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Shifting from 1st to 2nd

Personally, I love the RJM clutch pedal. While Spooler is right, it's not necessary, it allows you to modify the pedal feel to something you enjoy. Look for version 3.1+,

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Old 03-17-2020, 08:46 AM   #16 (permalink)
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Personally, I love the RJM clutch pedal. While Spooler is right, it's not necessary, it allows you to modify the pedal feel to something you enjoy. Look for version 3.1+, easier to install and modify.

Prior to that, I had also tried the lighter helper spring, and it is helpful.
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Old 03-17-2020, 09:03 AM   #17 (permalink)
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Quote:
Originally Posted by 2011 Nismo#91 View Post
I must have stalled out the Z about 50 times the first few week I got it. I've driven manuals for the last 22 years from poorly maintained pickups to cheap "sports" cars all with difficult clutches in their own ways. The combination of a bit of cockiness, from said experience, and the light and high engagement point lead to a lot of initial difficultly getting the car to perform how I expected. I got better but would still mess up if not paying enough attention because clutch engagement was more about memory rather then feel.

TLDR
To improve feel I did 3 things.
Lighter helper spring did a little good but not very noticeable.
CSC elimination kit helped with the engagement point a bit.
Heavier clutch spring when I upgraded the clutch helped the most.
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Originally Posted by JLarson View Post
Personally, I love the RJM clutch pedal. While Spooler is right, it's not necessary, it allows you to modify the pedal feel to something you enjoy. Look for version 3.1+, easier to install and modify.

Prior to that, I had also tried the lighter helper spring, and it is helpful.
Great post!! I hope my RJM newest version plus South end clutch/flywheel combo that's waiting in the box for me. Just has a very bland feel for a sports car
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Old 03-17-2020, 09:42 AM   #18 (permalink)
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Quote:
Originally Posted by 2011 Nismo#91 View Post
Heavier clutch spring when I upgraded the clutch helped the most.
mtec?
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Old 03-17-2020, 12:13 PM   #19 (permalink)
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Originally Posted by JLarson View Post
Personally, I love the RJM clutch pedal. While Spooler is right, it's not necessary, it allows you to modify the pedal feel to something you enjoy. Look for version 3.1+, easier to install and modify.

Prior to that, I had also tried the lighter helper spring, and it is helpful.
I guess I am just use to driving cars with difficult lightweight clutches. Nothing more fun than a heavy, light weight, and chattery/grabby clutch to keep you on your toes. Much needed for a turbo car or they just don't last long before they start slipping.
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Old 03-17-2020, 12:16 PM   #20 (permalink)
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Originally Posted by Spooler View Post
I guess I am just use to driving cars with difficult lightweight clutches. Nothing more fun than a heavy, light weight, and chattery/grabby clutch to keep you on your toes. Much needed for a turbo car or they just don't last long before they start slipping.
Absolutely, and the Z is totally driveable with the stock clutch, but if I'm comparing it, there have been other clutches I enjoyed a lot more. I like being able to tweak the height and engagement window of the clutch pedal. For me, the RJM was a pleasant surprise. I didn't expect to like it as much as I did.
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Old 03-17-2020, 03:21 PM   #21 (permalink)
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I driven everything from a 3 on the tree to 18 speeds with a split. I had to be able to jump in and adapt to it. The Z is one of the lightest clutch pedals that I ever felt. First time in it. I pushed the clutch pedal and thought is this thing is even working. I installed the helper spring and it does improve the feel of the pedal. It's still a light pedal tho.
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Old 03-17-2020, 04:56 PM   #22 (permalink)
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Originally Posted by Rusty View Post
I driven everything from a 3 on the tree to 18 speeds with a split. I had to be able to jump in and adapt to it. The Z is one of the lightest clutch pedals that I ever felt. First time in it. I pushed the clutch pedal and thought is this thing is even working. I installed the helper spring and it does improve the feel of the pedal. It's still a light pedal tho.
Drive a Vacuum assited 300zxtt. They were light as a feather. Pump the pedal when the car was off an deplete the booster, you then got the real weight of the clutch. LOL
One of my favorite things about a real 300zxtt.
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Old 03-18-2020, 09:22 AM   #23 (permalink)
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Originally Posted by Rusty View Post
I driven everything from a 3 on the tree to 18 speeds with a split. I had to be able to jump in and adapt to it. The Z is one of the lightest clutch pedals that I ever felt.
Maybe they have fixed it in the newer models. I never had any trouble adjusting to the clutch. The very first engagement was a little different, but after that it was just fine.
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Old 03-18-2020, 09:44 AM   #24 (permalink)
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Quote:
Originally Posted by Rusty View Post
I driven everything from a 3 on the tree to 18 speeds with a split. I had to be able to jump in and adapt to it. The Z is one of the lightest clutch pedals that I ever felt. First time in it. I pushed the clutch pedal and thought is this thing is even working. I installed the helper spring and it does improve the feel of the pedal. It's still a light pedal tho.
Hah, yeah, so true. Recently, another forum member, Bmstitt, let me drive his stock clutch, my first time doing so since August of 2018. After driving my stage 3 + CMAK, I kept slamming his pedal into the floor. Incredibly light.
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Old 03-18-2020, 09:50 AM   #25 (permalink)
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Originally Posted by dave11 View Post
Maybe they have fixed it in the newer models. I never had any trouble adjusting to the clutch. The very first engagement was a little different, but after that it was just fine.
I had no trouble using the stock pedal. I just made it better with the spring.
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Old 03-23-2020, 03:03 PM   #26 (permalink)
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The "jumpiness" is created by a few things.

