Acura Integra All Integra Except ITR

Vtec Crossover

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Old Jan 3, 2007 | 04:45 PM
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lovebench's Avatar
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Default Vtec Crossover

I got a "noob" question.

Why do some vtec kicks come in different then others?
Some kick in smooth and one really you can hear the kick..

You can really hear the kick: http://youtube.com/watch?v=p0o2bxiTpf0
More of the smoother type: http://youtube.com/watch?v=0Gk0uIwBwsk

Why? I road in a integra with a JDM B18C (he said it was a JDM B18) and it was giving off the "really hear the kick" vtec. I perfer the "really hear the kick"

Pardon the grammar, im in a big rush.
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Old Jan 3, 2007 | 05:22 PM
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doood's Avatar
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Default Re: Vtec Crossover (lovebench)

gsr's have a less pronounced vtec because of their dual stage intake manifold. loud vtec doesnt mean more power.
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Old Jan 3, 2007 | 05:24 PM
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Not only what dude above me said, but uh.. Did he have an aftermarket exhaust? I'm willing to bet he did..and that makes all the difference in the world. I had a '92 eg hatch with a b18c5 swap and tanabe medallion catback and let me tell you, when it hit..you felt it not only pull hard (could've been the cams too) but the noise was TOO damn loud.
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Old Jan 3, 2007 | 06:51 PM
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Default Re: Vtec Crossover (lovebench)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by doood &raquo;</TD></TR><TR><TD CLASS="quote">loud vtec doesnt mean more power.</TD></TR></TABLE>

Ali
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Old Jan 3, 2007 | 06:58 PM
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Default Re: Vtec Crossover (PrinceAli132)

at all depends on what the vtec is meant to do....some are meant for power, other's fuel economy...i heard the less pronounce the vtec the better the tune was, but i am perfectly content on how my vtec engages
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Old Jan 3, 2007 | 07:36 PM
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Default Re: Vtec Crossover (boots)

VTEC doesnt make a sound. the sound is caused by the increase of airflow from the difference in lobe profiles. more aggressive lobe = more airflow = more "kick."

d15b(1.5L sohc) compared to f22c(2.2L dohc) both engines have VTEC.
the f22c flows a lot more air and therefor seems to have more "kick."

VTEC is designed for both power and economy. more power at high rpms, more fuel efficiency at low rpms.

and kicks can only be "heard" if you are chuck norris and are able to break the sound barrier.
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Old Jan 4, 2007 | 02:03 AM
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lovebench's Avatar
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Default Re: Vtec Crossover (PrinceAli132)

Nope, it was all stock. No mods whatsoever. He was selling his car.

Its so damn hard to find a stock GSR. Would you buy an all stock gsr with 207,xxx KM?
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Old Jan 4, 2007 | 06:49 AM
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Default Re: Vtec Crossover (benjaminenjamin)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by benjaminenjamin &raquo;</TD></TR><TR><TD CLASS="quote">VTEC doesnt make a sound. the sound is caused by the increase of airflow from the difference in lobe profiles. more aggressive lobe = more airflow = more "kick."

d15b(1.5L sohc) compared to f22c(2.2L dohc) both engines have VTEC.
the f22c flows a lot more air and therefor seems to have more "kick."

VTEC is designed for both power and economy. more power at high rpms, more fuel efficiency at low rpms.

and kicks can only be "heard" if you are chuck norris and are able to break the sound barrier.</TD></TR></TABLE>

for the most part stock... VTEC "when it hits you feel no pain" (i don't like rap/hip hop but i figured a dead prez reference fit well ) but you contradict yourself there really... you're right, but prooved yourself wrong at the same time... a more agrssive cam design can make a car gain power nearly instantly if designed to do so... it can be done with VTEC or it can be done with out, it's just with VTEC you can make effective use of low RPM's and high... if you're pulling in more air and the cars getting louder, and starts accelerating faster instead of slowing doesn't that mean more HP? with a proper ratio doesn't more air = more power? cause if not why am i wasting my time with turbos and superchargers? (it's just stock VTEC crossovers are not ment to generate a "kick" they're ment to have a smooth transition)
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