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-   -   5 spd - Driving without using... (http://forum.e46fanatics.com/showthread.php?t=13047)

core 06-22-2002 01:19 AM

5 spd - Driving without using...
 
the clutch ?!?!?!?! a friend of mine knows how to do this.. anyone here know how it works ? is it good / bad for the car ? pls share any info! :thumbup:

UltimateOne 06-22-2002 01:35 AM

I did it one night in a WRX but its definitely not good to do.

lilherc79 06-22-2002 01:38 AM

how the heck do u do that? jam it in???? lol

UltimateOne 06-22-2002 01:40 AM

Quote:

Originally posted by lilherc79
how the heck do u do that? jam it in???? lol
You have to match the rpms...its pretty kookoo

core 06-22-2002 01:42 AM

i would definetly do it on a loaner lol :D

Amil 06-22-2002 02:01 AM

yeah i do it all the time ...im getting better @ it, try takin it out of gear without the clutch thats the easiest

lilherc79 06-22-2002 02:03 AM

so how exactly do you do this/"???? sounds dangerous. liek grindin ur gears. anyone want to provide a detailed instruction?

Full Time Hit Man 06-22-2002 02:23 AM

You have to know the car pretty well. YOu have to match the rpm when you move into gears. This is what people do when they are driving trucks. The good thing about it is you are easy on the clutch, so no need to change the clutch that often. But you have to use the clutch when you start the car from a stop.

shouldibuy 06-22-2002 02:29 AM

what?
 
how do u match rpm?
can u illustrate w/ example perhaps?

SrCsTc 06-22-2002 03:00 AM

Quote:

Originally posted by Full Time Hit Man
You have to know the car pretty well. YOu have to match the rpm when you move into gears. This is what people do when they are driving trucks. The good thing about it is you are easy on the clutch, so no need to change the clutch that often. But you have to use the clutch when you start the car from a stop.
Most people wear out their clutches in first gear though, so how does this help your clutch last longer?

sycE46 06-22-2002 03:01 AM

At a certain RPM you can pull your shifter out of gear without using your clutch. I did it by accident a couple of times. I've never tried to put it back into gear without the clutch.

neopunk1 06-22-2002 03:41 AM

I do this sometimes with my old Honda. Can only get it to work in 3rd to 5th gears. Yep, rpms matching and u have to know your car very well. Somehow I feel that I abuse my car doing this:thumbdwn:

bender 06-22-2002 05:23 AM

my friend has a 85 jetta that he can do this on... its freakin funny.... hahaha

Dan Wu 06-22-2002 07:02 AM

I've NEVER executed one successfully, but here's the theory behind it...

1) Slipping car out of gear: When your engine load is equal to your tire load, i.e. coasting with your foot off the brake and gas, and when the engine isn't doing too much engine breaking, it's easy to slip your gear back into neutral

2) Rev match: This takes a lot of getting used to. If you're going up 1 gear, then your RPM has to drop accordingly, like if you're going from 3rd to 4th @4,000 rpm, then your engine has to be spinning at ~3,000 rpm or so in order for the gears to line up.

3) Once your rpm matches your wheel speed, it should be possible to slip your shifter into the next gear w/o any resistence or grinding.

In modern day BMWs upshifting w/o using the clutch is damn near impossible since the RPM HANGS regardless of what engine software you're running with for emission purposes, so it would take forever to match RPM before you can shift into the next gear. Down shifting is possible but which is cheaper, your clutch, or a new transmission?

Munich 06-22-2002 07:28 AM

Do it if you want a shorter life for your transmission, besides it's a PITA to be matching RPM's.

Scoot 06-22-2002 08:23 AM

Yes, it's possible, but I don't recommend it unless you want to replace your synchros. Use the clutch!

Mr.Stream 06-22-2002 10:23 AM

I worked at Avis carrental. We "used" those cars really good. I shifted gears without using the cluch. From 2. to 3. and 3 to 4. is the easiest. Its just to let go of the gaspedal and slip it garefully into gear. When its done right, it should feel like you are using the cluch. BUT I DONT RECOMEND IT!!!!!!

BMWintoxication 06-22-2002 10:28 AM

don't know if this is related..

.. when u downshift.. (with clutch) how much more rpm do u add?\
is there like a forgiveable range?... I was told it's 700rpm more..between each gears.. (and it works fine, still need more practice tho.. screw up all the time..)
and as above mentioned.. it's 1000rpm..

damn. I wish I have my car to find out..
can someone try for me??

thanx in advance..

Runurass 06-22-2002 10:43 AM

it's called "Power shifting" :tongue:

deputydog95 06-22-2002 11:10 AM

actually powershifting
 
is then you shift using the clutch....but you never let up on the gas. WOT the whole time. talk about hard on the clutch and tranny. keeps those rpms up though.


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