-
Grand Future Air Dried Beef Dog Food

Carnivore Diet for Dogs

Air Dried Dog Food | Real Beef
Go Back   Automotive Forums Car Chat > Honda > Civic | CRX > '88 - '91 Civic | CRX | Wagon | Shuttlee
Register FAQ Community
'88 - '91 Civic | CRX | Wagon | Shuttlee Partnership with: LadyNRedSi.com
Reply Show Printable Version Show Printable Version | Subscription Subscribe to this Thread
 
Thread Tools
  #1  
Old 08-08-2002, 11:51 AM
mellowboy's Avatar
mellowboy mellowboy is offline
Amy dragged me here...
 
Join Date: Dec 2001
Posts: 7,537
Thanks: 4
Thanked 0 Times in 0 Posts
Send a message via Skype™ to mellowboy
Question for the ppl that has v-tec

Ok when go on a highway...is it bad to drive with the v-tec on all the time?
Reply With Quote
  #2  
Old 08-08-2002, 12:02 PM
YellowMaranello's Avatar
YellowMaranello YellowMaranello is offline
AF Enthusiast
 
Join Date: Aug 2001
Posts: 2,228
Thanks: 0
Thanked 1 Time in 1 Post
Send a message via AIM to YellowMaranello
Well, considering that you have to be at or above 4 or 5 thousand rpm for V-TEC to kick in, I wouldn't recommend wasting the gas.
Reply With Quote
  #3  
Old 08-08-2002, 12:30 PM
amy@af's Avatar
amy@af amy@af is offline
Traffic Directing Admin
 
Join Date: Apr 2002
Posts: 7,893
Thanks: 226
Thanked 119 Times in 95 Posts
Send a message via Skype™ to amy@af
it's not gonne hurt anything. however, you'll be "running to stand still". it's like when you shift in low rpms. you slow rather than speed up.

here is a good link to help people understand vtec
v-tec controller

btw: i believe stock honda sets 4800 rpm as it's stock activation point
__________________
"hi! my name is Lady, and i'm a HONDA-holic"

..don't make me send Setanta over in his Waambulance to give you an aloe tissue for your sensitive nose!



*~ ~> USeR GUiDELiNeS*<~ ~*

I <3 the G Ride ~*~ I <3 OLD SKooL
Reply With Quote
  #4  
Old 08-08-2002, 12:43 PM
bracer's Avatar
bracer bracer is offline
AF Enthusiast
 
Join Date: Dec 2001
Posts: 835
Thanks: 0
Thanked 0 Times in 0 Posts
In 5th gear VTEC kicks in @ about 160km/h or so (100mph) I think, maybe even later, well I doesn't "kick in" so hard anymore at that speed . There aren't many location where you can drive 160kmh + 'all the time' and even if you can it woudn't hurt it (my engine even seems to like it )
__________________


WWW.CIVIC4G.COM
Reply With Quote
  #5  
Old 08-08-2002, 02:23 PM
mellowboy's Avatar
mellowboy mellowboy is offline
Amy dragged me here...
Thread starter
 
Join Date: Dec 2001
Posts: 7,537
Thanks: 4
Thanked 0 Times in 0 Posts
Send a message via Skype™ to mellowboy
I understand how v-tec works and all. I just wanted to know if its ok to drive it about 5 grand ( thats when my v-tec kicks in) and stay above 5 grand. I don't care about wasting gas i just care about gettin to my gurls house fast!
Reply With Quote
  #6  
Old 08-08-2002, 02:30 PM
turbosmith turbosmith is offline
AF Newbie
 
Join Date: Aug 2002
Posts: 24
Thanks: 0
Thanked 0 Times in 0 Posts
I think that it is reasonable to assume that the more you push a motor the shorter it's life span. Driving it @ 5000RPM as opposed to 4000RPM is likely worse. How much worse?? Who knows?? Just drive it like ya want to and forget about the rest until.............

