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10-20-2006, 03:30 PM | #17 | |
Drives: 07 Meteorite Metallic Yaris LB Join Date: Jul 2006
Location: USA
Posts: 441
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Quote:
and actually, all engines that use some sort of variable cam timing system like Toyota's VVT-i or Nissan's CVVT, use such a system for the performance benefit, it's there to squeeze a few extra horses out of the engine at high RPMs or hard throttle. Although it may not be as noticable in the VVT-i engine as it is in one of Nissan's CVVT engines (they can advance and retard BOTH the intake and exhaust valve cams) or in Honda's VTEC (of course the added benefit of variable lift.) but it is there for the same reason, it is a much more noticable difference on a Dual VVT-i or a VVTL-i engine, of course. |
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