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RPM jump when upshifting
Hello guys,
I picked up a 2009 370z touring with Sport Package 6MT 2 weeks ago and am loving it. I came from a G37 sedan with the buggy 7AT so it has been a huge change. I am still pretty new to driving a manual so please bear with me. Like the title says, when I try to upshift from 3-4, 4-5 or 5-6, when I engage the clutch and about the shift, I notice the engine RPM jumps up about 500-1000 rpm. So it goes like clutch in - shift 3 to neutral position - RPM jump - neutral position to 4 - clutch out - gas. Is this normal? Or am I doing anything wrong? Thanks a bunch. Great forum by the way. |
Sometimes the ECU will rev the engine a bit for emissions control but a 1000 rpm jump when up shifting sounds weird. You're off the gas pedal when shifting right?
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Maybe not 1000rpm, more like 500rpm. But yeah I am off the gas pedal when shifting.
It doesn't do it all the time thought. It happens less when I shift faster. So should I shift faster? Or should I go to neutral, then wait a tiny bit, then shift to 4? |
It's synchro rev kicking in. It thinks you're about to downshift. Shift faster.
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That happens to me when the car hasn't warmed up.
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Yeah, that happens to me on 4-5 shift only and it is becuase it thinks I am going down to 3 so the syncro rev match is kicking in. It does not happen a lot but does happen. I think it might have to do with how close you are to the gate of the downshift gear.
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im pretty sure thats the normal thing for syncro rev match to do guys cause it work on upshifts too not just downshifts. mine does this same thing also when i go to upshift, completely normal when you have syncro rev match on.
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I have had this happen will shifting from 4th to 5th and it is just the rev match. I guess the ECU thinks I'm trying to go to 3rd....
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this happens to me sometimes. in my experience its because im very, ever so slightly touching the gas as im clutching in.
try this, completely let off the gas a second before you even engage the clutch and then shift up. i doubt you'll get the RPM uprev. the gas pedal is pretty touchy on our cars |
Ok thanks a lot guys. Such a great forum :)
I'll try to let off the gas a sec before engaging the clutch and see if the rpm jumps. |
Happens on 5-6 sometimes
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I don't apply presure to the stick so it doens't know what gear i want, simply move to N and it blips. Stupid thing. :shakes head: |
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