The X---- Porsche cars

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Peter Max Muller was also the first German with his friends Huschke Von Hanstein and Helmut Polensky to drive a German race car outside Germany after the second WW in 1949 (Giro di Sicilia)

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In 1948 PeterMax Muller tried for the first time to brake speedworld records on the Hockenheim speedway
This attempt

failed after a serious accident

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Thanks to Huschke Peter Max Muller obtain the Hanover VW-Porsche agency agency who still exist to day as the Hanover Porsche center

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Peter Max Muller was more and more invlved with the Porsche race team
On the following pic (copyright Jacques Mertens) he is seen (left) with Huschke Von Hanstein, Wilhelm Hirth and Richard Von Frankenberg around the first Gmund SL race cars

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Peter Max Muller sold his own cars and became official Porsche pilot
He took part to the Le Mans 24 hours in 1952 with Huschke Von Hanstein (DNF) and in 1953 with Auguste Veuillet (DNF again)
He also raced the Liege Rome Liege marathon in 1952 and 1953

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In 1972 at 60 years old, he attended the Monte Carlo rallye and was part of the Porsche team who won the team trophy
I have not found any pic but here the 911S of the French team Gerard Larousse/Perramond who finish 2nd overall behind the Italian Lancia of

Sandro Munari

[JTR70]

The legend say that this engine is derivated from the Porsche study 161 for a flat 4 aircooled boat engine
I have no idea if it is right
Anyway this engine was very inovative with separated heads and hemi chambers

Gerard, great stuff as always! This motor has really peaked my interest is there anymore technical info about it? Was this just a one-off engine? 50HP out of just 1100CC huh; its those hemi-heads! I can't believe this design was not explored further. By Porsche for example... Thanks again! Justin

[S.J.Szabo]

Those heads are pretty cool, all right. You don't cobble those up in your garden shed.

Yet, I'm not surprised Herr Porsche passed them by... Legend or not, he kept his price-point and profit margin fixed in his mind, along with a determination to stick to his own patents.

After all, the 356 was a true silk purse out of his very own sow's ear, was it not?

[Porschinelle]

Hi Justin
Hi SJ

In order to try to find answers to your question re : the Peter Max Muller/Vogelsang engine I made some search and find the right answer in a fantastic paper wrote by Phil Carney and publish under the title "356 Enginology" in the October/November 2009 issue 32 of the Registry magazine
I have sent copy of this 4 pages article to Justin by mail as I don't think we have the right to publish it on the site without Phil agreement
From this article it is said that the Peter Max Muller engine origin form 3 VW studies (115/170 and 171and not 161 as I said by error) on the VW KDF during the war in order to improve te output of the origninal design

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During the war the VW engineers worked on the following solutions
larger pistons
multiple carburetors
supercharging
overhead cams
hemisherical heads
and even sleeved valves

Very quickly it became evident that to increase output power, you needed larger valves more than multiple carburetors

After the war Ferry Porsche engineers made a summary of all what had been done by VW during the war and started three studies
Option 1 type 366 increase power with 2 barburetors instead of one
Option 2 type 367 : increase power by larger valves
Option 3 type 369 increase power by increased compression ratio, domped piston and redesigned rocker arms

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The legend say that Porsche project 367 was originated by the studies done by VW engineers for the "Sturmbootmotor" a KDF engine modified to be used into a marine landing craft
From the 3 projects, projects 369 was the cheapest (thanks SJ) and Porsche went on with this project for his Gmund 356
After the 2nd WW all the pieces used by VW engineers were sent to Gmund including several individual heads from the 367 project
Peter Max Muller through is relation with Ferry Porsche and Huscke Von Hanstein obtain some of these heads, heads that were used by the ex-VW engineer Gustav Vogelsang to develop the PeterMax Muller engine

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