Nissan 370Z Forum

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-   -   Better With Synchro-Rev Off? (http://www.the370z.com/nissan-370z-general-discussions/27138-better-synchro-rev-off.html)

asdfsammich 06-08-2012 07:35 PM

You guys rev matching (no SRM) with the stock pedals? If yes, which pedal gets the heel and which one gets the toe? I find the pedal placement in the Z kinda tough to work with.

370Z Purist 06-08-2012 07:45 PM

Quote:

Originally Posted by asdfsammich (Post 1761926)
You guys rev matching (no SRM) with the stock pedals? If yes, which pedal gets the heel and which one gets the toe? I find the pedal placement in the Z kinda tough to work with.

Have you heard of fatfooting? That's what I do.

Lemers 06-08-2012 07:50 PM

I turn it on I turn it off I notice no difference. I guess I just know how to shift.

buddyZ 06-08-2012 08:06 PM

god im so pissed i didnt get the sport package.

shadoquad 06-08-2012 08:24 PM

Quote:

Originally Posted by buddyZ (Post 1761994)
god im so pissed i didnt get the sport package.

lol not sure if serious.

kenchan 06-08-2012 11:08 PM

Quote:

Originally Posted by asdfsammich (Post 1761926)
You guys rev matching (no SRM) with the stock pedals? If yes, which pedal gets the heel and which one gets the toe? I find the pedal placement in the Z kinda tough to work with.

on street you can just do a ball of foot on the brake + side of foot on throttle pedal. in fact i do this on most of my cars (less z since i use SRM) unless im really on the brake and swing the heel around to setup the turn.

Lemers 06-08-2012 11:24 PM

Quote:

Originally Posted by buddyZ (Post 1761994)
god im so pissed i didnt get the sport package.

I didn't get the sport for the rev matching I got for the cool wheels and spoiler.

asdfsammich 06-08-2012 11:40 PM

Quote:

Originally Posted by kenchan (Post 1762346)
on street you can just do a ball of foot on the brake + side of foot on throttle pedal. in fact i do this on most of my cars (less z since i use SRM) unless im really on the brake and swing the heel around to setup the turn.

Ah ok, I'll give that a go.

binary0x01 06-15-2013 03:09 AM

I thought I was going insane. But I've been driving on/off VDC and VCD=OFF gives way smoother shifts, night and day difference.

I know it sounds nuts, but I don't care, it is true because I've tested it for a week straight.

scope22 06-15-2013 07:21 AM

Quote:

Originally Posted by ImportConvert (Post 789120)
I liked SRM on my test-drive. No problem at all, unless you count that I have a wierd quirk where I wiggle the shifter when coming to a stop to make sure it isn't in gear. This drives SRM crazy. I learned to drive stick on my cam/head/full bolt-on 5.0 with a TKo500/Hurst and 4.10s with a 3.27 first gear. If it was in gear when you came to a stop, it wouldn't really stall, even with the huge cam--at least not before it lurched 10-20 feet. Made me paranoid.

1-2 in the 'vert SUCKED, but 1-2 in the hard-top I drove was great. The seat in the 'vert wouldn't go back far enough to accomodate the clutch pedal/me. I'm only 5'10.5" I thought this was wierd...

Yea that made big difference for me, i'm tall so if i dont push the seat back all the way i keep giving too much gas and shifting sucked, its hard to get smooth shifts on this car unless you're at 5k rpm, comming from muscle cars we're used to shifting at low rpms to save gas and with high tourqe

scope22 06-15-2013 07:24 AM

Quote:

Originally Posted by binary0x01 (Post 2364284)
I thought I was going insane. But I've been driving on/off VDC and VCD=OFF gives way smoother shifts, night and day difference.

I know it sounds nuts, but I don't care, it is true because I've tested it for a week straight.

I agree 100%, i also think that this car learns how you drive and adjusts, when you turn on VDC after a while it seems like it didn't make any difference then over time its starting to suck, then you turn it back on and its all good again...at least it seems that way to me, especially iwth 1st gear

juld0zer 01-18-2015 09:03 AM

sorry to jumpstart this thread again but ever since i got my Z, the SRM doesnt feel anywhere as near as accurate as in the brand new demo cars i drove in the lead up to buyin mine second hand.

If any of you are keen for a little diy tinkering, let me know and ill give more details so we can collect some data here.
My thoughts are:
- Auto transmissions rely on input and output speed sensors to calculate a smooth shift
- Input sensor in our transmission would be the crank angle sensor
- Output speed sensor in our transmission is the one on the left side of the tail end
- If one of these sensors is not sending the right signal in a car with auto trans, sloppy shifts occur.
- My finger has been pointing at the output speed sensor for a while but cost and lack of availability here has put me off buying one and swapping it out.
- There is no SRM diagnostic and no SRM specific DTC so even if this sensor were to fail, all you'd get is S-mode error displayed on the cluster, afaik anyway. If any Nissan gurus have other info, that would be awesome. Maybe Consult has a menu for SRM?
- This is why i rule out my crank sensor because it has never spat a code for it, and the engine runs fine

Skyscraper 01-20-2015 10:59 AM

I love the SRM and always keep it on.

Simply great for downshifting through a corner.

However, when coming to a stop I don't bother to downshift anymore, I just keep it in gear and disengage the clutch when the RPM's approach 1000. I find that with the SRM you just don't get the compression braking to make it worth putting the extra use on your clutch. I'd rather change brake pads than a clutch kit.

njobe89 01-20-2015 11:05 AM

Quote:

Originally Posted by Skyscraper (Post 3086741)
I love the SRM and always keep it on.

