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Originally posted by nonovurbizniz
and like I said before... I don't think vtec with the exception of the d15 has ANYTHING to do with fuel economy... that's just a trait inherient to a VERY small displacement 4valve/cylinder 4 banger.
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It has everything to do with fuel economy & power. It is a compromise between the two. Without VTEC, the EXs, Sis, etc would be more dogs than they already are.
But you're right. A smaller displacement engine is inevitably going to use less gas than a larger displacement engine. That's just how it works.
Quote:
Originally posted by chase
first off, this is absolutely wrong. second of all, actually cadillac had something similar to vtec way back in the 80's. anyone ever heard of 4-6-8? oh and while we are talking about it, dont forget that toyota has vvt-i and vvtl-i. variable valve timing with intelligence and variable valve timing and lift with intellegence.
do you have a vtec engine in your car? is so, drive it hard, really hard so that you stay in vtec almost all the time, see what your gas mileage goes to.
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VVTI was already mentioned above....
Good luck staying in VTEC all the time. And like I said above, it was designed with the idea of offering good fuel economy and power. I get 24-27 MPG on my Si. And I have a very heavy foot.