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11-17-2008, 11:43 AM
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vroom vroom
Drives: lil red 5-door Join Date: Sep 2006
Location: Bangkok, Thailand
Posts: 7,744
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Toyota's latest "valvematic" technology
Interesting bit of news for fellow car geeks, Toyota's newer engines now have an additional valve control system where the valve lift is actually completely controllable. Imagine VTEC/VVTL-i but without the on/off aspect... They even completely get rid of the traditional throttle as they can use the valves for that! The results? 5-10% better fuel efficiency *and* 10% better performance!
http://paultan.org/archives/2007/06/...ic-technology/ And, it's apparently available on the newest ZR type engines such as the xD and Yaris TS use, a head swap could even be possible if the electronics can play nice... Definitely something to look out for!
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