Performance Vtec Sound,Power

hak · 15th June 2008, 14:26

Hi all,

Just put 700 miles on the clock so went off to try the Vtec out for the first time.

Is there supposed to be a noise when it kicks in or a noticable power increase,because i never really noticed anything.

Had it up to about 6-6500 and the rev lights were on and nicely warmed up.

It's a 1.8 type s by the way.

What's everyone else's experience with it ???

PS. my ** has Type "R" Accord and always uses his Vtec.He was surprised also.Is there a major difference between a 1.8 and a 2.0 Vtec,sound etc?

FWH · 15th June 2008, 14:30

The VTEC in the 1,8 is engineered towards fuel economy not power.

There is not supposed to be a "VTEC" power kick or anything like that in the 1,8.

hak · 15th June 2008, 15:01

Ah ok...how silly do i feel

FWH · 15th June 2008, 15:12

Quote:

Originally Posted by hak

Ah ok...how silly do i feel

Don´t worry.

It is a common question.

NoNumpty · 15th June 2008, 16:41

Quote:

Originally Posted by FWH

Don´t worry.

It is a common question.

here is another one

- what is vtec, what does it do/feel like (i'm a diesel owner)

FWH · 15th June 2008, 16:43

Quote:

Originally Posted by NoNumpty

here is another one

- what is vtec, what does it do/feel like (i'm a diesel owner)

VTEC - Civinfo Wiki

2006 Honda Civic 1.8 SOHC i-VTEC engine

HappyMan · 15th June 2008, 16:59

Watch the video it's quite interesting

hak · 15th June 2008, 19:27

Is it ok to drive like a demon and hammer the revs as usual on the 1.8 5-6500 rpm.
Is the engine still gonna take it ok ?

HappyMan · 15th June 2008, 19:44

Quote:

Originally Posted by hak

Is it ok to drive like a demon and hammer the revs as usual on the 1.8 5-6500 rpm.
Is the engine still gonna take it ok ?

My understanding is that the vtec engine loves revs so enjoy yourself

FWH · 15th June 2008, 19:47

Although Honda engine are built to be high reving, the more revs, the more wear. Over time of course.

Orschild · 15th June 2008, 20:25

Maybe it is just in my mind, but I think that you can sense that there is a shift in power when you reach 3500 RPM. However, this may just be because of how the torque curve looks like.

FWH · 15th June 2008, 20:27

Quote:

Originally Posted by Orschild

Maybe it is just in my mind, but I think that you can sense that there is a shift in power when you reach 3500 RPM. However, this may just be because of how the torque curve looks like.

No doubt there is a feeling of more power in the 4000+ area

Unknownsoldier · 15th June 2008, 21:06

There is a boost in power that you can feel, but nothing like the R..... however when driven well the 1.8 is anything but slow..... unlike those clunky diesels

Tom

GHGH · 16th June 2008, 08:22

I use 3rd as default overtaking gear. The car approaches full torque just over 50mph / 80kmh, and keep it to over 80mph / 130kmh. Which is more than sufficient for any legal norwegian conditions...

NoNumpty · 16th June 2008, 08:37

Quote:

Originally Posted by FWH

VTEC - Civinfo Wiki

2006 Honda Civic 1.8 SOHC i-VTEC engine

Cheers for that - so the 1.8 is a SOHC and the 2.0 (type-R) is a DOHC - cool

does the type-R 'kick' when VTEC (lift) is engaged and if so at what revs??

Was woundering why the 2.2 i-CTDi was faster to 62mph then the 1.8

GHGH · 16th June 2008, 08:51

If you normalise the torque curves of the 1.8 and 2.2 (correct them for different max rev) and compare them, you will see that the 1.8 compete with the 2.2 only in the top part of the rev range - so the 1.8 will lose to the simply stronger 2.2 engine.

But then again - no turbo lag and plenty to gears to choose from makes the 1.8 quite fast if you bother to shift down three og four gears

FWH · 16th June 2008, 18:30

Quote:

Originally Posted by NoNumpty

C does the type-R 'kick' when VTEC (lift) is engaged and if so at what revs??

Yes & 5200 rpm.

Says Angie at least:
http://www.civinfo.com/forum/160774-post3.html

COB · 16th June 2008, 18:41

5600 rpm for vtec in type r

angie4m · 16th June 2008, 18:53

Quote:

Originally Posted by COB

5600 rpm for vtec in type r

No its 5200 RPM and thats also quoted by Honda and others on this site. If it was 5600 RPM then there must be a huge gap between 5600 and 6000 RPM as the needle just gets over 5000 rpm then kicks in.

This car also has a lower Vtec point than the EP3 which was about 5600/5800 rpm. 80% of the Vtec in the CTR acutally kicks in at 2000 rpm hence why it seems to want to got like a 'rocket' as my mother says when moving through slow moving traffic but 100% Vtec kicks in at 5200 RPM when the cams change

FWH · 16th June 2008, 18:57

Quote:

Originally Posted by angie4m

No its 5200 RPM and thats also quoted by Honda

Do you have that Honda quote?

