Question about rev matching

fzgood · 07-10-2013, 03:37 AM

Hi guys. So first I should say that the 370z is my first car w/ a manual. When I got used to using a clutch, I turned off SRM to I could teach myself how to rev match.

After a while, I noticed that when SRM is off, my throttle blips are not as responsive as I would like, but when SRM is on, the engine revs perfectly. I'm perfectly prepared to attribute this disparity to user error, but I have to wonder... is this just a characteristic of the stock car I have to accept or am I doing something wrong?

On a related note, with technology such as SRM, why didn't Nissan equip a lighter flywheel?

Anyway, I don't want this thread to turn into a toxic thread, so I will not respond to Z-bashing.

dP3NGU1N · 07-10-2013, 03:48 AM

Throttle lag is something of a common complaint on the forums. The flywheel is heavy as well. I've found that I need to blip it a little harder than I initially expect in order to get a smooth gear change. After a while you'll have it down to muscle memory and it won't feel as awkward. keep practicing.

luigi90210 · 07-10-2013, 04:16 AM

just use synchrorev match, your car has it, downshifts are just one less thing you have to worry about

dP3NGU1N · 07-10-2013, 05:05 AM

Still something worth learning. Not every car has it - in fact I don't believe ANY other car has it.

G37Sam · 07-10-2013, 05:09 AM

Rev matching manually adds to the driving pleasures of an MT IMO

SS_Firehawk · 07-10-2013, 05:12 AM

Quote:

Originally Posted by dP3NGU1N

Still something worth learning. Not every car has it - in fact I don't believe ANY other car has it.

Porsche stole it (911 and new Boxster/Cayman), BMW (5/6 series) and the new Corvette... It's starting to spread but it's really only being used on the high end performance options with the Porsche's.

alvitdk · 07-10-2013, 07:33 AM

Even the Genisis has it in their R version. When I test drove it without knowing about it, and nobody explained it, I felt stupid like never driven a manual before. Really annoying feature I thought.

Sent via Tapatalk

Sh0velMan · 07-10-2013, 09:29 AM

With electronic throttle control still enabled:

SRM = fast revving because it doesn't use the throttle tables, it directly acts on the throttles

SRM Disabled = uses throttle tables, has processing lag + weird curve in stock table making it much slower to bring up the revs.

Disable ETC and the response is much faster, but even then it's hard to match SRM's speed.

IDZRVIT · 07-10-2013, 10:14 AM

I'm surprised it took so long for any car maker to come up with rev matching. To the OP, I've owned quite a few manuals over the years and never concerned myself with any rev matching per se. I only see a benefit in SRM if you track your car. Remember, SRM=heel and toe except it's done automatically.

fzgood · 07-10-2013, 10:36 AM

Quote:

Originally Posted by Sh0velMan

With electronic throttle control still enabled:

SRM = fast revving because it doesn't use the throttle tables, it directly acts on the throttles

SRM Disabled = uses throttle tables, has processing lag + weird curve in stock table making it much slower to bring up the revs.

Disable ETC and the response is much faster, but even then it's hard to match SRM's speed.

Thanks. This is what I was looking for.

Elan · 07-10-2013, 01:01 PM

Intakes should help throttle response. 3rd gear for me is the most fun to rev match. 2nd and 1st take a second longer on the throttle if at higher speeds. I don't use SRM because well, my Camaro is auto with paddle shifters. To me, that similar enough to SRM rev matching. I like it old school!

But if I am going to the track or corning hard and fast, I will use SRM because while I know how to heel-toe, I am not perfect like SRM is.

SS_Firehawk · 07-10-2013, 01:06 PM

Quote:

Originally Posted by Elan

Intakes should help throttle response. 3rd gear for me is the most fun to rev match. 2nd and 1st take a second longer on the throttle if at higher speeds. I don't use SRM because well, my Camaro is auto with paddle shifters. To me, that similar enough to SRM rev matching. I like it old school!

