Who's making the move to STU?

gomer_110 · 06-27-2019, 09:49 PM

Probably just not tightened enough combined with Hoosier grip. Basically, tighten them nice and tight and then tighten them even more.

Brendan · 06-28-2019, 12:02 AM

Quote:

Originally Posted by gomer_110

Probably just not tightened enough combined with Hoosier grip. Basically, tighten them nice and tight and then tighten them even more.

Good to know. The z1 arms are working ok for now, but if I notice anything weird it's good to know there is an option.

First event with the new car is this weekend. The changes from this car to the old one are:

*18k springs up front
*the old 13k that were in front are now out back
*the car sits closer to 27" all around - old car was slightly under 27"
*corner balance is nearly perfect 50% cross weight - experience using scales and less concern over the car not being visibly even on all 4 corners when hard parked
*super sexy turn down exhaust tip

I'm most excited about the new front springs. The old set-up felt nice but the car needed more roll resistance, especially on grippy concrete. My only concern would be additional understeer mid corner but I can always throw the rear sway back on if it comes down to that.

I'm also hoping to have wheels by nationals which should be fun. Thinking about trying out the advans in 275/40r18.

Justint5387 · 06-28-2019, 12:00 PM

You can try a G37 rear bar if the stock rear bar is too stiff for you. My last event in the car was with 1100/850 and it felt pushy still.

gomer_110 · 06-28-2019, 04:28 PM

Quote:

Originally Posted by Justint5387

You can try a G37 rear bar if the stock rear bar is too stiff for you. My last event in the car was with 1100/850 and it felt pushy still.

Just don't run a rear bar.

Hotrodz · 06-28-2019, 07:48 PM

Quote:

Originally Posted by gomer_110

Just don't run a rear bar.

^^^Agreed!

Sent from my SM-G965U using Tapatalk

Zewerr · 06-29-2019, 04:31 PM

I ran with my rear bar disconnected for the first time last weekend. I didn't enjoy the understeer on corner entry, but I did love the additional traction out of the turns. I'll likely remove it completely before the next event.

Brendan · 06-30-2019, 08:37 AM

link and video to my ftd.

Car drove well with the stiffer springs up front. I was happy I didn't forget what I learned in Lincoln before the first car got smashed. I took second to my buddy Kai who won spring nats in his e46 m3. The delta is getting smaller but my driving and the car will need some work before I can challenge him directly.

Understeer on slow speed entry is the biggest thing I notice without the rear bar but it just makes sense on the faster style courses we get at Nationals. It is tempting to pick up that G37 bar for local events but I don't know if I want to introduce another variable to get used to when I travel.

Rusty · 06-30-2019, 12:53 PM

Quote:

Originally Posted by Brendan

link and video to my ftd.

Car drove well with the stiffer springs up front. I was happy I didn't forget what I learned in Lincoln before the first car got smashed. I took second to my buddy Kai who won spring nats in his e46 m3. The delta is getting smaller but my driving and the car will need some work before I can challenge him directly.

Understeer on slow speed entry is the biggest thing I notice without the rear bar but it just makes sense on the faster style courses we get at Nationals. It is tempting to pick up that G37 bar for local events but I don't know if I want to introduce another variable to get used to when I travel.

Like any race car. you have to tune the suspension for the track. What works for one track may not be good for another.

Hotrodz · 06-30-2019, 08:38 PM

Quote:

Originally Posted by Rusty

Like any race car. you have to tune the suspension for the track. What works for one track may not be good for another.

Also where are you getting the oversteer and have you tried lowering your rear tire temp?

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Brendan · 06-30-2019, 08:52 PM

Quote:

Originally Posted by Hotrodz

Also where are you getting the oversteer and have you tried lowering your rear tire temp?

Sent from my SM-G965U using Tapatalk

Turn in immediately after or in the transition from braking is less sharp than with a sway bar. Not something I'm particularly concerned about tuning out, as I feel the trade off is worth it while I'm getting used to the car. Lots of high speed transition grip and and good grip and rotation on throttle at corner exit.

