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1974 Porsche 911
1974 Porsche 911

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1974 Porsche 911 Carrera RSR

Designer: Ferdinand Alexander Porsche


Engine: 3.0 Liter Twin Plug RSR Spec

915 Transmission

Four-Wheel-Disc Brakes


First B-production 911 Ever Built

First 911 to Take a B-Production Win

Restored to Match The Original Racing Livery


The Model: Porsche’s relationship with racing is a true thing of beauty.  From behind the wheel of the German track stars, a driver finds handfuls of grace, poise, and a refined feel that gives him the confidence to corner harder than the competition. By the 1970s, Porsche’s flagship ride, the 911, was well established in the racing world and the suits in Stuttgart wanted to add another car to its racing stable. They began to focus on the 914. With the factories efforts being put into the C  and E classes with the 914 entries, the checkers were up for grabs in the B-production class.  


When privateers go racing they often get support from the factory, but still struggle to stay competitive. Peter Callahan was certainly no different when he decided, against Porsche wishes to campaign a 911 for the 1974 season.  Partially because of Porsche’s apathy toward Callahan's 911, the factory support privateers normally count on fell short, and Callahan was unable to source the necessary engine parts. So, when Peter Callahan showed up at Lime Rock Park, with the original Carrera power plant pushing the orphan, he ruffled more than a few feathers when he out qualified Peter Gregg in the factory’s 911 Trans-am team’s entry.


The Car: Because of the SCCA’s rules for the B-Production class, Callahan started with a brand new stripped down 1974, 911 Carrera.  He needed to build the car up to match the RSR, rather than bring the RSR into compliance. Ordering all of the necessary gear straight from the factory, like RSR fenders and 15x9 inch wheels, converting the car was easy. Callahan was also able to source some parts from the inner circles of Porsche’s racing elite at the time.  A group he would eventually look down at from atop the podium. While Callahan was able to out-qualify Gregg, with the baby motor the Carrera came from the factory with, Callahan did soon get his RSR spec motor installed.  Now with all the power he needed, the owner-operator team would capture Porsche's first B-production win, at Virginia Summit Raceway Point.


Callahan’s racing career was rather short-lived, ceasing at the end of 1974. But the Carrera’s wasn’t. The race car changed hands a few times over the years, in well-documented transactions.  Eventually, the car was back on the track, for some of the country's most prestigious endurance races, like the 6 Hours at Watkins Glen, and 3 finishes at the 24 Hours of Daytona. Like all long lost loves, Callahan eventually found himself daydreaming about his old 911.  And in a tireless effort was able to recover the car from a barn where it had gone into retirement.


Callahan set about putting the car back just the way he raced it. RSR fenders, 3.0 liter RSR spec motor, and the prettiest midnight blue paint he could find.  A few upgrades were borrowed from the Turbo, like brakes and trailing arms, and the car now sits on 16-inch Fuchs alloys. A choice made because of the availability of racing rubber.


Power is now supplied from a twin plug 3.0L, in a Turbo case, with factory RSR pistons, built by Dawe Motor Sports. Cranking out almost 350 HP, the car was again set to hit the track.  If you think you recognize this car, you probably do, as it was a champion in its class, during an encore racing career in SVRA in the 2002 season.

With a well-documented race history that spans 5 decades, this historically significant car looks fantastic.  But more than that, it does what it was always meant to do -- WIN!  So, whether this car has simply won your heart with its life story, or if you are looking to stand on the top of the podium, this classic racer will be a high point in any stable.

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