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 Originally Posted by B18cEG
Try this, when driving you drop into third, then second, now your slowing down ready to put it into first, while in second push the clutch and rest the gear stick into first position but dont force it in too hard, now just hold it there and give it like a double rev (just tap it a bit) to match the gear speeds and it should kind of fall in place into first, try that then report back to HQ.
NO. please do NOT follow this advice. all you are doing is getting him to match road and flywheel speed.
the whole point, if youd actually READ this thread is that it wont go into first. and it has been explained that this is because it is BAD FOR THE SYCHROS.
all he is going to do by following your advice is screw up his gearbox more.
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 Originally Posted by Mr_will
NO. please do NOT follow this advice. all you are doing is getting him to match road and flywheel speed.
the whole point, if youd actually READ this thread is that it wont go into first. and it has been explained that this is because it is BAD FOR THE SYCHROS.
all he is going to do by following your advice is screw up his gearbox more.
get your facts straight, when he drops geas the revs will raise when shifted into a lower gear, by revving he will match the flywheel to the correct gear speed, but only try if you can do it in the matter of less that a second to do it proper
 = First Production Company To Produce 100HP Per Litre NA
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Sigh - downshifting to first while in motion = bad. Don't do it if you value your gearbox. B18cEG: you aren't even describing double-clutching.
'99 DC2R, '90 BMW E30 318is, '88 CRX
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 Originally Posted by B18cEG
get your facts straight, when he drops geas the revs will raise when shifted into a lower gear, by revving he will match the flywheel to the correct gear speed, but only try if you can do it in the matter of less that a second to do it proper
you are an idiot.
the flywheel speed is not the INPUT SHAFT SPEED which is what is creating the problem here. you obviously have no understanding whatsoever about how a gearbox actually works.
by reving the engine with the clutch out he is only affecting the flywheel speed. in order to change the input shaft speed he needs to be reving the engine in neutral with the clutch out.
the method you describe would fail miserably, because as he has already said, he cant get the gearbox into first easily. try reading next time.
i pity the fool who buys your car/gearbox after you
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 Originally Posted by Mr_will
by reving the engine with the clutch out he is only affecting the flywheel speed. in order to change the input shaft speed he needs to be reving the engine in neutral with the clutch out.
That's what I was wondering when I read it...
How does revving with clutch pressed affect the gear speed?
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 Originally Posted by Yasakani
That's what I was wondering when I read it...
How does revving with clutch pressed affect the gear speed?
youre exactly right, it does. when the clutch is in, the engine is not connected to the gearbox. this is something that b18ceg above us has failed to realise, so all along he's been shoving his gearbox in first and destroying his sychro's wondering why doubling clutching is so 'easy', when in fact he has been overworking both the box and the clutch in the meanwhile. sucks to be him
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I thought B18cEG described rev matching.
So:
clutch in
change to lower gear
blip throttle
clutch out
But I wouldn't rev match to 1st.
To change to 1st and keeping gear box happy, wait till you stop.
End of discussion.
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 Originally Posted by twing
I thought B18cEG described rev matching.
So:
clutch in
change to lower gear
blip throttle
clutch out
But I wouldn't rev match to 1st.
To change to 1st and keeping gear box happy, wait till you stop.
End of discussion.
I thought the whole problem was that the OP couldn't even get his gear stick to go into 1st.
The problem is that the gears are still spinning under its rotational momentum even after you press your clutch in. You can blip your throttle as much as you like with your clutch in, but that won't have any effect on the gears.
That's how I understand it anyway. Correct me if I'm wrong.
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 Originally Posted by twing
I thought B18cEG described rev matching.
So:
clutch in
change to lower gear
blip throttle
clutch out
But I wouldn't rev match to 1st.
To change to 1st and keeping gear box happy, wait till you stop.
End of discussion.
you have not described double clutching. you have described the official 'lets make our gearboxes shit themselves' method.
to double clutch:
depress clutch
shift to neutral
release clutch
rev appropriately to match input shaft speed
depress clutch
select lower gear
release cluch.
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 Originally Posted by Yasakani
I thought the whole problem was that the OP couldn't even get his gear stick to go into 1st.
The problem is that the gears are still spinning under its rotational momentum even after you press your clutch in. You can blip your throttle as much as you like with your clutch in, but that won't have any effect on the gears.
That's how I understand it anyway. Correct me if I'm wrong.
you are completely correct. at least ONE other person here understands.
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 Originally Posted by B18cEG
Try this, when driving you drop into third, then second, now your slowing down ready to put it into first, while in second push the clutch and rest the gear stick into first position but dont force it in too hard, now just hold it there and give it like a double rev(clutch not rev) (just tap it a bit) to match the gear speeds and it should kind of fall in place into first, try that then report back to HQ.
i didn't know what you guys were fussing bout ,misprint. also notice how i said hold it at first position not put it into first, meaning neutral.and when i said just tap it a bit, i mean just tap it a bit quick, no need to hold it in for long
Last edited by B18cEG; 02-09-2007 at 03:07 PM.
 = First Production Company To Produce 100HP Per Litre NA
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 Originally Posted by B18cEG
i didn't know what you guys were fussing bout ,misprint. also notice how i said hold it at first position not put it into first, meaning neutral.and when i said just tap it a bit, i mean just tap it a bit quick, no need to hold it in for long
still reread what you quoted and tell us if it makes sense. from what i can see, you're still telling him to force it into first, only double clutch when you're in first (bunny hop anyone?)
just avoid using first altogether, 2nd is fine for times when you cant get into 1st. just ride the clutch a little more.
Current Performance Modifications to ED6:
not telling, but it involves a semi-quad carb setup, and lots and lots of compression.
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