What is the diffrence bettewn the two. I have been looking but i cant find it. Every one i ask said that its the same as vtec ec. its on all the time....but if its on all the time than its not vtec becuase vtec is varible so if its on all the time its not varible. So what is the truth.

 

yeah i wanna know too

i hear the same thing all the time

 

Its Inteligent V-tec (i), its on depending how hard u press on the throttle and some more ****, thats all i know, but those motors are ******* sick man, but i still prefer B-series over it.

 

http://asia.vtec.net/article/ivtec/

That's some info I found on it...

 

the internet is a wonderful thing ya'know.

From Acura's website:

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by www.acura.com &raquo;</TD></TR><TR><TD CLASS="quote">In addition to controlling lift and duration, like other VTEC® systems, the "intelligent" i-VTEC system uses Variable Timing Control (VTC™) to adjust "camshaft phasing." VTC will continuously vary intake timing relative to the engine's exhaust timing. The result of i-VTEC is improved response and enhanced performance at low engine speeds and efficiency across a broad power band.</TD></TR></TABLE>

I believe it's like having an adjustable intake cam gear that the computer can adjust on-the-fly.

And from what I've read and seen, the K-series has ALOT more potential than the B-series. It seems to respond better to both N/A and forced induction mods even better than the B-series does.

 

i can already tell this is going to turn into a battle of the b series and k series

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ..::91TEG-G2::.. &raquo;</TD></TR><TR><TD CLASS="quote">i can already tell this is going to turn into a battle of the b series and k series</TD></TR></TABLE>
lol

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by PatrickGSR94 &raquo;</TD></TR><TR><TD CLASS="quote">I believe it's like having an adjustable intake cam gear that the computer can adjust on-the-fly. </TD></TR></TABLE>

Just like our vtec systems plus this bonus they call VTC. K-series is better due to larger displacement(kinda like a B20vtec), but with a better head design then the B series ever had and probably a better bottom end....plus roller rockers.

 

check out last months honda tuning, they have a huge article about the K series. according to them, the K series in the RSX type-S, and TSX have the most potential because both the engines utilise a 3 lobe camshat like that in a B series, while the other K-series in the civic SI and K24 in the accord are more for economy using a 2 lobe cam shaft. dont know if this has anything to do with the topic.
i guess what im tryin to say is that I VTEC is really only has more potential in the type-s and tsx, it kind of sucks in the other cars

 

It's the future, sooner or later all these B series we are running will eventually crap out(50 years? lol)

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Gerbilo &raquo;</TD></TR><TR><TD CLASS="quote">It's the future, sooner or later all these B series we are running will eventually crap out(50 years? lol)

</TD></TR></TABLE>

Or they will all be sitting in show cars never even being turned over.

 

They are still young, we have only seen the beginning of what is to come. They aren't in that many cars at the moment, but that is how the B series motors were.
I only know one person with a K-series swap and it is not a show car, it spends time at the track too.

 

dude...to me K series is the future but to me B series will alwayz be there. It's like year 2040 and you pop open a your hood to all them k series people and they be like wow....you old school man..B series. and you still spanking on all them K series....believe it or not i had a dream about that...

Anywayz, so to me, the differance that i feel from my gsr to a rsx type s is that the powerband is alot more smooth then my b series. B series usually you will know and feel when v tec hit. Either you heard vtec or feel the pull. but for i-vtec it's just constant. there's no BS like the butterfly vtec on gsr. and **** like that.

 

hey, let's compare a pentium 133 MHz with a P4 3.2 GHz.

yeah, it's the same argument. you guys are talking about a motor that's more than a decade old and comparing with one that's hardly 3 years.

 

mm i have driven both a RSX and my VTi-r umm that is the Acura RSX and a Acura GSR i have to say im rather disapointed at the RSX i read specs that say it has "191" NM of torque and something like 120 KW i cant remember the actually KWatt ratting but anyway they car really pulls weak compared to the GSR i think even thought it produces more torque it is also alot heavier but i heard that the iVtec engines in them are really good, they both nice cars to drive though if i knew how to do it id prolly try swap the engines and sww how it goes though.

 

the i vtec just means it had an automatic adjusting cam gears which adjust them selves through out the whole power band for the ideal cam over lap

and yes k series is much better then b series
head designe flows much better and you can get a lot more power from a k series and the power can be gotten much easyer too

but plz no one get the k20a3 (civic si base rsx) engine
it has what i call fake vtec or i call it gay tech
it has no vtec lobe on the exhaust cam and runs on only 1 intake valfe on low rpm and open all the valves when in vtec. so this engine is made to save gas and is not meant for performance and is not the typical high reving high preformance vtec engine

 

B 'S 4EVER

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 94gsrsedan &raquo;</TD></TR><TR><TD CLASS="quote">B 'S 4EVER</TD></TR></TABLE>

stupid

bump for somewhat good info *unlike others*

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by aznstyler119 &raquo;</TD></TR><TR><TD CLASS="quote">dude...to me K series is the future but to me B series will alwayz be there. It's like year 2040 and you pop open a your hood to all them k series people and they be like wow....you old school man..B series. and you still spanking on all them K series....believe it or not i had a dream about that...

Anywayz, so to me, the differance that i feel from my gsr to a rsx type s is that the powerband is alot more smooth then my b series. B series usually you will know and feel when v tec hit. Either you heard vtec or feel the pull. but for i-vtec it's just constant. there's no BS like the butterfly vtec on gsr. and **** like that.</TD></TR></TABLE>

hmmm... i'll have to try that dream tonight..

 

i gota question, maybe someone can fill me in but:

how well does the K series react to simple mod's, I/H/E? compared to the B series?

like can you get more gain's out of those basic mod's from a K series more than a B series?

or whats the comparison

 

my friend told me that I-vtec is more quite...when vtec is kicked in..

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Spoon-Type One &raquo;</TD></TR><TR><TD CLASS="quote">my friend told me that I-vtec is more quite...when vtec is kicked in..</TD></TR></TABLE>

Well I'm not sure, but then again it would make sense. If the cam profile is constantly adjusting itself, there will be no "crossover" point where it just gets loud. It will either be quiet or loud depending on what exhaust you have? right?

 

hummm...i wouldnt want it to be quite...i love the shound when vtec kickes i wanna hear all of it. IMO whats going to happen is after the K series its gonna be the L series and then the M series. Soon enough its going to be so complicated that people like us cant work on them. Its gonna be like us going and working on a Flat Head V8. It can be good and bad

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by PatrickGSR94 &raquo;</TD></TR><TR><TD CLASS="quote">
I believe it's like having an adjustable intake cam gear that the computer can adjust on-the-fly. </TD></TR></TABLE>

true dat. the intake cam gear will adjust itself to advance, retard