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Variable Valve Timing

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Old 29 July 2012 | 01:19 AM
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Hawkeye D's Avatar
Hawkeye D
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From: Aldershot
Default Variable Valve Timing

Hi,

Does my WRX STi Spec D 07/07 have this?

I ask because I think I can hear something when planting it in 5th on the motorway.

I don't notice it in the lower gears, so if it does have VVT, in the lower gears it's there and over in a flash if you see what I mean.

Hope it's that and nothing else? It's a bit hard to describe, but the engine just seems to scream a bit.
Old 29 July 2012 | 01:37 AM
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Yes it does, it's called AVCS. I think its only on the inlet cams though.
Old 29 July 2012 | 01:39 AM
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Hawkeye D
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From: Aldershot
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Active Valve Control System?
Old 29 July 2012 | 01:51 AM
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Originally Posted by Hawkeye D
Active Valve Control System?
Yeah, that's what advances the cam timing.
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