Author Topic: "Toothless" - 05LGT's AP1 S2000 - Progress Update: Faffing Around  (Read 20467 times)

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Offline Murray Peterson

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #150 on: September 23, 2015, 07:23:14 AM »
http://www.propartsusa.net/shockdept.html


Koni's are the cheap man's solution, but they work just fine.  If you want high end, then you want Penske or Moton (for a *lot* more money):
http://performanceshock.com/index.php?main_page=product_info&products_id=1220
http://www.gotuning.com/product_info.php?products_id=1285

If you aren't into autocrossing, then the OEM shocks work just fine.  For street driving, you probably won't want any of these shocks.


Offline Canuckrz

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #151 on: September 23, 2015, 07:37:05 AM »
When set to full soft, the re-valved Konis give a better ride on the street than the OEM shocks.
For street driving, you probably won't want any of these shocks.
Am I missing something here?

Offline Rathburn

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #152 on: September 23, 2015, 08:22:01 AM »
Am I missing something here?

Koni's are good on the street, Penske and Moton, not so much. Which is what Murray was linking up in the second and third link.
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Offline Murray Peterson

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #153 on: September 23, 2015, 08:45:37 AM »
Am I missing something here?

The Koni's are a slight improvement over OEM for street driving, but not enough (IMO) to make it worth the expense.  Where they shine is autox; you get to dial in the handling you want, and there is a larger "sweet spot" of maximum grip.

Offline 05LGT

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #154 on: September 23, 2015, 03:49:50 PM »
I just drove the car with the 225 RE71R and it feels wayyyyyyyy better.
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Offline Murray Peterson

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #155 on: September 23, 2015, 04:12:34 PM »
Are you going to be cmpeting in Red Deer this weekend?  I think I may (finally) have our car back in good form.

Offline 05LGT

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #156 on: September 23, 2015, 04:16:04 PM »
Are you going to be competing in Red Deer this weekend?  I think I may (finally) have our car back in good form.

I won't but Cole and I are planning on coming to the last event this season for a shake down.  I have...another driving event this weekend.
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Offline Dr Beans

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #157 on: September 23, 2015, 07:25:26 PM »
I just drove the car with the 225 RE71R and it feels wayyyyyyyy better.

So if I understand this correctly, what you're saying is that tires make a difference on how a car preforms?

Offline 05LGT

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #158 on: September 23, 2015, 07:55:11 PM »
So if I understand this correctly, what you're saying is that tires make a difference on how a car preforms?

More like not bent wheels make driving a lot more pleasent.
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Offline ultimatt

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #159 on: September 24, 2015, 09:08:58 AM »
*scribbles down notes*
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Offline 05LGT

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #160 on: September 24, 2015, 09:13:19 AM »
I did get a chance to take a few corners late last night on the way home though, and it felt pretty neutral with the current setup and very grippy.  Of course there's not a lot to tell on the street until I can get it out to auto x and assess it.  I am leaning towards leaving the OEM shocks in for now to save money.
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Offline Murray Peterson

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #161 on: September 24, 2015, 03:10:57 PM »
I would agree.  Shocks don't make a huge difference over the very good OEM ones.  It is an improvement, but it is subtle (on most courses).  You are a good enough driver to make use of them, but you can do pretty well without.

Offline RedndWhite

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #162 on: September 24, 2015, 03:17:36 PM »
I would agree.  Shocks don't make a huge difference over the very good OEM ones.  It is an improvement, but it is subtle (on most courses).  You are a good enough driver to make use of them, but you can do pretty well without.

Well, they make a huge difference if the struts are blown and bouncing around like a 5 year old with pixie sticks and no Ritalin...
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Offline Murray Peterson

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #163 on: September 24, 2015, 03:51:26 PM »
Well, they make a huge difference if the struts are blown and bouncing around like a 5 year old with pixie sticks and no Ritalin...

In that case, the Konis are cheaper than OEM replacements (and better).

Offline sti-tom

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #164 on: September 24, 2015, 03:58:03 PM »
I am leaning towards leaving the OEM shocks in for now to save money.
Good idea, I don't have shocks in my STi. This will keep things fair in BS for next year.   :D

Offline 05LGT

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #165 on: September 28, 2015, 02:49:05 PM »
For my reference, the car weighed in at 1330kg yesterday with half a tank of fuel, myself and gear in it.

Also perhaps Reijo can comment (if he's on WSC) on how the car felt when he rode with me once at an event yesterday.

Also I find the side to side transitions feel sloppy and rolly to me now, I am sure if its tire sidewall flex, or shocks that are weak, or just the OEM springs not being stiff enough.

Also I am not sure I am a fan of the RE71R for my driving style, I feel like the sidewalls are stiffer on the Z2 I have used, and the RE71R seemed to go off after three quick runs in succession of a ~56 second course.
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Offline Murray Peterson

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #166 on: September 28, 2015, 09:18:10 PM »
Also I find the side to side transitions feel sloppy and rolly to me now, I am sure if its tire sidewall flex, or shocks that are weak, or just the OEM springs not being stiff enough.

Also I am not sure I am a fan of the RE71R for my driving style, I feel like the sidewalls are stiffer then the Z2 I have used and they seemed to go off after three quick runs in succession of a ~56 second course.

I find the RE71Rs to be softer than the Z2s -- a bit sloppier and "rollier".  And I also need a lot more pressure to control rollover (39/38 instead of 36/35).  I fully agree with you about their going off too soon.  Those things need water, even in 10 degree weather :(  Sigh, the penalty we pay for extra grip...

Offline 05LGT

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #167 on: September 29, 2015, 04:01:11 PM »
I find the RE71Rs to be softer than the Z2s -- a bit sloppier and "rollier".  And I also need a lot more pressure to control rollover (39/38 instead of 36/35).  I fully agree with you about their going off too soon.  Those things need water, even in 10 degree weather :(  Sigh, the penalty we pay for extra grip...

Will be bringing the sprayer this weekend for sure then.  I have been watching S2000 track day videos this afternoon, I can't wait to get this thing up to Castrol next year (not on RE71R though).
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Offline 05LGT

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #168 on: October 01, 2015, 10:27:12 AM »
What are the rules regarding shift knobs in Street class?  Does it fall under comfort and convenience or do I need to stay with the factory one?  I would really like to get another Raceseng one.
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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #169 on: October 01, 2015, 10:28:37 AM »
Comfort and convenience, as long as you don't remove it.
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Offline 05LGT

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #170 on: October 01, 2015, 10:32:57 AM »
Comfort and convenience, as long as you don't remove it.

Excellent.  I do like the factory one but I want to support Raceseng and I found their stuff to be like works of art.
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Offline RedndWhite

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #171 on: October 01, 2015, 10:50:17 AM »
What are the rules regarding shift knobs in Street class?  Does it fall under comfort and convenience or do I need to stay with the factory one?  I would really like to get another Raceseng one.

Far as I remember, shift knob is cosmetic, short throw is class changing.
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Offline Canuckrz

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #172 on: October 01, 2015, 11:00:46 AM »
Far as I remember, shift knob is cosmetic, short throw is class changing.
Even substantially weighted ones?

Offline 10secdream

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #173 on: October 01, 2015, 11:01:07 AM »
Far as I remember, shift knob is cosmetic, short throw is class changing.

Slightly off topic but are shifter bushings class changing?
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Offline 05LGT

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Re: 05LGT's AP1 S2000 B Street Auto X/Track Day "build"
« Reply #174 on: October 01, 2015, 11:02:38 AM »
Slightly off topic but are shifter bushings class changing?

Yes definitely.
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