I 2nd thatQuote:
I have it on reliable advice that Honda have never had a warrantee claim for any V-TEC engine in the area of the head and/or valve gear. Quite impressive.
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I 2nd thatQuote:
I have it on reliable advice that Honda have never had a warrantee claim for any V-TEC engine in the area of the head and/or valve gear. Quite impressive.
hahaha this thread has become very entertaining..
I will give this a few more posts to come back on topic.
well nones really answered the question yet hehe.. i can only see biased opinions, :roll: lol but from experience VTEC is a far more complex and >ADVANCED< than any other copies :P
na man I disagree (and Agree)Quote:
Originally Posted by Qwooootz
Advanced yes
complex no.
Varable valve timing has been round for years. I might be wrong here but Volvo ( I think ) tried it in the 70's but couldnt make it to production, as useual the Japs copy the Idea and perfect it and put a Paitent on it. Im thinking Honda developed it during the late 80's got it right and put it in production in the early 90's. the way Honda did it was simple. coz of the paitent no one can copy this Idea of a 3rd cam lobe concept so other manufactures are the ones with the complex varable valve timing systems.
I dont know how toyota do it so I cant comment on the original question
Didn't honda implement into their F1 car first? in like 86 or something? I dunno i mix figures up in my head all the time.
maybe the rolla had a 20V under the bonnet ? [those 20V had vari-valve timing too]
hey thankx for that site ! lost it, now i've got it again.Quote:
Originally Posted by crx2gen
Here are some other sites to read :Quote:
Originally Posted by Qwooootz
http://www.motioncars.com/archive/ti...ure19/main.htm
http://www.edmunds.com/news/innovati...9/article.html
IMO, VTEC is better than VVT-i, because there are more aftermarket parts, our gearboxes are well matched & performance overall is better. [otherwise we'd all be drivin' Toyota's right ?!?]
In the end, they are just higher-tech, more efficient & powerful engines despite what marketing strategies they use.
Toyota VVTLi is pretty damn good to tune...
I'd put it on par with Honda DOHC VTEC...
I've tuned both & though a little different the end results are both really good...
That is a well tuned Celica is line ball with a well tuned DC2R.
Infact, bang for your bucks, the Celica actually responds better...
(Using Power FC)
The Toyota 2ZZ engine btw is an exellent engine, closer to the F20C in construction than B or K series engines...
From performanceforums:Quote:
Originally Posted by mo
k3nnis: Can you explain how VTEC feels like when it kicks in? Does it pin you back to the seat a little bit like a turbo?
sejanus: Imagine a incredibly tiny small turbo that for some bizarre reason takes 5500-6000rpm to make boost, and so small that it makes bugger all power, just an increase in noise.
:D :D :D
Incorrect. All are a means to an end, utilising the same principle if we are comparing VTEC and VVTi-L, not the VVTi that your original post uses as a poor man's argument. Comparing VVTi to VTEC is like comparing a B16A to a SOHC VTEC motor. They are nothing alike in principle.Quote:
Originally Posted by Qwooootz
Toda AU covers it nicely.
Doesn't the i-VTEC have variable timing also??
If so shouldn't the VVTL-i be compared to the i-VTEC?
Quote:
Originally Posted by Setanta
okie doki my bad... VTEC VS VVTL-i
Bizze_1 thanks for the links dood gonna read up on em'!