Quote:

Originally Posted by Rusty

Like any race car. you have to tune the suspension for the track. What works for one track may not be good for another.

You're not wrong, but test time is often limited. Not off the table as I develop the car and my driving. I just don't want to be one of those guys blaming the car when fundamental driving technique is lacking.

Rusty · 06-30-2019, 09:28 PM

Quote:

Originally Posted by Brendan

Turn in immediately after or in the transition from braking is less sharp than with a sway bar. Not something I'm particularly concerned about tuning out, as I feel the trade off is worth it while I'm getting used to the car. Lots of high speed transition grip and and good grip and rotation on throttle at corner exit.

You're not wrong, but test time is often limited. Not off the table as I develop the car and my driving. I just don't want to be one of those guys blaming the car when fundamental driving technique is lacking.

I know you are limited in time and testing. Best bet is trying to find something that work for most areas.

Hotrodz · 07-05-2019, 06:34 PM

Quote:

Originally Posted by Brendan

Turn in immediately after or in the transition from braking is less sharp than with a sway bar. Not something I'm particularly concerned about tuning out, as I feel the trade off is worth it while I'm getting used to the car. Lots of high speed transition grip and and good grip and rotation on throttle at corner exit.

Okay, I think what you are experiencing is pretty normal or at least close to what I experienced as well. I found that I had to start my braking a little earlier and smoothly apply pressure when trail braking and to ease out of the braking as well. It takes a little getting use too but as you stated the gains are worth it.

Justint5387 · 07-11-2019, 01:49 PM

My ProParts Konis are for sale, if anyone wants it.

Justint5387 · 07-12-2019, 10:40 AM

Car was fun while I had it, I just enjoy driving my brother E90 M3 more in STU trim and not worry about the ice mode issue. I took the parts off and sold the car.

I can bring some of these parts to Nationals if you guys are going. Performance Parts Partout

Zewerr · 07-15-2019, 02:35 AM

Packwood Tour was this weekend. It was the first national event in the car. I'll start off by saying how much I absolutely hate how quickly RE's heat cycle out. My first set of tires are only about 4 months old and maybe have about 50-60 runs on them, and they have fallen off so far. Anyway, brand new set was had for the tour and the car just came back to life.

Saturday started off with the car feeling absolutely great. Unfortunately, the course was fairly tight which would make it difficult to not be straight timed by classes like STR, or even STS. But I ended up with a .526 second lead going into day two.

Sunday went a little differently. My co-driver's first run went without an issue. My first run, however, got bad fuel starve. It's my first time having it. I knew it would happen at some point, but I went as low as 1/8 of a tank in the past without an issue. This time, it happened after a long right hand sweeper with just under 1/2 a tank. As my co-driver went on his second run (which he experienced fuel starve, as well), fuel was on it's way and I was able to add four gallons and finish the rest of our runs without an issue. This day, I ended up second fastest. But, I held on to the win. My first national win in my own car in quite a long time.

This weekend makes me really wish I was taking this car to nationals, this year. After winning last year in an STI, this car just feels waaaaaaaayyyyy better in sweepers, with a much less need to shift compared to the Subaru. It's hard to see this car not be better on the sweeper heavy courses in Lincoln.

06-27-2019, 09:49 PM	#1 (permalink)
gomer_110 A True Z Fanatic Join Date: Aug 2011 Location: Perrysburg, OH Posts: 17,992 Drives: '11 Nismo #528 GM Rep Power: 36941	Probably just not tightened enough combined with Hoosier grip. Basically, tighten them nice and tight and then tighten them even more. __________________ '11 370Z Nismo #528 Fast Intentions \| Stillen \| Motordyne \| Uprev \| CSF \| Zspeed \| Z1 Motorsports \| AST \| Swift \| SPC \| SPL \| Whiteline \| Hotchkis \| Bride \| Schroth \| Robispec \| Cusco \| Nismo \| Volk \| Forgestar \| Hoosier \| RJM '17 Titan Bone Stock

06-28-2019, 12:00 PM	#3 (permalink)
Justint5387 Base Member Join Date: Aug 2014 Location: Bay Area, CA Posts: 188 Drives: 2016 370z Silver 6MT Rep Power: 13	You can try a G37 rear bar if the stock rear bar is too stiff for you. My last event in the car was with 1100/850 and it felt pushy still. Brendan likes this.

