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Old 06-29-2003, 09:08 PM   #1
skribflex
 
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new to manual transmission

i am new to manual transmission and would like some input on something. what is the proper way to shift when you are flooring the gas? because i am new i don't quite know what to do yet when the trottle is wide open. everytime i try to shift going at full acceleration, i can't quite seem to let off the gas, press the clutch in, and shift smoothly. any tips or any advice on how i should go along doing this maneuver?
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Old 06-29-2003, 10:13 PM   #2
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Just what's the problem? Are you letting off the gas completely before you press the clutch in, or are you keeping the revs too high while you're pushing the clutch in and changing gear? Sometimes people 'snatch' the gear change when they're flooring it by letting the clutch out too quickly after changing gear.
What car is it that you drive? A high revving, four-cylinder won't be as smooth as a six-cylinder, a low revving V8 etc.
Notice that a smooth gear change gets easier as you move up through the gears e.g. shifting from 1st to 2nd is harder to do smoothly at full throttle than shifting from 4th to 5th.
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Old 06-29-2003, 11:24 PM   #3
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i am learning on our family's subaru wrx. so, 4-cyl turbocharged. you are right, there is less "jerk" in the upper gears. so now my question is, what do i do to solve the jerking in the first two gears. lets say i have the throttle wide open after launching the car from a stop. in first gear, when it's about to redline, should i completely take my foot off the gas and press in the clutch simultaneously? and then the next question is, after i quickly throw the shifter into second gear, should i just drop the clutch again or should i slowly let it off?

i appreciate everyone's help here, as i am much enthused about vehicles in general but am just getting into the auto-world.
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Old 06-30-2003, 10:29 AM   #4
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Flat change it.

Accelerator is flat to the floor. Get you clutch foot ready to stomp the clutch pedal. Hand on gear stick / shifter. As you bring your foot off accelerator quickly, pull the gear shifter into neutral position and as u do that stomp the clutch pedal down. Soon as the clutch is fully pressed, pull the gear stick into the next gear. As u bring the clutch out quickly, stomp the accelerator again.. It should all be done in less then a second..

Thats a flat change

Ps: its hard on your gearbox. So its a good idea not to change gears like that too often

Btw, turbo cars will always have a surge in power after gear change as the turbo spools up again. Doesn't matter if its 4 6 8 or rotary. Unless your running a pissy little turbo and stock boost.
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Old 06-30-2003, 08:41 PM   #5
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skribflex wrote -
"lets say i have the throttle wide open after launching the car from a stop. in first gear, when it's about to redline, should i completely take my foot off the gas and press in the clutch simultaneously? and then the next question is, after i quickly throw the shifter into second gear, should i just drop the clutch again or should i slowly let it off?"

My answer to your first question is yes.
Once you've thrown the stick into the next gear, you want to swiftly yet smoothly let the clutch off while you simultaneously press the gas pedal back in.

Seeing as 57OCK's told you about a 'flat change', I'll tell you about 'racing the gears'.
Basically, you keep the gas pedal pressed in while you change gear very quickly. Stomp on the clutch as you change straight from one gear to the next and then slide your foot off the clutch to let it spring back up again.
You can get away with that technique with a diesel, but I wouldn't recommend it with a 4-stroke engine.
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Old 07-01-2003, 09:08 PM   #6
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Personally when my favorite way to shift is to keep the gas floored and very quickly put in the clutch and shift and let off the clutch again. This should all last less than a 1/10th of a second. Quickness is key the quicker the easier on the tranny. HOWEVER, it is VERY rough on the tranny so don't do it very often.
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Old 07-01-2003, 09:55 PM   #7
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Slavboy1, what did I just say in the post directly above yours?
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Old 07-01-2003, 10:13 PM   #8
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wow, i must say i am scared to try speed shifting (keeping the throttle open). i don't want to smell burning clutch when i stop at a stop light!!!!

well, i would only do that in a race, and we all know no one here races (!!!!!)...

i guess now my next step is to practice this, get the hang of downshifting (that's another story) and then eventually get confident on hills.

im certainly open to tips.

thanks.
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Old 07-01-2003, 11:25 PM   #9
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Hey snoopewite what did i say? If you're gonna complain atleast read what i wrote. In yours it says to reapply the gas after shifting in mine i suggest keeping the gas floored. If you're gonna wine atleast make sure you know what you're complaining about.
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Old 07-02-2003, 02:12 AM   #10
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Quote:
Originally Posted by slavboy1
Hey snoopewite what did i say? If you're gonna complain atleast read what i wrote. In yours it says to reapply the gas after shifting in mine i suggest keeping the gas floored. If you're gonna wine atleast make sure you know what you're complaining about.

I just read both of the posts and snoope said "Basically, you keep the gas pedal pressed in while you change gear very quickly." So he read what he wrote, I read what he wrote, maybe you should read what he wrote. By the way, if you're going to whine, spell it right next time.
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Old 07-02-2003, 01:13 PM   #11
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Quote:
Originally Posted by snoopewite

Seeing as 57OCK's told you about a 'flat change', I'll tell you about 'racing the gears'.
Basically, you keep the gas pedal pressed in while you change gear very quickly. Stomp on the clutch as you change straight from one gear to the next and then slide your foot off the clutch to let it spring back up again.
You can get away with that technique with a diesel, but I wouldn't recommend it with a 4-stroke engine.

So you hit the rev limiter while changing gears. Your making the motor hit fuel cut while its spin at 7,000rpm!!!! You realise the stress that puts on a motor? How much stress in placed on the crank? Extra stress on the clutch too? And on gearbox. "I'll tell you about 'racing the gears'." should be "I'll tell you about 'breaking the gears'."

If your car has a powerglide transmittion, then yes, thats how u change gears cause its designed to change like that. But a standard gearbox??
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Old 07-02-2003, 04:07 PM   #12
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57ock, I didn't say that I recommended "breaking the gears" lol with a car that spins up to 7,000rpm. How is a 'flat change' any better than an orthodox gear change that's done in less than a second? I know that 'double clutching' is necessary for cars with dog boxes, but a 'flat change'?
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Old 07-03-2003, 03:10 PM   #13
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Quote:
Originally Posted by snoopewite
I know that 'double clutching' is necessary for cars with dog boxes, but a 'flat change'?

Double clutch is necessary for cars with a dog box? Thats news to me.
Maybe I should double clutch my dog box too?

Thats the first I've heard of double clutching a dog box.
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Old 07-03-2003, 03:16 PM   #14
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Quote:
Originally Posted by snoopewite
How is a 'flat change' any better than an orthodox gear change that's done in less than a second?

Well with the way you said to do it. I'd twist my crank by hitting the fuel cut every gear change.

I'd prefer not to break anything.
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Old 07-03-2003, 03:45 PM   #15
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1. Why are you two arguing when you're both saying essentially the same thing? I think you're getting confused by different terminology. "Flat change", "racing the gears", in the states it's called speed shifting. Same, same.

2. Snoope, why not do this with a 4-stroke engine? Most diesels are 4-strokes.

3. Ock, what do you mean that's what a Powerglide is designed for? A Powerglide is a two speed automatic transmission, not a manual.

4. Slayboy is basically clueless.

5. Most importantly, why are you even trying to explain all of this to this child anyway? Read the post. He's just learning how to drive a manual trans for crying out loud. He needs to learn to drive normally and get experience before he even attempts to learn this. Why help him tear up Mommy and Daddy's new WRX?
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