Adjustable cam pulleys

[Lolben91]

Cant find any information on the factory adjustable pulleys, has anyone fiddled around with them? Its quite a minor adjustment but is there any pros/cons to rotating the pulley either which ways?

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On a GTI6 that is

[adam b]

There can be a torque benefit to advancing the timing on standard cams. You have to be very careful, especially if it's been skimmed.

[welshpug]

it may look minor but theres about 4 degrees there at least, which is a big lump in terms of cam timing.

[maxzy]

From my experience, Only 1 Degree in Advance and retard the driver can be detect if they use their car everyday.