Friday Quiz

                                  who knows of which air-cooled engine this crankshaft is?

                                   Insert answer to the commentfield below


Answer:                  It is the famous Porsche engine Typ 547
                                  Constructed bei Ernst Fuhrmann

                                          This is a pics of the the engine

The engine was used in serveral Porsche Typs: 356 Carrera 2, Porsche 904 GTS as a street legal version.
In the Racing Typs 550, 718 RSK, 904 GTS, 718 RS, 787, 804 max. horsepower 190 HP

Black Magic 2165cc

                                       The Engine Case from "Black Magic" is ready. 

                                                   
                                                             Custom Oilsump is ready

 

Headwork is done

 

 

Pistion weight relief is done

 

 

Now is time for trial assembly

 

JPS HD-Aluminium Pushrods ready to ship

This is how the shipset of my JPS HD-Aluminium Pushrods looks inside

You get:
8   pcs. HD Aluminium Pushrods
16 pcs. High Quality Tips from Manton
STP for assembly
instructions and drawings

say goodbye to the annoying klick klack of the steel pushrods

Manifold milling

 

Prepare for more flow

Machining Engine Case

Engine case after line boring

Perfect surface

 

Clearance check with connection rods

Special Oilsump

For some applications you need special solutions ........

TDE Comet 44

Coole Vintage Speed Engine Project
TDE Comet 44, if you drove this engine you know why TDE was so successful in the 60`s and 70`s

Camshaft and Crankshaft

Camshaft and Crankshaft are good friends? They must be when they get sooo close.
First preliminary assembly on 2165cc Typ1 ;-)

JPS Slidevalve

JPS Slidevalve

Nothing disturbs the flow at full throttle (Ø49mm of free flow)

If you want to learn a bit more about air-cooled high-performance engines, sometimes you need to look into the past.
Do get new ideas for type1 and type4 engines.

It is always a pleasure to do something better streamlined.
Inlet valve for 2165cc street engine.

To let my aircooled Typ1 engines scream, I decide to produce my own lightened flywheel.
The flywheel is at the moment on my 1915ccm street motor, it runs perfect at 900 rpm idle.
So no worry it doesn`t work!

But it revs up like a motorbike

It`s not the cheapest, but it`s a good CrMo CNC milled high performance flywheel and stress calculated up to Kennedy Clutch Stage 3.

This is how my HD Aluminium Pushrods looks inside!
The dimension is Ø10mm / Ø6mm length depending on the operational. The material is a special Aluminium with heat treatment and can provide Rm 470N/mm².
This material you can`t get around the corner in the warehouse belive my.
You can handle a valve spring pressure up to 140kg, and thats more then enough for the aircooled Typ1 engine.
I use this pushrods in high performance street engines and in all out race engines.

The first step is done!

This Blog will view the activity of my Aircooled Engine Development.
Stay tuned and enjoy!