S2000 Under The Hood S2000 Technical and Mechanical discussions.

vtec control?????????

Thread Tools
 
Old Dec 21, 2003 | 06:43 PM
  #1  
mtm584's Avatar
Thread Starter
Registered User
 
Joined: Oct 2003
Posts: 327
Likes: 0
From: Morganton
Default vtec control?????????

Now i don't know if this is a dumb question or not. I know that they make the v-afc which controls air/fuel. Also vtec timing. Would it be better to bring the vtec point down from 6k to maybe 5.5 or even 5. I know with some hondas it is 5 and others 4.5. Just wondering?
Reply
Old Dec 21, 2003 | 07:54 PM
  #2  
Pinky's Avatar
Community Organizer
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Oct 2000
Posts: 8,644
Likes: 143
From: Chapel Hill, NC
Default

the V-AFC2 controls timing I believe..........though proper knowlege is required to tune...........as for lowering VTEC point. Well if your stock........5,800 or 5,700 is about the lowest I am willing to go. Much lower and your hurting yourself.
Reply
Old Dec 21, 2003 | 08:25 PM
  #3  
hyperpm's Avatar
Registered User
 
Joined: Jun 2002
Posts: 5,396
Likes: 1
Default

It really depends on the mods you have. VTEC crossover for mine is 5500rpm but others can go as low as 5100rpm(ie: abzug's). I/H/E before and after VAFC tuning.
Reply
Old Dec 22, 2003 | 06:04 PM
  #4  
AusS2000's Avatar
Moderator
25 Year Member
 
Joined: Oct 2000
Posts: 30,809
Likes: 15
From: Sydney
Default

Originally posted by Pinky
the V-AFC2 controls timing I believe..........
Incorrect. The V-AFC2 is functionally the same as the V-AFC with more adjustment points and a lead for a knock sensor.
Reply
Old Dec 22, 2003 | 06:06 PM
  #5  
AusS2000's Avatar
Moderator
25 Year Member
 
Joined: Oct 2000
Posts: 30,809
Likes: 15
From: Sydney
Default

You don't just decide on a VTEC point, you tune and see where it is best set.

Mine is currently at 4400!

That's with Comptech SC, 8lbs of boost, E-manage, 440cc injectors, enlarged throttle body and SARD FPR. Good for 214Kw at the wheels.
Reply
Old Dec 23, 2003 | 02:40 AM
  #6  
Subaru2000's Avatar
Banned
 
Joined: Feb 2002
Posts: 2,293
Likes: 0
From: Leeds
Default

Whats that in really money(BHP) Aus2000
Reply
Old Dec 23, 2003 | 12:01 PM
  #7  
AusS2000's Avatar
Moderator
25 Year Member
 
Joined: Oct 2000
Posts: 30,809
Likes: 15
From: Sydney
Default

287 ponies.
Reply

Trending Topics

Old Dec 27, 2003 | 07:31 PM
  #8  
jimknapp's Avatar
Registered User
 
Joined: Oct 2003
Posts: 286
Likes: 0
From: San Diego
Default

MTM,

I don't know how to get your computer to change it. Frankly, I couldn't figure out how to even get my motor (bought from a wrecking yard to put into my race car) to even start, so I threw all the electronics away and now run an Electromotive TEC III. For the V-TEC I use a toggle switch to feed the solenoid 12 volts. I just pull off the line, flip the switch part way through first gear, and then leave it there for the entire run.

Now the motor rarely gets below 6000 rpm during a pass, but we did make one dyno pull from 2000 with the V-TEC on and it really beat the crap out of the car until right about 3800. Then the sucker just took off, kind of like a "pipey", 2 stroke, motocross bike.

Based on that it would seem you could drop it to 4000 and still be "okay", but for the street I think it would be more trouble than you'd like. Probably better to stick with 5000 or so, but then I don't drive my car on the street so have no "real world" experience.

All the best,

Jim
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
fishs2000
S2000 Modifications and Parts
8
Aug 30, 2008 05:45 PM
s2khondaimport
S2000 Under The Hood
1
May 18, 2004 11:29 AM
QCK HNDA
S2000 Talk
7
Nov 1, 2001 04:47 PM
uhear
S2000 Talk
17
Oct 17, 2001 03:43 PM
bobatimez
S2000 Talk
2
Apr 5, 2001 05:28 AM




All times are GMT -8. The time now is 08:30 AM.