Better With Synchro-Rev Off?

rmorrow · 11-03-2010, 08:42 PM

Well,
Maybe its not my imagination then...I tried it with SRM on, SRM off, SRM on and VDC off, and SRM off/VDC off. The 1st to 2nd shifts were smoothest with SRM and VDC off, followed by SRM off and VDC on. By the way, I am 50 years old, I do not street race or get crazy, and I know better than to lose the protection afforded by VDC when road conditions are adverse. Some of you young guns were dining on Gerber with diapers on when I was driving a column-mounted three speed! Anyone try one of those animals?

IDZRVIT · 11-03-2010, 09:07 PM

3-on-the-tree! Yeah, I remember driving a few of those. Talk about a long throw shifter!

Mt Tam I am · 11-04-2010, 02:34 AM

Quote:

Originally Posted by rmorrow

Well,
Maybe its not my imagination then...I tried it with SRM on, SRM off, SRM on and VDC off, and SRM off/VDC off. The 1st to 2nd shifts were smoothest with SRM and VDC off, followed by SRM off and VDC on. By the way, I am 50 years old, I do not street race or get crazy, and I know better than to lose the protection afforded by VDC when road conditions are adverse. Some of you young guns were dining on Gerber with diapers on when I was driving a column-mounted three speed! Anyone try one of those animals?

I'm not young but I still have my old 1953 Chevy Bel Air with three on the tree. I am the second owner.

brakedrift12 · 11-04-2010, 11:32 AM

yeah~ I also noticed having srm off is much smoother compared to having it on

btw if u want smoother shift try to shift ur 1st to 2nd gear somewhere lower then 2500. well it works

rmorrow · 11-04-2010, 08:58 PM

Brakedrift,
You are correct that the shift at lower RPM's is smoother from 1 to 2. Seriously (this is true)...a little bitty smart-car pulled up beside me at a stoplight. I was already POed because I pulled one of those "whiplash" 1 to 2 shifts at the previous light. The driver was a a HUGE fur-trader who leaned over to kiss her female domestic partner, who was also a two-ton tussie. Collectively, there was probably 400+ pounds of fur-trading females in this little car. When I took off at the light, I went into the "shift at low RPM's" mode between 1 and 2 and watched the smart car leave me in the dust. Such an event creates an aversion to low RPM 1 to 2 shifts. I bet the heavyweight chicks were laughing their ****S off as they licked each others eyebrows...

AllForTheCash · 11-04-2010, 10:47 PM

Quote:

Originally Posted by rmorrow

Well,
Maybe its not my imagination then...I tried it with SRM on, SRM off, SRM on and VDC off, and SRM off/VDC off. The 1st to 2nd shifts were smoothest with SRM and VDC off, followed by SRM off and VDC on. By the way, I am 50 years old, I do not street race or get crazy, and I know better than to lose the protection afforded by VDC when road conditions are adverse. Some of you young guns were dining on Gerber with diapers on when I was driving a column-mounted three speed! Anyone try one of those animals?

VDC Off gives you smooth shifts...People don't believe me when I say it!

(My SRM is always off, but on previous cars the VDC made a difference)

optiontrader · 11-05-2010, 12:35 AM

Maybe I'm missing something, but if VDC doesn't sense wheel slippage while your shifting (shouldn't, if you're doing it right), it won't activate. Shouldn't be a difference if it's on or off while changing gears?

Does the VDC engage (light up) when anyone shifts from 1st to 2nd in here?

ramZ1089 · 11-05-2010, 05:06 AM

I've noticed that my shifts are smoother with SRM off also. I think it's because it takes the rpm longer to drop with SRM on. Tough decision...smoother shifts or SRM downshifting for you.

AllForTheCash · 11-05-2010, 10:22 AM

Quote:

Originally Posted by optiontrader

Maybe I'm missing something, but if VDC doesn't sense wheel slippage while your shifting (shouldn't, if you're doing it right), it won't activate. Shouldn't be a difference if it's on or off while changing gears?

Does the VDC engage (light up) when anyone shifts from 1st to 2nd in here?

