Road Racing / Autocross & Time Attack Road Racing / AUTOX, HPDE, Time Attack

how to shift gear w/o using the clutch...

Thread Tools
 
Search this Thread
 
Old Feb 20, 2005 | 05:19 PM
  #1  
EG_93Civic's Avatar
Thread Starter
Junior Member
 
Joined: Sep 2002
Posts: 334
Likes: 0
From: Bay Area, CA
Default how to shift gear w/o using the clutch...

I want to know the proper way of shifting gear w/o using the clutch....i know there are racers out there use this technique to save time. All i know about this technique is controling the rpm....
I've try to search but i dont know what to search under and cant find anything....thanks...
Reply
Old Feb 20, 2005 | 05:37 PM
  #2  
Lo-Buck EF's Avatar
Honda-Tech Member
 
Joined: Oct 2001
Posts: 6,805
Likes: 1
From: building H2 cars, NY
Default Re: how to shift gear w/o using the clutch... (EF_89Civic)

use the clutch. dont rush the shifts. be nice to your gearbox
Reply
Old Feb 20, 2005 | 05:38 PM
  #3  
mattjohnston's Avatar
Honda-Tech Member
 
Joined: May 2002
Posts: 681
Likes: 0
From: grand rapids, mi, usa
Default Re: how to shift gear w/o using the clutch... (EF_89Civic)

You revmatch.

Pull it into neutral, blip blip, and jam into the new gear.

Downshifting in Honda's is easy with no cluch, up, is harder.

Either way unless your 100% perfect everytime those little wussy helical gears are gonna be screamin, and wont last too long.

Thats what big manly straight cut dog gears are for.
Reply
Old Feb 20, 2005 | 06:09 PM
  #4  
Outrun's Avatar
Honda-Tech Member
20 Year Member
 
Joined: Feb 2003
Posts: 9,688
Likes: 88
From: Rancho Relacso, CA, USA
Default Re: how to shift gear w/o using the clutch... (EF_89Civic)

First, learn how to drive so you can save more time in other aspects of your driving. Then try to save more time with your car through weight reduction and setup.

Reply
Old Feb 20, 2005 | 06:22 PM
  #5  
EG_93Civic's Avatar
Thread Starter
Junior Member
 
Joined: Sep 2002
Posts: 334
Likes: 0
From: Bay Area, CA
Default Re: how to shift gear w/o using the clutch... (mattjohnston)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mattjohnston &raquo;</TD></TR><TR><TD CLASS="quote">

Pull it into neutral, blip blip, and jam into the new gear.

.</TD></TR></TABLE>

what you mean by blip blip???

and yea i know i shouldnt rush things, but i just want to know....there's no harm on knowing more techniques
Reply
Old Feb 20, 2005 | 06:41 PM
  #6  
STS_Underdog's Avatar
Junior Member
 
Joined: Mar 2004
Posts: 259
Likes: 0
From: High Point, NC, USA
Default Re: how to shift gear w/o using the clutch... (EF_89Civic)

It's really not all that hard, but it is a lot slower than using the clutch. As you are lifting to start the shift while in gear you can slip the transmission into neutral without the clutch very smoothly. When the falling rpm's of the motor match the rpm's of the flywheel you can just slip it into the next gear. Be aware that if you are wrong about matching rpm's it makes REALLY ugly sounds. Now in a race car with straight cut gears or on a motorcycle clutchless shifting RULES! On a bike you just preload the shifter then roll the throttle off and on quickly. The bike will shift gears like buttah, and way fast too.

On a side note clutchless shifting can be a useful skill to have. I usually don't use the clutch as I roll to a stop, I just slip the trans out of gear. I figure it may save a little wear on the throwout bearing over a couple of years. Also, if you ever break a clutch cable you can still get the car home (or to the pits) at a reasonable speed. YMMV, practice at your (and your transmissions) own risk.
Reply
Old Feb 20, 2005 | 09:15 PM
  #7  
BeavisB16's Avatar
 
Joined: May 2002
Posts: 378
Likes: 0
From: Houston and Corpus Christi, TX
Default Re: how to shift gear w/o using the clutch... (STS_Underdog)

yeah, if your clutch ever goes out you can get it to your destination. It is only a PITA to get the car into first without the clutch, and reverse.
Reply
Old Feb 21, 2005 | 12:09 AM
  #8  
Bambooseven's Avatar
Honda-Tech Member
iTrader: (1)
 