But if I am going to the track or corning hard and fast, I will use SRM because while I know how to heel-toe, I am not perfect like SRM is.

I'm so confused

CSGLEON · 07-10-2013, 01:19 PM

uhhhg.. trottle lag:/

UNKNOWN_370 · 07-10-2013, 01:26 PM

Siorry bruh... I feel your pain. My first Z was totalled after 9 weeks. Dealing with that is a bitch. I hope it works out for you.

dP3NGU1N · 07-10-2013, 01:35 PM

Was there anything regarding SRM overheating on the track? Or is there literally no difference compared to doing it yourself minus the human error?

07-10-2013, 03:37 AM	#1 (permalink)
fzgood Base Member Join Date: Dec 2012 Location: Orange County, CA Posts: 136 Drives: '13 370z 6MT TS PW Rep Power: 26	Question about rev matching Hi guys. So first I should say that the 370z is my first car w/ a manual. When I got used to using a clutch, I turned off SRM to I could teach myself how to rev match. After a while, I noticed that when SRM is off, my throttle blips are not as responsive as I would like, but when SRM is on, the engine revs perfectly. I'm perfectly prepared to attribute this disparity to user error, but I have to wonder... is this just a characteristic of the stock car I have to accept or am I doing something wrong? On a related note, with technology such as SRM, why didn't Nissan equip a lighter flywheel? Anyway, I don't want this thread to turn into a toxic thread, so I will not respond to Z-bashing.

07-10-2013, 03:48 AM	#2 (permalink)
dP3NGU1N A True Z Fanatic Join Date: Feb 2011 Location: Irvine Posts: 1,682 Drives: 13 PW sport 6mt Rep Power: 18	Throttle lag is something of a common complaint on the forums. The flywheel is heavy as well. I've found that I need to blip it a little harder than I initially expect in order to get a smooth gear change. After a while you'll have it down to muscle memory and it won't feel as awkward. keep practicing. __________________ 35% Hooper Optik \| Takeda Attack CAI \| F.I. HFC \| Hotchkis Sway Bar \| Stillen 24row \| OS Giken Super Lock LSD \| TK Shift Knob \| EVO-R Carbon Diffuser

07-10-2013, 04:16 AM	#3 (permalink)
luigi90210 A True Z Fanatic Join Date: Apr 2012 Location: San Diego CA Posts: 1,103 Drives: Classified Rep Power: 15	just use synchrorev match, your car has it, downshifts are just one less thing you have to worry about IDZRVIT, Vaughanabe13, DEpointfive0 and 4 others like this.

07-10-2013, 05:05 AM	#4 (permalink)
dP3NGU1N A True Z Fanatic Join Date: Feb 2011 Location: Irvine Posts: 1,682 Drives: 13 PW sport 6mt Rep Power: 18	Still something worth learning. Not every car has it - in fact I don't believe ANY other car has it. __________________ 35% Hooper Optik \| Takeda Attack CAI \| F.I. HFC \| Hotchkis Sway Bar \| Stillen 24row \| OS Giken Super Lock LSD \| TK Shift Knob \| EVO-R Carbon Diffuser

07-10-2013, 05:09 AM	#5 (permalink)
G37Sam A True Z Fanatic Join Date: Dec 2008 Location: Dubai, UAE Posts: 1,507 Drives: RB'd G37 Rep Power: 21	Rev matching manually adds to the driving pleasures of an MT IMO __________________ '14 Viper GTS '08 RB'd G37S - Sold

07-10-2013, 07:33 AM	#7 (permalink)
alvitdk Base Member Join Date: Mar 2013 Location: New Braunfels/TX Age: 56 Posts: 140 Drives: 13' Nissan 370Z M6 Rep Power: 12	Even the Genisis has it in their R version. When I test drove it without knowing about it, and nobody explained it, I felt stupid like never driven a manual before. Really annoying feature I thought. Sent via Tapatalk __________________ --------------------------------------------------------------- 13' Nissan 370Z-MT6-PW\| R15%-S35% tint \| Powertrix F20/R25 \| 20% Clutch Spring \|

