my friend just bought a 96 ex accord with the f22a? vtec engine, we went for a ride and we couldnt feel or hear vtec kick in..is this normal with accords? thanx

 

Yes, but if you have bolt ons to amplify the engine sound, and lower the VTEC x-over, you can definitely here it.

Will this bring up the VTEC engagement debate on F22B1s again?

Regardless, stock xover is 5250, which is high considering how F22/23 motors have a small powerband.

 

A 96 EX would have to be a F22B-something I think.
There's been quite a bit of debate around here about the F-series VTEC xover. It really seems that the Accord xover is below 3,000 RPM and is really just to make for a smoother idle instead of top end rush.
Many 5th gen owners will swear the xover is above 5,000 RPMs.

 

this is the first time ive been over in this forum and im not trying to start any debates, his car has no modifications so far its bone stock, just wanted to know if that was normal, thanx for the help guys

 

I have a 95 Accord EX and I cannot really hear the crossover either. VTEC does depend on temperature conditions, oil and quite possibly a couple of other things I do not remember. I remember reading everything about it, i'll try and find it.

 

Strange, I can feel it somewhat, but it is at 4000rpm when I feel it.

 

Never once felt VTEC in our 96 EX. I only mash on it maybe 10 times. I was brand new so we took really good care of it. Bone stock. It had get-up-and-go, but couldn't feel anything. Automatic too. Oh well, sold it a while ago.

 

the vtec xover for this car is very mild (xover for type r is aggressive) so you wont actually hear it but rather you kinda feel it. Okay put on an intake and floor it(where theres no one around) and when your rpms start to climb you'll feel a constant trust even in the high rpms range (type r you feel an surging trust in the high rpm range). most domestics are okay in the low end but in the high end they loose their trust, that where we beat them!

 

you shoulb be able to feel the vetec once modifications are made, but because it is a sohc you wont feel it like the dohc

 

Get your *** back to off-topic.

 

Is it documented anywhere when the VTEC is supposed to kick in. I want to feel it in my V6 but this damm break in period is killin me. The engine redlines @6500 so i'd imagine it comes on a 4K or lower but what do i know.

 

All I know is that on the 5th gen 4cyls it's rumored to be 3000, feels like 4000, and is apparently documented at 5250.

 

Rule #1 bish!

 

damn you beat me to it. my VTEC kicks at 4K too.

also I want to say the VTEC band is only 2000RPM wide. not sure where I heard/read/dreamed up this fact but it makes sense that the motor kicks over 4000 and 6000 since the red line is 6500.

I can also say that in every gear I consistenly notice as do my passenger what I beleive to be the VTEC kicking in at 4K. you don't have to strain to hear it at all.

 

mine never kicks in

ohhh i have a non vtec car. that would do it

 

VTEC doesnt always have to "kick" in strongly... some DOHC guys tune their car so the VTEC switchover is very smooth.

 

on 98-02 v-6 accord vtec crossover is at 3500 rpms

 

I have a 95 accord ex, and i fell my vtec kicking in at 4000RPM, but the car actually feels smother after 4000 rpm.


[Modified by accord ex, 5:03 AM 7/21/2002]

 

That's not VTEC. That's your peak torque. The VTEC engagement point is reputed to be at 5250.

Good job at noticing that with your butt-dyno, though.

 

yes but if you look at dyno charts the epeak torque usualy comes close to the VTEC crossover point. so what about that?

I still say that the VTEC engages at 4k on 5th gens

 

Man, I don't know. Someone needs to find out from Honda.

 

Does 4th gen EX come with vtec?

 

no, 5th gens were the first to get VTEC. the first honda to recieve vtec was the nsx back in 1990.

 

OHHHHHHHHHHHHHHH

 

These are correct. I used to think that my vtec kicked in at around 4000 also because the car felt stronger there.
I lowered my crossover point to 3500 RPMs and now I feel and hear it!!
It's not like my tires start spinning out of control or something it just gets a little deeper tone and when accelerating it just seems to pull much easier.
With the Apexi VAFC it tells you exactly when your on the high cam lobe so when I see the Vto on I can feel the difference immediately.
I wonder if someone who just installed their VAFC or maybe if someone wants to initialize their settings would they leave their vtec x-over point factory and see when it says Vto on so we know for sure.