hi guys bit of weird one! but i know theres a lot of smart ppl on this forum.
the problem is with my 2001 wrx bugeye uk at 1500k rpm ish it rattles/knocks when it comes under load, above this it's fine,then when coming back down to this rev range it starts again???? coming form back left of engine near turbo, any idea what it could be guys..please????? worn bearings in turbo/cam/crank anyone else suffered this? other than this the cars spo on drives fine boosts well,i'm lost!
cheers in advance

 

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