But if you have the space you can put the black top head on the red top block then cut a little of the red cover so the exhaust VVTi will clear. But the extra power 10 HP can also be attributed to the higher CR of 11.5 : 1.
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Exhaust VVRi is more for emissions BUT the manual dual VVTi has better valves bigger buckets and a higher rpm. on the other hand the 1zz yea that was a mistake. :D i am not saying the 2zz is better or the beams is better i just want others to know that the 2zz is not a engine that should be ignore. all and all 503e yea who have even come close to making something on that level. every toyota engine are more advance than other and finish what they are set out to do. while nissan and honda kept their performance line up. yes honda and nissan have stronger motor but is simple toyota stop with performance and went onto economic mode. yes everyone have some vvti as well but toyota have the first dual vvti or cam timing thanks to the 3sge beams aside from that toyota had tvis than ecis or something like that than vvt and then vvti. so the k20 is just a stroke out 2zz for plain fact.
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Vtec was only lift not cam timing the beams was ahead of its time too but the 2zz was the first engine to corporate lift with cam timing the k20 fellow a year later when toyota invented the 2zz to match up with honda b series and it did is job as well as succeeded. The 2zz relies too much on the lift aspect and kills the better part of VVTi.
All affordable cars with lots of the exposure, but it never proved to be anything worthwhile over your standard run of the mill parts. It also wasnt even remotely close to overlooked either, being placed in the Elise should've been enough but it was placed in the Celica, Corolla, and Matrix. The 2zz tech was right on par with the times, maybe even a little behind since the BEAMS accomplished more with less VVT. SR16VE - 200hp out 1.6l :omg: That was a ahead of its time. Hell Nissan held the record for highest stock hp per liter until the S2k F series motor came out. Its def not ahead of its time, Honda and Nissan both had various engines with some kind of VVT at the same time. As well the 2zz could be the last real performance engine toyota will make inline4 wise. Beams are much more expensive than a 2zz now a days btw :D and like i say a 1zz verse a 2zz is a way different animal I KNOW FOR A FACT. The 2zz isn't that terrible it was ahead of its time :D is just that it been overlook by alot of people.
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