

| Subject: | Re: Flywheel and orientation... |
| From: | pederparizek |
| Date: | Mon, 23 Jul 2001 14:47:28 -0500 |
My first car was a Porsche 914. Fun car. It was the reason I got into VW's. Being as it was half VW parts. Peace Out, Peder '84 Westy ----- Original Message ----- From: "Daniel Schmitz" <djs@GENE.COM> To: <vanagon@GERRY.VANAGON.COM> Sent: Sunday, July 22, 2001 9:26 PM Subject: Flywheel and orientation... > Owning both a Porsche 914 and a Vanagon, I feel qualified to comment on > the orientations the VW flat-four engine has assumed over the years in > its various applications. (BTW, the engine works well whether the > flywheel is mounted on the front or the back :) > > As some on the List have correctly put forth, "front" is the front of > the vehicle into which said engine is ensconced. Thus, the "front" of a > given engine is whichever end is pointing to the front of the vehicle, > and not necessarily the end featuring a certain component. > > In the Vanagon, the front of the engine happens to be the flywheel end, > as it faces front. Conversely, in the Porsche 914, where the engine is > mid-mounted ahead of the transaxle, the front of the engine is the fan > shroud end. > > Cylinder numbering on VW flat-four engines is always the same, as is > firing order. In the offset pairs of opposing cylinders, #1 is closest > to the flywheel, irrespective of engine orientation in the vehicle. As > an aid, the Type 4 engine's sheet metal has the cylinder numbers stamped > into it, but the rule holds true for all VW flat-four mills for > automotive applications, as far as I know. > > For more examples of flywheels on the wrong end of the engine, see Saab > 99/900s, whose flywheel/clutch assemblies were mounted high up front > near the radiator. > > Dan >
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