God knows I beat the living hell out of this thing. Then again it is a winter beater so.....
__________________
I/H/E
Slipping Clutch

Times coming 8/16/02
Reply With Quote
  #7  
Old 08-08-2002, 06:13 PM
ci5ic's Avatar
ci5ic ci5ic is offline
worlds tallest midget
 
Join Date: Apr 2002
Posts: 6,212
Thanks: 0
Thanked 0 Times in 0 Posts
Boy, am I retarded! I thought V-tech worked completely different than that article said...

for some reason, I always thought that v-tech cams had dual lobe profiles, and that the v-tech solenoid actually shifted the cam over a little bit, causing the valves to be operating on a different cam-lobe profile...
__________________
Reply With Quote
  #8  
Old 08-08-2002, 06:34 PM
amy@af's Avatar
amy@af amy@af is offline
Traffic Directing Admin
 
Join Date: Apr 2002
Posts: 7,893
Thanks: 226
Thanked 119 Times in 95 Posts
Send a message via Skype™ to amy@af
Quote:
Originally posted by turbosmith
I think that it is reasonable to assume that the more you push a motor the shorter it's life span. Driving it @ 5000RPM as opposed to 4000RPM is likely worse. How much worse?? Who knows?? Just drive it like ya want to and forget about the rest until.............

God knows I beat the living hell out of this thing. Then again it is a winter beater so.....
whoa...don't mean to step on your toes but, your car is made to drive at high rpms. there i a reason why stock engine cut-off is 6800. if you mod your car right and then take out the limit restriction...you could tach out at 9000RPM! if honda didn't have performance in mind, they would have never created the EF9 JDM SiR b16. i would never hold a gear in a ford escort

you don't even really hit the powerband until 4500rpm. try holding say 4th gear (that is a nice safe and not scary gear, hehehe) until 4500-5000 and you'll feel your car almost get a second wind. that's the power band. that is why stock v-tec activates at 4800rpm.

if you don't get enough rpm...oil pressure...fuel flow...yada, yada, yada...it is just like shifting in low rpm. it will get sluggish. so if you want to get to your girls house faster...set the vtec to kick in somewhere between 5000-5200. that is the "sweet spot"

shoooooot, have to hold a gear past 4500 if you want to catch me...muhaahaaha :evillaugh

ami
__________________
"hi! my name is Lady, and i'm a HONDA-holic"

..don't make me send Setanta over in his Waambulance to give you an aloe tissue for your sensitive nose!



*~ ~> USeR GUiDELiNeS*<~ ~*

I <3 the G Ride ~*~ I <3 OLD SKooL
Reply With Quote
  #9  
Old 08-08-2002, 09:33 PM
turbosmith turbosmith is offline
AF Newbie
 
Join Date: Aug 2002
Posts: 24
Thanks: 0
Thanked 0 Times in 0 Posts
Quote:
Originally posted by LadyNRedSi


whoa...don't mean to step on your toes but, your car is made to drive at high rpms. there i a reason why stock engine cut-off is 6800. if you mod your car right and then take out the limit restriction...you could tach out at 9000RPM! if honda didn't have performance in mind, they would have never created the EF9 JDM SiR b16. i would never hold a gear in a ford escort

you don't even really hit the powerband until 4500rpm. try holding say 4th gear (that is a nice safe and not scary gear, hehehe) until 4500-5000 and you'll feel your car almost get a second wind. that's the power band. that is why stock v-tec activates at 4800rpm.

if you don't get enough rpm...oil pressure...fuel flow...yada, yada, yada...it is just like shifting in low rpm. it will get sluggish. so if you want to get to your girls house faster...set the vtec to kick in somewhere between 5000-5200. that is the "sweet spot"

shoooooot, have to hold a gear past 4500 if you want to catch me...muhaahaaha :evillaugh

ami
Well looking at his question "I just wanted to know if its ok to drive it about 5 grand" that has nothing to do with power. We are talking about wear and tear on an engine not acceleration rates at "X" RPM's.

Of course the car makes peak power way later in the RPM range. I believe somewhere around 5900RPM.

Again, the question had nothing to do with power and acceleration rates vs RPM. Hence, my response.
__________________
I/H/E
Slipping Clutch

Times coming 8/16/02
Reply With Quote
  #10  
Old 08-09-2002, 06:27 AM
SiZ's Avatar
SiZ SiZ is offline
AF Fanatic
 
Join Date: Jul 2002
Posts: 2,824
Thanks: 0
Thanked 0 Times in 0 Posts
I have a very short geared S1 tranny on my B16 and when I'm doing 130km/h on the highway (what I generally cruize at) my car is reving at about 4900rpm.. It just takes a touch of the gas to hit VTEC at that speed.

