VVTi
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slowvo wrote:
When did valvetronic start being used?
VVT started because the manufactures said goodbye to those hairdriers that are plumbed into the exhaust and wanted a better way to reduce emissions at startup.
Yes, as it evolved they are used more and more for performance purposes...I agree. Its just not as effective for adding power as the hondas (referring to stock cars here. Yes, i realize boost owns all)Its also funny when people talking about their VVT 'kicking in'
I think when people hit that crossover point, its easier to say **** kicked in, than Damn, my cams just changed over to a much more aggressive profile. -
I've never known the feeling of **** to be a "damn."
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^^stir stir stir^^
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Street racing is bad. Very dangerous
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wannabe wrote:
No I think he just wants other people to race his car because he is scared of it... Who was driving in this video?link removed belongs in protected forums
Damn, your really digging. Is there something your trying to prove or wtf does what you just posted have to do w/ anything? i can take you out in it too on the street tires w/o a seat belt and probably make you piss your pants!
Neither GSR's car nor Kevin's hatch will stay in its own lane under 120mph and personally i wont drive anything on the street @ those speeds on slicks.
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integra_gsr98 wrote:
Ever run a decent time? Tune a car? How about a high comp boosted car? Own one?Didn't think so.
Misinformation spreads when people who have zero knowledge on a subject pretend that they do.EDIT See http://www.honda-tech.com/ for examples.
Al I was doing, tufte, was bringing up the fact that while he might own a High compression boosted car, He doesn't race it on the streets, and when he's at the track he doesn't run decent times for the cars potential. I never claimed to know all, and he talks a lot of shit for someone who can't handle his car. Not saying I can do better, but I'm not the one running my mouth... -
wannabe wrote:
. Not saying I can do better, but I'm not the one running my mouth...Then you shouldn't be talking @ all then.....
The motor is 9.8:1, nothing crazy. When you build a 500whp fwd setup you come find me and we'll take it out on radials and see how you'll push it.
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wannabe wrote:
Al I was doing, tufte, was bringing up the fact that while he might own a High compression boosted car, He doesn't race it on the streets, and when he's at the track he doesn't run decent times for the cars potential. I never claimed to know all, and he talks a lot of shit for someone who can't handle his car. Not saying I can do better, but I'm not the one running my mouth...Define a decent time? The 10th pass out on a STREET tune this year it ran 10.8 @ 136. It's run low 11s more times than you've ever seen the 15s.
Define my potential of my car? What do you know about it? Single stage boost no traction bars, 3 year old tires and 10.8 @ 136 on the 10th pass of the year, fuck thats horrible. Oh then it didn't do it again, but weird, that failing fuel pump completely fucked the tune over on the last weekend. I must really suck.
I've raced plenty of shit on the street, don't care to do it anymore period. Why risk my drivers license, my insurance, MY JOB, or my life. If you knew the back story on that night against the bike's you'd probably be able to talk shit, but I guess you really have no clue.
Go back to running back and forth and stirring shit up between shops because that's about all you are good at.
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I have road in a couple 10/11sec cars as a passenger on the street and driven one or two at some point in time you realize the difference between a 13 sec car, or 15 in your case, and a 10/11 sec cars scare factor for one thing, it inst quite the clockwork you make it out to be...
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wannabe wrote:
and he talks a lot of shit for someone who can't handle his car.granny shifting, not double clutching like he should?:rolleyes:
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wannabe wrote:
I think when people hit that crossover point, its easier to say **** kicked in, than Damn, my cams just changed over to a much more aggressive profile.Part of what you're missing is that most variable valve timing systems don't have a "cross over point". The reason that **** is very pronounced is because it is a dual-cam-profile system - you're either on the hot cam or the cold cam. I don't know if more modern **** systems do cam phasing in addition to the profile-change over (i don't think early **** did that but i'm frankly not an expert or a honda historian
)With a VANOS system, and probably most cam phasing systems, you won't feel any sort of "step function" at all - the motor will just be making more torque than a non-adjustable engine with that cam grind would be at the same RPM and load.
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