Check this out -- a paper published by the SAE (Society of Automotive Engineers) written by the developers at Toyota (and Yamaha!) of the 2ZZ-GE:
http://www.c7performance.com/resources/2zz_ge_article.pdf
As well as this magazine article about VTEC vs. VVTL-i (circa 2000)
http://www.c7performance.com/resources/vtecvsvvtli.pdf
Steve
http://www.c7performance.com/resources/2zz_ge_article.pdf
As well as this magazine article about VTEC vs. VVTL-i (circa 2000)
http://www.c7performance.com/resources/vtecvsvvtli.pdf
Steve