driver Bill Adam in the race (driving a brutish Camaro), along with Uli Bieri, Ludwig Heimrath Jr. and Sr., and a large contingent of skilled professionals and enthusiastic gentlemen racers.

Look beyond the heavy hitters, and a few mechanical oddities made their way onto the grid — Porsche 914/6s, and even (take a deep breath) a Triumph TR-8!

Five wins in the GTP-class Lola helped to deliver the 1981 IMSA GT driver’s crown to Redman, yet Porsche’s sheer numbers meant Lola would have to settle for second in the manufacturer’s contest.

Enjoy this 38 minute highlight reel of the event — Redman’s Lola makes extensive use of in-car footage during the race — well ahead of its time in 1981.

Learn more about the ALMS by visiting www.AmericanLeMans.com.

(Video courtesy of the American Le Mans Series)

GTP: 1981 Mosport IMSA GT Race Broadcast from GrandTouringPrototype.com on Vimeo.

1981 Mosport Yearbooka

1981 Mosport Yearbook 2a

GTP: 2009 Monterey Historics Trackside Action

August 19, 2009 by GTP.com · 8 Comments 

Here’s 36 shots from trackside at the 2009 Monterey Historics, featuring the IMSA GTP cars.

(To see the full-sized images in each gallery, click the icon at the bottom right on the menu bar.)

GTP: 1986 Porsche 962 Engine Warmup

August 19, 2009 by GTP.com · 1 Comment 

If you listened to yesterday’s Porsche 956 engine warmup audio, you might have noted the slightly staccato, somewhat silky quality of the twin turbo 2.65L flat-6 motor.

Big turbo, big power. (© GrandTouringPrototype.com)

Big turbo, big power. (© GrandTouringPrototype.com)


Today it’s time to listen to that motor’s evil twin, the single turbo, air-cooled 3.2L motor in the back of Hotchkis Racing’s 1986 Porsche 962.

It pops, it growls, it snarls, and at times, it even rumbles like an American V-8.

We move our microphone around a bit to hear the different ancillaries — the turbo (at 1:06), the valvetrain (at 1:16) and the air cooling fan (at 1:53) to revel in the brilliance of Weissach’s iconic endurance powerplant.

GTP: 1986 Porsche 962 Engine Warmup from GrandTouringPrototype.com on Vimeo.

GTP: Mazda’s Wailing Wankel: The 1992 RX-792P

August 17, 2009 by GTP.com · Leave a Comment 

I hope I’ll be able to hear the Mazda RX-792P this weekend as Patrick Dempsey’s pilots the car around Mazda Raceway Laguna Seca. I say that I hope I’ll be able to hear it because after my last encounter with the car seventeen years ago, I’m still mostly deaf from the experience.

The hellfire and fury that is the Mazda RX-792P is back to delight and deafen an all new audience. (© GrandTouringPrototype.com)

The hellfire and fury that is the Mazda RX-792P is back to delight and deafen an all new audience. (© GrandTouringPrototype.com)

The RX-792P might be the most unapologetic GTP car of all time. It was unapologetically loud, hot, and amazingly good looking. Penned by Can-Am and IndyCar engineer and designer Lee Dykstra, the RX-792P never achieved the success it was meant to on the racetrack, but in the worlds of marketing and corporate image, the silver GTP cars made a lasting impact.

Our friend “Mulsanne Mike” Fuller has some nice technical tidbits on the car at his site, and while we’ll soon have our own technical appraisal  some new in-car footage to offer, our focus for the Historics is to help Mazda’s fans relive the era when the RX-792P originally raced.

So, step back into 1992 with us and experience Mazda’s GTP effort through race broadcasts, a photo gallery and the RX-792P’s press kit.

(To see the fill-sized images, click the icon at the far right of the menu bar below)

1992 New Orleans GTP Race:

GTP: 1992 New Orleans IMSA GTP Race Broadcast pt 1 from GrandTouringPrototype.com on Vimeo.

GTP: 1992 New Orleans IMSA GTP Race Broadcast pt 2 from GrandTouringPrototype.com on Vimeo.

1992 Road Atlanta GTP Race:

GTP: 1992 Road Atlanta IMSA GTP Race Broadcast from GrandTouringPrototype.com on Vimeo.

And the final event for the RX-792P, the 1992 Del Mar GTP Race:

GTP 1992 Del Mar IMSA GTP Race Broadcast pt 1 from GrandTouringPrototype.com on Vimeo.

GTP: 1992 Del Mar IMSA GTP Race Broadcast pt 2 from GrandTouringPrototype.com on Vimeo.

While this video isn’t of the RX-792P, it is of Mazda’s win at Le Mans in 1991. (Video Courtesy of Mazda)

Le Mans: Mazda 1991, We Won the Day from GrandTouringPrototype.com on Vimeo.

GTP: Hotchkis Porsche 962 In-Car, Mazda Raceway Laguna Seca

August 16, 2009 by GTP.com · 13 Comments 

Mark Hotchkis leads the GTP race from pole during the 36th annual Rolex Monterey Historics held at Mazda Raceway Laguna Seca, winning handily and lapping cars by the 5th tour in this 10-lap race.

Hotchkis streaks through turn 3. (© GrandTouringPrototype.com)

Hotchkis streaks through turn 3. (© GrandTouringPrototype.com)


In what might be a first, Hotchkis races the 962 with a helmet-mounted camera, giving the viewer the same view he has from inside the cockpit of the famed German prototype.

Driving his family owned 962, the purple Wynn’s Porsche was purchased new and raced by the family in 1986 and has remained in their hands ever since.

With the majority of the 962s having changed hands multiple times throughout the years, their story is unique in that the GTP car was first driver by John Hotchkis Sr, then John Hotchkis Jr, and now now by the youngest son, former Indy Lights star, Mark Hotchkis.

Despite the polite nature vintage racing has associated with it, Mark does anything but treat his 962 with kid gloves.

Hotchkis managed to lap almost half the field in the 10-lap event where he was chased home by ALMS star Gunnar Jeanette in a 1994 Kremer-Porsche K8. Rudy Junco finished third in his 1988 962, Patrick Dempsey took 4th with the stunning Mazda RX-792P, and Tom Malloy earned fifth in his Leyton House-liveried 1988 962.

Enjoy the full race below from Mark’s perspective. He used the adjustable boost knob on the bottom left as necessary on the straights, and also holds his foot on the brake pedal as he leads the field to the start in order to build 50+ psi of turbo boost.

The sounds of the chirping wastegate is pure heaven…

GTP: Hotchkis Porsche 962 In-Car, Mazda Raceway Laguna Seca from GrandTouringPrototype.com on Vimeo.

GTP: 1992 Mazda RX-792P In-Car Video, Mazda Raceway Laguna Seca

August 15, 2009 by GTP.com · 3 Comments 

Spend 20 minutes atop the incredible fire-breathing 4-rotor Mazda RX-792P IMSA GTP car during practice at the Monterey Historics, August 14th, 2009.

Courtesy of Mazda.

GTP: 1992 Mazda RX-792P In-Car Video, Laguna Seca from GrandTouringPrototype.com on Vimeo.

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