06-29-2019, 04:31 PM	#6 (permalink)
Zewerr Base Member Join Date: Jan 2019 Location: Tacoma, WA Posts: 45 Drives: 11 370Z 82/182 STU Rep Power: 7	I ran with my rear bar disconnected for the first time last weekend. I didn't enjoy the understeer on corner entry, but I did love the additional traction out of the turns. I'll likely remove it completely before the next event. Brendan and Justint5387 like this.

06-30-2019, 08:37 AM	#7 (permalink)
Brendan Track Member Join Date: Apr 2013 Location: Colorado Posts: 646 Drives: Poor man's Porsche Rep Power: 543	link and video to my ftd. Car drove well with the stiffer springs up front. I was happy I didn't forget what I learned in Lincoln before the first car got smashed. I took second to my buddy Kai who won spring nats in his e46 m3. The delta is getting smaller but my driving and the car will need some work before I can challenge him directly. Understeer on slow speed entry is the biggest thing I notice without the rear bar but it just makes sense on the faster style courses we get at Nationals. It is tempting to pick up that G37 bar for local events but I don't know if I want to introduce another variable to get used to when I travel. Last edited by Brendan; 06-30-2019 at 08:41 AM.

07-11-2019, 01:49 PM	#13 (permalink)
Justint5387 Base Member Join Date: Aug 2014 Location: Bay Area, CA Posts: 188 Drives: 2016 370z Silver 6MT Rep Power: 13	My ProParts Konis are for sale, if anyone wants it. Brendan likes this.

07-12-2019, 10:40 AM	#14 (permalink)
Justint5387 Base Member Join Date: Aug 2014 Location: Bay Area, CA Posts: 188 Drives: 2016 370z Silver 6MT Rep Power: 13	Car was fun while I had it, I just enjoy driving my brother E90 M3 more in STU trim and not worry about the ice mode issue. I took the parts off and sold the car. I can bring some of these parts to Nationals if you guys are going. Performance Parts Partout

07-15-2019, 02:35 AM	#15 (permalink)
Zewerr Base Member Join Date: Jan 2019 Location: Tacoma, WA Posts: 45 Drives: 11 370Z 82/182 STU Rep Power: 7	Packwood Tour was this weekend. It was the first national event in the car. I'll start off by saying how much I absolutely hate how quickly RE's heat cycle out. My first set of tires are only about 4 months old and maybe have about 50-60 runs on them, and they have fallen off so far. Anyway, brand new set was had for the tour and the car just came back to life. Saturday started off with the car feeling absolutely great. Unfortunately, the course was fairly tight which would make it difficult to not be straight timed by classes like STR, or even STS. But I ended up with a .526 second lead going into day two. Sunday went a little differently. My co-driver's first run went without an issue. My first run, however, got bad fuel starve. It's my first time having it. I knew it would happen at some point, but I went as low as 1/8 of a tank in the past without an issue. This time, it happened after a long right hand sweeper with just under 1/2 a tank. As my co-driver went on his second run (which he experienced fuel starve, as well), fuel was on it's way and I was able to add four gallons and finish the rest of our runs without an issue. This day, I ended up second fastest. But, I held on to the win. My first national win in my own car in quite a long time. This weekend makes me really wish I was taking this car to nationals, this year. After winning last year in an STI, this car just feels waaaaaaaayyyyy better in sweepers, with a much less need to shift compared to the Subaru. It's hard to see this car not be better on the sweeper heavy courses in Lincoln. Rusty, Hotrodz and Brendan like this.

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