Joined: Jan 2004
Posts: 1,849
Likes: 0
From: Santa Ana
Default

Read Dave Coleman's column (Technobabble) in this month's Sport Compact Car. It tells you how to use that method, and why not to.
Reply
Old Feb 21, 2005 | 04:56 AM
  #9  
FormulaIntegra's Avatar
Honda-Tech Member
20 Year Member
 
Joined: Dec 2003
Posts: 961
Likes: 0
From: North Las Vegas, NV, USA
Default Re: (Bambooseven)

Carroll Smith gives a pretty good description in "Drive to Win". It's actually easier in a street car w/ sychros, as a slight amount of pressure towards the right gear from neutral, will literally suck it in as the revs drop through the correct range. You're not really gaining much edge, though, on a street tranny. I've tried both w/ and w/o clutching (and even double clutching), on the track, and if you've got your shifting down smooth, there isn't really any advantage to shifting w/o. Double clutching, however, is a great way to take care of your tranny, it's just a bitch to get right, till you get used to it.

As Underdog says, it's useful to at least know how to clutchless-shift, even if you don't use it regularly. It can mean the difference between having to drop out of a race early due to a broken clutch line, or duking it out to the end.
Reply
Old Feb 21, 2005 | 08:06 AM
  #10  
JDogg's Avatar
Honda-Tech Member
20 Year Member
 
Joined: Sep 2003
Posts: 5,072
Likes: 2
From: Raleigh, NC
Default Re: (FormulaIntegra)

thats how i usually drive... w/o the clutch.. most of the time i only use it to start off. practice makes perfect.. give me about 20 mins driving damn near any car and i can go up and down through the gears w/o the clutch and not grind a gear or have it make any funny noises.. smooth like butta
Reply
Old Feb 21, 2005 | 08:16 AM
  #11  
chad's Avatar
Moderator
20 Year Member
 
Joined: May 2001
Posts: 12,232
Likes: 5
From: Browns Summit, NC, USA
Default Re: how to shift gear w/o using the clutch... (EF_89Civic)

just did a 3.5 hour enduro WITHOUT the use of the clutch....4th and 5th gear...had to push the car out of the pits to have enough momentum....

it's easy....just gotta know how to dirve
Reply
Old Feb 21, 2005 | 08:36 AM
  #12  
Rain_man's Avatar
New User
 
Joined: Feb 2001
Posts: 1,909
Likes: 1
From: US
Default Re: how to shift gear w/o using the clutch... (chad)

EF_89Civic's next thread topic: My transmission is making funny noises...
Reply
Old Feb 21, 2005 | 10:04 AM
  #13  
ghettoracer's Avatar
Banned
 
Joined: Mar 2001
Posts: 2,637
Likes: 0
From: at last finally back to sweet home, sunny north cali, usa
Default Re: how to shift gear w/o using the clutch... (Rain_man)

http://g-speed.com/pbh/double-clutch.html

old mails i collected from national autox mailing list backing 1994. has all the info. nsxprime has a good article on clutchless shifting. i finally restored PBH/YAHP last month...

Reply
Old Feb 21, 2005 | 02:10 PM
  #14  
austincrx's Avatar
 
Joined: Nov 2004
Posts: 64
Likes: 0
Default Re: how to shift gear w/o using the clutch... (EF_89Civic)

first buy a new transmission, then another, then another, ok, now after about $1500-$2000 you can start to try something that may save you about .1 sec. a lap if done properly.
Reply
Old Feb 21, 2005 | 03:00 PM
  #15  
Bambooseven's Avatar
Honda-Tech Member
iTrader: (1)
 
Joined: Jan 2004
Posts: 1,849
Likes: 0
From: Santa Ana
Default Re: how to shift gear w/o using the clutch... (EF_89Civic)

