Vtec question

[GeoffM]

Does anybody know how/when the Vtec will kick in on a K24a1?
From what I remember the H22 kicks in around 5200 rpms. This motor is on an automatic so it's kinda difficult to get it up that high.
http://en.wikipedia.org/wiki/Honda_K_engine#K24A1
2005 AWD CRV.
(By how I mean certain pedal gestures, I.e.floor it.)

[deevergote]

I can't find any concrete info on the crossover point, but from what I'm reading, it seems that the K24A1 has a somewhat neutered version of VTEC, much like the F22B1 and F23A1. If it's like those motors, the crossover is fairly low, and it doesn't really "kick". I've only looked for a couple minutes, though. More research is needed to really understand it. I'm pretty unfamiliar with the K series.

[almostJDM]

yea its true the crv has an "econo" vtec you don't feel it or hear it at all

[GeoffM]

Damn, I was trying it for 2 reasons:
1.Everybody's talking about Vtec, and I want to experience it.
2.She(mom) is complaining of really shitty mileage and I thought maybe Vtec was stuck on. It's probably just her transition from an Accord to an SUV.

[deevergote]

Most likely. The Accord gets better gas mileage than the CRV.

The VTEC engines in anything but the performance cars are nothing special. I have i-vtec in my Fit, and there's no crossover to be felt at all (though i-vtec is quite different from regular VTEC)

You're actually not supposed to feel the crossover. Most VTEC engines have the crossover set high so people can feel it... because it sells cars. The H22 is set at about 5200, but 4800 is optimal.

[evil_demon_01]

Does anybody know how/when the Vtec will kick in on a K24a1?

I-Vtec Implements the I - Intelligent Vtec

In saying that the Vtec cross over is constantly modified depending on engine load and RPM.

A full throttle load, will have a crossover at 3800rpm, However it is also progressive in that The VTC actuator adjusts.

You don't "Feel" the Vtec kick on K24's because it is progressive and new car owners don't want a "Kick".
Being able to feel the crossover doesn't make it any quicker, or create more power.
If you want to confirm Vtec operation, take it to a Honda Dealer.

[deevergote]

I thought the K24A1 wasn't an i-vtec engine. Are all K series i-vtec?

I know the L series went from regular VTEC to i-VTEC between the 1st gen Fit and the 2nd gen.

[evil_demon_01]

I thought the K24A1 wasn't an i-vtec engine. Are all K series i-vtec?

I know the L series went from regular VTEC to i-VTEC between the 1st gen Fit and the 2nd gen.

Hmm, Ours are all I-Vtec. Your market may be different though.
First gen Jazz (Fit) had I-DSI and No Vtec . . .

[HappyGilmore]

I don't think there isn't a newer Honda engine that doesn't have some kind of i-VTEC system in it (with the few exceptions albeit Hydrogen and Diesel engines). Deff going to go look this up.

[blizzard335]

The K24a in the RB1 (Absolute) doesnt have any 'kick' just linear pull, albeit at around 4000 rpms, it gets stronger.

the K20a in the CL7R, however, still has that old school kick and banshee wail around 5500rpm

[vietkid_2006]

I know the K20Z3 has I-VTEC and it has the kick not as much as the H22a but almost comparable.

[HappyGilmore]

I test drove a 2011 Civic Si...I am not a civic guy really and wanted to test out the new V6 Accord, but drove the Civic instead and was rather impressed

[deevergote]

The K24a in the RB1 (Absolute) doesnt have any 'kick' just linear pull, albeit at around 4000 rpms, it gets stronger.

the K20a in the CL7R, however, still has that old school kick and banshee wail around 5500rpm

Yeah, my Fit wakes up at 4000. No kick, but it feels like it actually WANTS to move for once!

I test drove a 2011 Civic Si...I am not a civic guy really and wanted to test out the new V6 Accord, but drove the Civic instead and was rather impressed

In terms of size, power, and refinement, the Civic has basically replaced the Accord. A new Civic is in the same spot of Honda's lineup that the Accord was in the 90s.

[GeoffM]

If you want to confirm Vtec operation, take it to a Honda Dealer.

Or I could ask around on here; and go to her with a concrete answer and make myself sound really smrt.

It's difficult to describe, but I might have been able to feel it in some of the different pedal variations I was using.

For example: I going about 45 at 2500(?) revs. I put my foot down a little, I sped up A LOT and the revs didn't move.

[HappyGilmore]

In terms of size, power, and refinement, the Civic has basically replaced the Accord. A new Civic is in the same spot of Honda's lineup that the Accord was in the 90s.

Very true as the Accord has become very big from which it came. I still have yet to test drive a TSX or a TL.