LaLD Engine Week: Forced Induction Friday - Porsche 934 RSR Turbo

Illustration for article titled LaLD Engine Week: Forced Induction Friday - Pem/emorsche 934 RSR Turbo

How do you know a company is serious about racing? When they double up on the name. Rennsport Rennwagen (motorsport racecar). Hell yeah.

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This one, however, is a little worse for wear due to it having finished its racing carreer in 1978 and having been left in a drafty barn outside Heidelberg. The owner passed away in 1984 and his kids forgot about the wooden shed at the back of their father’s property until they sold the place two years ago.

Luckily, the VDH Garage got wind of the story and is slowly bringing the car back to life to compete in vintage races. The engine was actually in surprisingly good shape! Soon the 3L turbo-charged monster will be back up to the original 485bhp and 588 nm of torque.

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Illustration for article titled LaLD Engine Week: Forced Induction Friday - Pem/emorsche 934 RSR Turbo

That concludes the imaginary portion of this 934's backstory. The factual portion of how the 934 was developed is below, which is equally compelling, if you ask me. Ultimatecarpage.com provided the info.

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The 934 is basically the racing version of the 930 that was developed to run in the, you guessed it, Group 4 category. This meant that it was not allowed very many body modifications, so the 934 retains the standard 930 wing, for instance. In turn, upgraded intercoolers did not fit in the engine bay and water-cooled radiatiors had to be fitted in the nose to cool the intakes.

IMSA’s John Bishop looked at the Porsche with big turbos and decided that he did not want IMSA ruined by the Porsches winning all the damn time, so he declared them automobili non grati and the 934 instead went to Trans-Am, where George Follmer won the 1976 title. Toine Hezemans won the European GT championship that same year to make it a successful debut campaign for the 934.

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When a tone of privateers started upgrading their 934s to Group 5 spec, Porsche wanted a piece of that action and got a batch of 934s ready for Group 5 in 1977, giving us the 934.5, and later the 935. Evolution: it’s a helluva thing.

Lastly, Porsche stopped making 934s after 1977, but in 1981 a 934 won its class at Le Mans.

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Illustration for article titled LaLD Engine Week: Forced Induction Friday - Pem/emorsche 934 RSR Turbo

This particular model was customized by forgeryfade to exquisite detail. Look at the headers under the engine!!! He took this from Loophole Week to LaLD Engine Week.

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Illustration for article titled LaLD Engine Week: Forced Induction Friday - Pem/emorsche 934 RSR Turbo
Illustration for article titled LaLD Engine Week: Forced Induction Friday - Pem/emorsche 934 RSR Turbo