Its not ideal, and its not good on gas, but thats just the way my tranny is geared.
__________________
"The nympho of info, I'm fuckin' what ya heard"
Reply With Quote
  #11  
Old 08-09-2002, 10:52 AM
mellowboy's Avatar
mellowboy mellowboy is offline
Amy dragged me here...
Thread starter
 
Join Date: Dec 2001
Posts: 7,537
Thanks: 4
Thanked 0 Times in 0 Posts
Send a message via Skype™ to mellowboy
Hey my v-tec kicks in at 5 grand. I also have the J1 tranny and i do believe its the longest geared tranny for any b-series v-tec engines? Somebody told me that the v-tec doesn't kick in only when the throttle is fully open? Oh well i guess i'm gonna be goin fast as hell today! Of course i'll becareful i know my limit.
Reply With Quote
  #12  
Old 08-09-2002, 12:31 PM
nawoj nawoj is offline
AF Newbie
 
Join Date: Apr 2002
Posts: 45
Thanks: 0
Thanked 0 Times in 0 Posts
what about those who are rocking the B&M RPM activated switch to turn on vtec?

that would be the same regardless of what gear you are in correct?

so maybe if thats a problem i should also have a cutoff switch if i ever cruize above 4k on the highway?

just a little insigt
Reply With Quote
  #13  
Old 08-09-2002, 03:09 PM
ricodemus ricodemus is offline
AF Regular
 
Join Date: Jan 2002
Posts: 362
Thanks: 0
Thanked 0 Times in 0 Posts
Quote:
Originally posted by ci5ic
Boy, am I retarded! I thought V-tech worked completely different than that article said...

for some reason, I always thought that v-tech cams had dual lobe profiles, and that the v-tech solenoid actually shifted the cam over a little bit, causing the valves to be operating on a different cam-lobe profile...
vtech is a phone

vtec is made by honda
__________________
I'm a lonely male who'll settle for any phony in a ponytail - MCPB

The b16 is in and running strong
Reply With Quote
  #14  
Old 08-09-2002, 03:27 PM
Setanta's Avatar
Setanta Setanta is offline
AF Fanatic
 
Join Date: Nov 2001
Posts: 4,765
Thanks: 0
Thanked 0 Times in 0 Posts
Send a message via ICQ to Setanta Send a message via AIM to Setanta Send a message via Yahoo to Setanta
VTEC (not v-tec or v-tech, it's an anacronym and as such is all caps :finger: ) will not always engage at high RPM. It depends on your speed, throttle position, oil pressure and engine temp. For this reason I'm replacing my throttle body as the TPS had been tampered with giving me a bad dyno curve where it drops off just before activation, rather than being linear. WOT isn't a requirement, but the throttle has to be a fair way open to engage VTEC on a stock ECU. I can build up slowly on the freeway to over the activation point by nursing the throttle and not have it engage. Stock ECU etc. Put the boot in and it engages if all parameters are correct.

Just my take on it
__________________
'99 PY DC2R
'85 BBS BMW E30
RIP '90 JDM EF9 Civic SiR


www.performanceforums.com
Reply With Quote
  #15  
Old 08-09-2002, 03:35 PM
Setanta's Avatar
Setanta Setanta is offline
AF Fanatic
 
Join Date: Nov 2001
Posts: 4,765
Thanks: 0
Thanked 0 Times in 0 Posts
Send a message via ICQ to Setanta Send a message via AIM to Setanta Send a message via Yahoo to Setanta
Quote:
Originally posted by turbosmith
I think that it is reasonable to assume that the more you push a motor the shorter it's life span. Driving it @ 5000RPM as opposed to 4000RPM is likely worse. How much worse??
Factory SiR, 221,000 kilometers on it, not driven gently in general. Regularly lives between 5000 and 8000 rpm. No leaks or burning oil.

Not any worse at all in my experience
__________________
'99 PY DC2R
'85 BBS BMW E30
RIP '90 JDM EF9 Civic SiR


www.performanceforums.com
Reply With Quote
 
Similar Threads
Thread Thread Starter Forum Replies Last Post
looking for a car that has "NISM" on the back? -Davo Cars in General 9 04-19-2009 02:15 PM
Cars for the Cure 2009 Pictures Pastapuck Car Shows 0 02-11-2009 11:45 PM
Looking to buy a Nissan 350Z well i know the place that has it jayz2181 Nissan 350Z/370Z | Infiniti G35/G37 Coupe 1 09-08-2002 07:25 PM
What's the name of the website that has the F&F resin body kit parts? wkma7six Car Modeling 25 08-05-2002 11:34 AM

Reply

POST REPLY TO THIS THREAD

Go Back   Automotive Forums Car Chat > Honda > Civic | CRX > '88 - '91 Civic | CRX | Wagon | Shuttlee


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 10:52 PM.

Community Participation Guidelines | How to use your User Control Panel

Powered by: vBulletin | Copyright Jelsoft Enterprises Ltd.
 
 
no new posts