15th June 2008, 14:26	#1 (permalink)
hak Valve Cap Join Date: 21st April 2008 Location: Dundee,Scotland Posts: 33 Thanks: 0 Thanked 0 Times in 0 Posts iTrader: (0)	Vtec Sound,Power Hi all, Just put 700 miles on the clock so went off to try the Vtec out for the first time. Is there supposed to be a noise when it kicks in or a noticable power increase,because i never really noticed anything. Had it up to about 6-6500 and the rev lights were on and nicely warmed up. It's a 1.8 type s by the way. What's everyone else's experience with it ??? PS. my ** has Type "R" Accord and always uses his Vtec.He was surprised also.Is there a major difference between a 1.8 and a 2.0 Vtec,sound etc? Last edited by hak; 15th June 2008 at 15:02.

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This thread is about: Vtec Sound,Power, it's in Engines and Transmission at the Honda Civic forum Civinfo; Hi all, Just put 700 miles on the clock so went off to try the Vtec out for the first time. Is there supposed to ...

15th June 2008, 14:30	#2 (permalink)
FWH Super Moderator Civinfo master Join Date: 3rd June 2007 Location: Sweden Posts: 5,346 Thanks: 9 Thanked 48 Times in 43 Posts iTrader: (0)	The VTEC in the 1,8 is engineered towards fuel economy not power. There is not supposed to be a "VTEC" power kick or anything like that in the 1,8.

15th June 2008, 15:01	#3 (permalink)
hak Valve Cap Join Date: 21st April 2008 Location: Dundee,Scotland Posts: 33 Thanks: 0 Thanked 0 Times in 0 Posts iTrader: (0)	Ah ok...how silly do i feel

15th June 2008, 16:59	#7 (permalink)
HappyMan Super Moderator Civinfo guru Join Date: 16th August 2007 Location: Poland Posts: 2,079 Thanks: 14 Thanked 44 Times in 43 Posts iTrader: (0)	Watch the video it's quite interesting

15th June 2008, 19:27	#8 (permalink)
hak Valve Cap Join Date: 21st April 2008 Location: Dundee,Scotland Posts: 33 Thanks: 0 Thanked 0 Times in 0 Posts iTrader: (0)	Is it ok to drive like a demon and hammer the revs as usual on the 1.8 5-6500 rpm. Is the engine still gonna take it ok ?

15th June 2008, 19:47	#10 (permalink)
FWH Super Moderator Civinfo master Join Date: 3rd June 2007 Location: Sweden Posts: 5,346 Thanks: 9 Thanked 48 Times in 43 Posts iTrader: (0)	Although Honda engine are built to be high reving, the more revs, the more wear. Over time of course.

15th June 2008, 20:25	#11 (permalink)
Orschild Locking Wheelnut Join Date: 7th January 2008 Location: Sweden Posts: 171 Thanks: 3 Thanked 2 Times in 2 Posts iTrader: (0)	Maybe it is just in my mind, but I think that you can sense that there is a shift in power when you reach 3500 RPM. However, this may just be because of how the torque curve looks like.

15th June 2008, 21:06	#13 (permalink)
Unknownsoldier Comedian/Smart Ase Civinfo guru* Join Date: 22nd September 2007 Location: Kent, UK Posts: 2,446 Thanks: 54 Thanked 26 Times in 24 Posts iTrader: (0)	There is a boost in power that you can feel, but nothing like the R..... however when driven well the 1.8 is anything but slow..... unlike those clunky diesels Tom

16th June 2008, 08:22	#14 (permalink)
GHGH Supporter Magic Rear Seat Join Date: 13th March 2007 Location: Trondheim, Norway Posts: 943 Thanks: 0 Thanked 0 Times in 0 Posts iTrader: (0)	I use 3rd as default overtaking gear. The car approaches full torque just over 50mph / 80kmh, and keep it to over 80mph / 130kmh. Which is more than sufficient for any legal norwegian conditions...

16th June 2008, 08:51	#16 (permalink)
GHGH Supporter Magic Rear Seat Join Date: 13th March 2007 Location: Trondheim, Norway Posts: 943 Thanks: 0 Thanked 0 Times in 0 Posts iTrader: (0)	If you normalise the torque curves of the 1.8 and 2.2 (correct them for different max rev) and compare them, you will see that the 1.8 compete with the 2.2 only in the top part of the rev range - so the 1.8 will lose to the simply stronger 2.2 engine. But then again - no turbo lag and plenty to gears to choose from makes the 1.8 quite fast if you bother to shift down three og four gears

16th June 2008, 18:41	#18 (permalink)
COB Supporter Wheelnut Join Date: 14th April 2008 Location: St Albans Posts: 96 Thanks: 0 Thanked 1 Time in 1 Post iTrader: (0)	5600 rpm for vtec in type r