No it doesn't, and you are 100% right, but if u look at other car forums (G35driver) you will notice that posts saying VDC off gives your smooth shifts 24/7. (And I have tried this in a porsche 911 as well, traction control off, and the shifts were smoother), for a reason not known to me the shifts in the 6mt are smoother when VDC is off, as you 'feel' for the throttle and clutch to get that smooth shift without the "roughness". As I mentioned previously I turn mine off 24/7 (G35 and 370z)

optiontrader · 11-05-2010, 03:07 PM

Interesting - I'll check this out (only while shifting, mind you - I'll put if back on once the "science project" is complete

).

optiontrader · 11-05-2010, 03:10 PM

Quote:

Originally Posted by ramZ1089

I've noticed that my shifts are smoother with SRM off also. I think it's because it takes the rpm longer to drop with SRM on. Tough decision...smoother shifts or SRM downshifting for you.

I'll need to try this as well. I love SRM on the downshifts, but if it shortens the time for that durn needle to come down to the 2nd gear engage point, I'm all for it.

I almost want to get a cup of coffee and wait for the rpms to drop while driving...

rmorrow · 11-05-2010, 06:58 PM

WOW...
I am really relieved to know that I was not imagining this. There will be times when I use SRM. Most of the time, I am going to be driving with SRM OFF. Thanks much for the feedback folks!

hadokenuh · 06-07-2012, 01:49 AM

Sorry to revive an old thread.

When people talk about "smooth shift", do they mean the car doesn't jerk or the shift lever just glides into gear smoothly?

I am asking because sometimes I find it hard to shift into 2nd, it even makes noise.

Thanks.

ImportConvert · 06-07-2012, 03:16 AM

Fastforward...SRM works great for me and I love it. I have noticed, though, that on a "slow" shift into second, it feels seamless, but the power delivery when I plant my foot back on the gas is not instantaneous. I chalk it up to throttle by wire. The 370Z is worse than most cars I have driven in this regard, but for me to whine about it would be akin to someone who uses their PC only for posting on message boards to whine about it having a dual-core processor instead of a quad-core.

RoshDawg · 06-07-2012, 06:07 AM

No SRM = better upshifts
SRM = better downshifts

I always keep mine on though! Until I want to heel/toe myself and completely mess up, that's when I turn it back on..

11-03-2010, 09:07 PM	#32 (permalink)
IDZRVIT A True Z Fanatic Join Date: May 2009 Location: Halifax Posts: 1,659 Drives: '13 CTS-V, '76 Vette Rep Power: 27	3-on-the-tree! Yeah, I remember driving a few of those. Talk about a long throw shifter! __________________ "America.... still builds rockets!" Vette: 355 cid, 400 rwhp '13 CTS-V Coupe: 6.2L LSA, 556HP

11-05-2010, 12:35 AM	#37 (permalink)
optiontrader Track Member Join Date: Jul 2010 Location: Smog Hell, SoCal Posts: 595 Drives: 40th Rep Power: 16	Maybe I'm missing something, but if VDC doesn't sense wheel slippage while your shifting (shouldn't, if you're doing it right), it won't activate. Shouldn't be a difference if it's on or off while changing gears? Does the VDC engage (light up) when anyone shifts from 1st to 2nd in here? __________________ 40th Anniversary Z - 3M Paint Protection Film, CA Legal Tint! (70/40)

11-05-2010, 05:06 AM	#38 (permalink)
ramZ1089 Base Member Join Date: Oct 2010 Location: SD Posts: 2 Drives: 09 370z 6MT sport Rep Power: 15	I've noticed that my shifts are smoother with SRM off also. I think it's because it takes the rpm longer to drop with SRM on. Tough decision...smoother shifts or SRM downshifting for you. Last edited by ramZ1089; 11-05-2010 at 05:08 AM.