"...That brings us to the O'Neil shift. Tim O'Neil preaches the gospel of left foot braking at his rally school, but when it comes time to downshift under braking, there is a serious shortage of feet on the pedals. Don't even think you're going to pull off some heel-toe maneuver with your left foot on the brake and clutch. Your orthopedic surgeon will never forgive you.
In detail, an O'Neil shift goes like this: Brake in a straight line, ease off the brakes momentarily, turn the wheel, tickle the brake pedal again to make the front tires bite and get the tail sliding. Then, as you're balancing the slide with the throttle and brake, wait for the precise moment you don't need the throttle to keep from hitting a tree or boulder or driving off a cliff, and feather the throttle for a fraction of a second. In this moment of freedom, slide the shifter up toward the next lowest gear, and roll into the throttle exactly the right amount to bring the shafts into sync as the shifter hits home. Blammo. Just like that you're down a gear and powering out of the corner in a cloud of dirt, gravel and glory without ever touching the clutch.
An O'Neil shift is something you do when winning means more to you then the bills for what you'll break if you don't do it right. I've managed two or three O'Neil shifts in my life, all mere accidents when my overwhelmed cranium forgot to tell my left foot to step on the clutch. At the top of his game, Tim O'Neil used to be able to get it right just often enough that he didn't need a new transmission untill the end of the rally...."
-Dave Coleman
Sport Compact Car
April 2005, Volume 17, No. 04
Reply
Old Feb 21, 2005 | 03:21 PM
  #16  
apexinghonda's Avatar
Member
 
Joined: Mar 2004
Posts: 1,183
Likes: 0
From: Birmingham, Al.
Default Re: how to shift gear w/o using the clutch... (Bambooseven)

Hmmm, reminds me of my 180 mile drive home from Road Atlanta last December when the spring window to my new clutch fractured at a Panoz track day and I drove 180 miles home from Road Atlanta to Birmingham with no clutch. Upshifting is the easy part. Downshifting is where you have to get it right.

Barry H.
Reply
Old Feb 21, 2005 | 03:22 PM
  #17  
FormulaIntegra's Avatar
Honda-Tech Member
20 Year Member
 
Joined: Dec 2003
Posts: 961
Likes: 0
From: North Las Vegas, NV, USA
Default Re: how to shift gear w/o using the clutch... (Bambooseven)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Bambooseven &raquo;</TD></TR><TR><TD CLASS="quote">"...An O'Neil shift is something you do when winning means more to you then the bills for what you'll break if you don't do it right....</TD></TR></TABLE>

...and how many of us on this board fall into this demographic? I mean, on purpose?
Reply
Old Feb 21, 2005 | 07:08 PM
  #18  
EG_93Civic's Avatar
Thread Starter
Junior Member
 
Joined: Sep 2002
Posts: 334
Likes: 0
From: Bay Area, CA
Default Re: how to shift gear w/o using the clutch... (Rain_man)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Rain_man &raquo;</TD></TR><TR><TD CLASS="quote">EF_89Civic's next thread topic: My transmission is making funny noises...</TD></TR></TABLE>

lol..please dont jinks me....
thanks for all the information.....you guy made it seem it's a easy technique to proform...but i know it's not a one chance deal and i get it...So the main idea is to revmatch every time i want to put into a new gear....right?
Reply
Old Feb 22, 2005 | 06:21 PM
  #19  
ewaugh's Avatar
Junior Member
 
Joined: Jul 2004
Posts: 461
Likes: 0
From: Birmingham, AL, USA
Default Re: how to shift gear w/o using the clutch... (apexinghonda)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by apexinghonda &raquo;</TD></TR><TR><TD CLASS="quote">Hmmm, reminds me of my 180 mile drive home from Road Atlanta last December when the spring window to my new clutch fractured at a Panoz track day and I drove 180 miles home from Road Atlanta to Birmingham with no clutch. Upshifting is the easy part. Downshifting is where you have to get it right.

Barry H. </TD></TR></TABLE>

^this is the guy that was drifting a volvo wagon throuhg an autox sourse last weekend. A Volvo with 4 different wheels and I don't want to know how many different colored body panels.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
philkehn
Honda CRX / EF Civic (1988 - 1991)
4
Oct 27, 2006 06:58 AM
superpilun
Road Racing / Autocross & Time Attack
48
Dec 5, 2005 03:33 PM
B and B
Honda Civic / Del Sol (1992 - 2000)
19
Oct 29, 2005 09:54 PM
eMbrace
Acura Integra
26
May 14, 2005 07:47 AM
deeweezy
Drag Racing
4
Mar 17, 2004 08:17 PM




All times are GMT -8. The time now is 09:58 AM.