Simply great for downshifting through a corner.

However, when coming to a stop I don't bother to downshift anymore, I just keep it in gear and disengage the clutch when the RPM's approach 1000. I find that with the SRM you just don't get the compression braking to make it worth putting the extra use on your clutch. I'd rather change brake pads than a clutch kit.

that's why i never keep it on. mines always off

Driftomodachi 01-20-2015 11:13 AM

I don't have SRM but I love driving my 6mt nonetheless. I will try and add it in the future tho it sounds fun

njobe89 01-20-2015 11:15 AM

Quote:

Originally Posted by Driftomodachi (Post 3086760)
I don't have SRM but I love driving my 6mt nonetheless. I will try and add it in the future tho it sounds fun

i don't think you can add it or if you can it will cost an arm and leg.

kenchan 01-20-2015 12:34 PM

Quote:

Originally Posted by Skyscraper (Post 3086741)
I love the SRM and always keep it on.

Simply great for downshifting through a corner.

However, when coming to a stop I don't bother to downshift anymore, I just keep it in gear and disengage the clutch when the RPM's approach 1000. I find that with the SRM you just don't get the compression braking to make it worth putting the extra use on your clutch. I'd rather change brake pads than a clutch kit.

i use 3rd when coasting to a stop. considering ive NEVER had to change a clutch on a car that i bought new (or used for that matter) i dont think there is any noticeable premature wear.

Driftomodachi 01-20-2015 12:53 PM

Quote:

Originally Posted by njobe89 (Post 3086765)
i don't think you can add it or if you can it will cost an arm and leg.

Not if you can source parts for cheap :) You need the sports package cluster, SRM on/off switch on the shifter bezel, SRM ecu, transmission sensors and harness I would think

kenchan 01-20-2015 12:55 PM

cheaper just to get a throttle volt multiplier to get the throttle latency fixed (or a re-flash for that matter) and blip manually.

i use srm but my other cars have no such feature and i just heel toe.

juld0zer 01-20-2015 01:53 PM

you'd need the whole transmission or at least the tail end of an SRM one. i have a feeling one of the shafts may be slightly different so even if you drilled a hole for the output shaft speed sensor, it may have nothing to give the correct pulse

juld0zer 01-20-2015 01:54 PM

lack of engine braking is largely due to VVEL IMO. i might be wrong

Driftomodachi 01-20-2015 02:07 PM

Nissan pre-wired and pre-rigged a lot of things to save costs. For example, the rear foglight is pre-wired. I'm waiting for someone else to do the conversion. In the meantime I'm here lurking and gathering information :)

Skyscraper 01-20-2015 04:16 PM

Quote:

Originally Posted by juld0zer (Post 3086973)
lack of engine braking is largely due to VVEL IMO. i might be wrong

I think it has more to do with the output shaft of the tranny engaging the flywheel (via the trans shafts and clutch once it's engaged after a downshift) and forcing the engine to rotate faster to match the speed appropriate with the vehicle (or rather, increasing RPM and decreasing vehicle speed until they meet in equilibrium). Since the SRM has already increased the engine speed to the right spot electronically the output shaft does feel the resistance of the engine from the increasing RPM and therefore the vehicle does not slow down any faster than if it had been in neutral the whole time.

Hope that makes sense, almost confused myself a bit there.

mishuko 01-20-2015 06:42 PM

Quote:

Originally Posted by kenchan (Post 3086858)
i use 3rd when coasting to a stop. considering ive NEVER had to change a clutch on a car that i bought new (or used for that matter) i dont think there is any noticeable premature wear.

I like to shift to second so I can hear the revving... it makes me happy :happydance:



=( now i'm getting paranoid before my trip in july that I plan on putting around 4-5k on towards the east coast. :driving:


you and 90st are probably seasoned drivers (i'm sure others are aswell) but for me i'm like... noob to manual so I've probably put my fair share of wear n tear.... guess i'll start looking at a quote for the HDCSC + Master + labour.... me no so good mechanically

njobe89 01-20-2015 07:55 PM

Quote:

Originally Posted by Skyscraper (Post 3087092)
I think it has more to do with the output shaft of the tranny engaging the flywheel (via the trans shafts and clutch once it's engaged after a downshift) and forcing the engine to rotate faster to match the speed appropriate with the vehicle (or rather, increasing RPM and decreasing vehicle speed until they meet in equilibrium). Since the SRM has already increased the engine speed to the right spot electronically the output shaft does feel the resistance of the engine from the increasing RPM and therefore the vehicle does not slow down any faster than if it had been in neutral the whole time.

Hope that makes sense, almost confused myself a bit there.

well that makes sense, after you go :icon14:
Quote:

Originally Posted by mishuko (Post 3087251)
I like to shift to second so I can hear the revving... it makes me happy :happydance:



=( now i'm getting paranoid before my trip in july that I plan on putting around 4-5k on towards the east coast. :driving:


you and 90st are probably seasoned drivers (i'm sure others are aswell) but for me i'm like... noob to manual so I've probably put my fair share of wear n tear.... guess i'll start looking at a quote for the HDCSC + Master + labour.... me no so good mechanically

you should fine. there are a couple of people on here that did 5,000-10,000 mile trips with their Z's with no problems


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