07-10-2013, 09:29 AM	#8 (permalink)
Sh0velMan A True Z Fanatic Join Date: Jan 2012 Location: Dallas/Ft.Worth Posts: 3,349 Drives: Noisily. Rep Power: 20	With electronic throttle control still enabled: SRM = fast revving because it doesn't use the throttle tables, it directly acts on the throttles SRM Disabled = uses throttle tables, has processing lag + weird curve in stock table making it much slower to bring up the revs. Disable ETC and the response is much faster, but even then it's hard to match SRM's speed. __________________ Buy My Car! \| Build Thread

07-10-2013, 10:14 AM	#9 (permalink)
IDZRVIT A True Z Fanatic Join Date: May 2009 Location: Halifax Posts: 1,659 Drives: '13 CTS-V, '76 Vette Rep Power: 27	I'm surprised it took so long for any car maker to come up with rev matching. To the OP, I've owned quite a few manuals over the years and never concerned myself with any rev matching per se. I only see a benefit in SRM if you track your car. Remember, SRM=heel and toe except it's done automatically. Spikuh, Vaughanabe13 and DEpointfive0 like this. __________________ "America.... still builds rockets!" Vette: 355 cid, 400 rwhp '13 CTS-V Coupe: 6.2L LSA, 556HP

07-10-2013, 01:01 PM	#11 (permalink)
Elan Track Member Join Date: May 2013 Location: Alpharetta, GA Posts: 906 Drives: Airplanes Rep Power: 16	Intakes should help throttle response. 3rd gear for me is the most fun to rev match. 2nd and 1st take a second longer on the throttle if at higher speeds. I don't use SRM because well, my Camaro is auto with paddle shifters. To me, that similar enough to SRM rev matching. I like it old school! But if I am going to the track or corning hard and fast, I will use SRM because while I know how to heel-toe, I am not perfect like SRM is. __________________ 2009 370Z NISMO #477 \| AAM Competition Short Tails \| AAM Competition HFCs \| K&N Typhoon CAI \| Kenwood DPX300U \| Rockford Fosgate PRIME R300-4 \| Rockford Fosgate Punch P165 \| Rockford Fosgate Punch P300-12 \| Polk Audio db1001 \| 15% Tints \| GTR Start Button \|

07-10-2013, 01:19 PM	#13 (permalink)
CSGLEON Base Member Join Date: May 2013 Location: austin Posts: 92 Drives: 12 370z silver Rep Power: 12	uhhhg.. trottle lag:/

07-10-2013, 01:26 PM	#14 (permalink)
UNKNOWN_370 A True Z Fanatic Join Date: Jul 2009 Location: ny'r livn in tx Posts: 8,687 Drives: well over 130m.p.h. Rep Power: 14858	Siorry bruh... I feel your pain. My first Z was totalled after 9 weeks. Dealing with that is a bitch. I hope it works out for you. Zbrah likes this. __________________ Favorite Quote. "I'm not gonna kill you... I'm just gonna Bash Your Face In" Jack Nicholson-"The Shining". 1980

07-10-2013, 01:35 PM	#15 (permalink)
dP3NGU1N A True Z Fanatic Join Date: Feb 2011 Location: Irvine Posts: 1,682 Drives: 13 PW sport 6mt Rep Power: 18	Was there anything regarding SRM overheating on the track? Or is there literally no difference compared to doing it yourself minus the human error? __________________ 35% Hooper Optik \| Takeda Attack CAI \| F.I. HFC \| Hotchkis Sway Bar \| Stillen 24row \| OS Giken Super Lock LSD \| TK Shift Knob \| EVO-R Carbon Diffuser Last edited by dP3NGU1N; 07-10-2013 at 01:38 PM.

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