Timing chain guide rail

[Classic 911]

Hi,

I guess this chain rail is installed the wrong way.

So here’s the question: what will be the consequenses running the engine with the rail this way ?

I am asking because the rail is installed like this in a friends engine that already is in use.

Cheers


This picture is from when the engine was "rebuilt".




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[john walker's workshop]

Just turn it around and carry on.

[Classic 911]

Originally Posted by john walker's workshop

Just turn it around and carry on.

Thank’s for answering John.

The case is that the engine is already in use, hence the question


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[Dpmulvan]

Does it matter?? Could it break? I’d make it right especially if it was my mistake. Parts for these motors are way too expensive. Any failure you’ll get blamed regardless.

[Henry Schmidt]

Installing it backwards might create premature sprocket wear but it's doubtful.

Simple rule of thumb when installing chain rails in early 911 air-cooled engines is:
The long leg points to the nearest sprocket.

[stownsen914]

It's possible to pop off the chain box cover and flip the rail if I'm not mistaken. Can be done at next oil change.

[OSC911]

[QUOTE=

Simple rule of thumb when installing chain rails in early 911 air-cooled engines is:
The long leg points to the nearest sprocket.[/QUOTE]

I’ll remember that little bit of info. Thanks Henry

[john walker's workshop]

Originally Posted by stownsen914

It's possible to pop off the chain box cover and flip the rail if I'm not mistaken. Can be done at next oil change.

Get a new one ready because the retaining tab can break off on removal.