Shifting gears without pressing the clutch
05-09-2007, 09:34 PM
#1
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Shifting gears without pressing the clutch
Can be done.. quite easily i found out.
just rev at the right rpm, or rev and release, then apply soft to normal pressure into the shift **** to push it into gear.
Anyone else try this?
I've done 2nd to 3rd, 3rd to 4th, and 4th to 5th.
NISSAN : SHIFT_CLUTCHLESS
just rev at the right rpm, or rev and release, then apply soft to normal pressure into the shift **** to push it into gear.
Anyone else try this?
I've done 2nd to 3rd, 3rd to 4th, and 4th to 5th.
NISSAN : SHIFT_CLUTCHLESS
05-09-2007, 10:13 PM
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i'm tried it cause my tranny is already f*cked up.
i get my new one this weekend...
it doesn't grind at all as long as you gently shift it into gear
i get my new one this weekend...
it doesn't grind at all as long as you gently shift it into gear
05-09-2007, 10:44 PM
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I did it all the time in my diesel F-250 with no ill effects. Of course with an engine that revs to 3750 and a tranny that probably weighs as much as our motor im pretty sure its a different story.
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05-10-2007, 12:31 AM
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lolol.
it's called power shifting. don't want to keep the revs at the same place, but you want the input shaft's speed relatively at the same speed as the next gear you want for a seamless transition. then again... you are going through synchros by powershifting.
it's called power shifting. don't want to keep the revs at the same place, but you want the input shaft's speed relatively at the same speed as the next gear you want for a seamless transition. then again... you are going through synchros by powershifting.
05-10-2007, 05:45 AM
#10
This is a common technique actually. Some transmissions take better to it than others. A good friend of mine is very good at it. Rev matching correctly is critical to get it right, as far as I understand it and from what my friend told me. He did it very well on a 3000GT VR4 and a WRX and owning a WRX before myself I can tell you it's not easy to do it on that ancient transmission. I imagine you do shock the gears a bit when doing it. It's pretty hard to get the shaft speeds to match up perfectly without any other help from the clutch.
Personally, I use the clutch for what it's there for. If it wears out faster, so be it. Replacing it is MUCH cheaper than replacing the whole gearbox in case you get a little too persuasive during the shift and jam it in. I do drop out of gear without a clutch quite often as that it pretty safe on the internals but going into gear, I'd rather use the clutch personally.
Personally, I use the clutch for what it's there for. If it wears out faster, so be it. Replacing it is MUCH cheaper than replacing the whole gearbox in case you get a little too persuasive during the shift and jam it in. I do drop out of gear without a clutch quite often as that it pretty safe on the internals but going into gear, I'd rather use the clutch personally.
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