The Dual Mass flywheel being sprung as well as the clutch causes more drivetrain lash (jumpy #1)
The Stock clutch is a self adjuster which causes a very quick roll over of the diaphragm spring in the clutch (jumpy #2)
The pedal has a assist spring which eases pressure with foot on floor, This is aggravated even more by #1 and #2

If you replace #1 and #2 with a ZSpeed clutch/flywheel package this all goes away

A lot of people blame this on the "Rev Hang" but in reality it really has nothing to due with how the stock clutch drives and also is not because of the heavy flywheel (this is ECM controlled) Old cars used to have "dashpots" on the carb which would slowly bring down the throttle.
The rev hang actually allows quicker shifts to the next gear as the RPMs are matched better.
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Last edited by Joe@ZSpeed; 03-23-2020 at 04:51 PM.
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Old 05-17-2020, 07:58 PM   #27 (permalink)
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Quote:
Originally Posted by Joe@ZSpeed View Post
The "jumpiness" is created by a few things.

The Dual Mass flywheel being sprung as well as the clutch causes more drivetrain lash (jumpy #1)
The Stock clutch is a self adjuster which causes a very quick roll over of the diaphragm spring in the clutch (jumpy #2)
The pedal has a assist spring which eases pressure with foot on floor, This is aggravated even more by #1 and #2

If you replace #1 and #2 with a ZSpeed clutch/flywheel package this all goes away

A lot of people blame this on the "Rev Hang" but in reality it really has nothing to due with how the stock clutch drives and also is not because of the heavy flywheel (this is ECM controlled) Old cars used to have "dashpots" on the carb which would slowly bring down the throttle.
The rev hang actually allows quicker shifts to the next gear as the RPMs are matched better.
Hey Joe, I actually ended up just purchasing a stage 2 quiet clutch and aluminum flywheel from you after asking you for some suggestions. It feels way better so far and I can actually feel the clutch engagement with the CMAK. Once the break in period is over I'll see how the faster shifting is but so far just normal driving it shifts ten times smoother. Starting from a stop has also been greatly improved. All in all I love it and the trans rattle is in my opinion way better than stock, at lower RPMS there is some but at idle with the quiet clutch I can't even hear it where with stock it sounded like someone was making a nuts and bolts smoothie. I will definitely be sending all my buddies your way.
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Old 05-17-2020, 08:07 PM   #28 (permalink)
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Also jeez this thread got derailed, the original issue was when i was in sport mode and shifting from first to second the car would be in second and I would have to wait for what felt like forever for the RPMs to drop in order to release the clutch. Upgrading to a CMAK and an aluminum flywheel has solved my issues the car is way more fun to drive.
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