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variable valve timing or Vtech.
Is Vtech about the same as the old vacumm advance on older cars?
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No,
Ignition timing changes VS variable camshaft movement. |
Shouldn't his 99 S320 have VVT?
-J |
Some really nice (almost tangential) information here
http://en.wikipedia.org/wiki/Variable_valve_timing |
So this means that from factory they are already a performanced cam.Or can timing still be improved for lift and duration?
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It means the computer can change the camshaft timing. A performance cam may still give better performance.
-J |
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