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It's been a while but I thought the cams with different exhaust lobes were only used with the early heads?
In any case, I wonder if a lot of what you're seeing could be due to overlap. Low compression and low vacuum at idle would fit with that. And a lot of overlap can give an EGR effect that reduces the engine's tendency to knock.
Regardless, I think you need more boost. ;^)
'90 Audi 80 quattro (modded to death), '12 Audi A4 quattro (stock for now)
Gone but not forgotten:
'72 99, '77 99 (became a turbo, twice)
'80 900T 5-door, '81 900T, '86 900S (became a turbo), '86 900 SPG
'86 9000, '97 9000 Aero
A bunch of Audis, '69 Firebird, '64 Toyota Corona (first car, cost $35 and worth every penny)
Be alert... America needs more lerts!
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