11-05-2010, 03:07 PM	#40 (permalink)
optiontrader Track Member Join Date: Jul 2010 Location: Smog Hell, SoCal Posts: 595 Drives: 40th Rep Power: 16	Interesting - I'll check this out (only while shifting, mind you - I'll put if back on once the "science project" is complete ). __________________ 40th Anniversary Z - 3M Paint Protection Film, CA Legal Tint! (70/40)

06-07-2012, 06:07 AM	#45 (permalink)
RoshDawg Track Member Join Date: May 2011 Location: NM / CA Posts: 981 Drives: '13 911 C2S Rep Power: 15	No SRM = better upshifts SRM = better downshifts I always keep mine on though! Until I want to heel/toe myself and completely mess up, that's when I turn it back on.. __________________ \| EVO X MR \| '11 WRX STI \| 370Z SPRT \| 911 (991) C2S \|

11-03-2010, 08:42 PM	#31 (permalink)
rmorrow Base Member Join Date: Jun 2010 Location: Houston Posts: 79 Drives: 2010 370z Sports MT Rep Power: 15	Well, Maybe its not my imagination then...I tried it with SRM on, SRM off, SRM on and VDC off, and SRM off/VDC off. The 1st to 2nd shifts were smoothest with SRM and VDC off, followed by SRM off and VDC on. By the way, I am 50 years old, I do not street race or get crazy, and I know better than to lose the protection afforded by VDC when road conditions are adverse. Some of you young guns were dining on Gerber with diapers on when I was driving a column-mounted three speed! Anyone try one of those animals?

11-04-2010, 11:32 AM	#34 (permalink)
brakedrift12 Enthusiast Member Join Date: Dec 2009 Location: virginia Posts: 266 Drives: 10 Nissan 370z 4G M6 Rep Power: 16	yeah~ I also noticed having srm off is much smoother compared to having it on btw if u want smoother shift try to shift ur 1st to 2nd gear somewhere lower then 2500. well it works

11-04-2010, 08:58 PM	#35 (permalink)
rmorrow Base Member Join Date: Jun 2010 Location: Houston Posts: 79 Drives: 2010 370z Sports MT Rep Power: 15	Brakedrift, You are correct that the shift at lower RPM's is smoother from 1 to 2. Seriously (this is true)...a little bitty smart-car pulled up beside me at a stoplight. I was already POed because I pulled one of those "whiplash" 1 to 2 shifts at the previous light. The driver was a a HUGE fur-trader who leaned over to kiss her female domestic partner, who was also a two-ton tussie. Collectively, there was probably 400+ pounds of fur-trading females in this little car. When I took off at the light, I went into the "shift at low RPM's" mode between 1 and 2 and watched the smart car leave me in the dust. Such an event creates an aversion to low RPM 1 to 2 shifts. I bet the heavyweight chicks were laughing their ****S off as they licked each others eyebrows...

11-05-2010, 06:58 PM	#42 (permalink)
rmorrow Base Member Join Date: Jun 2010 Location: Houston Posts: 79 Drives: 2010 370z Sports MT Rep Power: 15	WOW... I am really relieved to know that I was not imagining this. There will be times when I use SRM. Most of the time, I am going to be driving with SRM OFF. Thanks much for the feedback folks!

06-07-2012, 01:49 AM	#43 (permalink)
hadokenuh Base Member Join Date: Mar 2012 Location: Houston Posts: 186 Drives: 09 370Z 6MT Rep Power: 13	Sorry to revive an old thread. When people talk about "smooth shift", do they mean the car doesn't jerk or the shift lever just glides into gear smoothly? I am asking because sometimes I find it hard to shift into 2nd, it even makes noise. Thanks.

06-07-2012, 03:16 AM	#44 (permalink)
ImportConvert A True Z Fanatic Join Date: Jun 2010 Location: SWMO Posts: 4,454 Drives: 2019 CX5 GT Reserve Rep Power: 7627	Fastforward...SRM works great for me and I love it. I have noticed, though, that on a "slow" shift into second, it feels seamless, but the power delivery when I plant my foot back on the gas is not instantaneous. I chalk it up to throttle by wire. The 370Z is worse than most cars I have driven in this regard, but for me to whine about it would be akin to someone who uses their PC only for posting on message boards to whine about it having a dual-core processor instead of a quad-core.

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