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STR Prep - Suspension and Alignment SCCA Autocross STR Class

#276 User is offline   mron0903 

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Posted 09 April 2012 - 11:01 AM

View PostmLeach, on 09 April 2012 - 09:50 AM, said:

I guess those links at the top of the page have become invisible lately. Let me help you help yourself.

http://www.s2ki.com/...scussion-links/

http://www.s2ki.com/...-autocross-faq/


I've looked at all the STR links and Ride height thread. What I'm asking is for personal opinions on the matter. No need to be a dick about it, but thank you for your post.

#277 User is online   sirbunz 

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Posted 09 April 2012 - 11:24 AM

View Postmron0903, on 09 April 2012 - 09:24 AM, said:

What's a good ride height? I just installed my coilovers and did my alignment. Front i'm at 13.5" and rear is at 13.375. My alignment settings are as follows;

Front:
Camber -2.8
Caster 6.3
Toe 0

Rear:
Camber -2.6
Toe 1/4 total toe-in.

My concern is the car is sitting too high and could benefit more if I set it just a bit lower, but I also don't want to sacrifice driveability since I do drive the S 3-4 times during the week to work. The roads around me aren't the best. Any info would be greatly appreciated.



Please keep in mind, these type of questions appear all the time and is exactly why these threads were created.

There is no "generic" setting that suits all S2000s. We are still at the beginning of R&D for STR. There are many different directions STR S2000 owners are taking their setups. This depends on what hardware you are using, driving preference, type of racing, type of course/surface, tires, etc. The point "mLeach" is really making it to find someone who has a similar setup to yours and start there. Add your own notes as you develop you car further. Find someone local who knows S2000s and get their opinion. Let them drive your car if you are comfortable. Work on your driving skills, who knows ... you may like something different when you advance as a driver. No one here is a perfect driver.

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#278 User is offline   glagola1 

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Posted 09 April 2012 - 11:29 AM

I agree. These posts asking about personal ride heights and alignments and spring rates and sway bars are becoming tiresome and redundant. There is much information about what people are running and really, ST classing in general is based on the idea that you will be tuning your car. The many listed set ups that folks are running are all generally very similar. Take one and copy it. After that, you'll have to tune it to your taste and optimization.

Let's try keep the signal to noise ratio as good as it is.
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#279 User is offline   IntegraR0064 

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Posted 09 April 2012 - 11:37 AM

View Postmron0903, on 09 April 2012 - 09:24 AM, said:

What's a good ride height? I just installed my coilovers and did my alignment. Front i'm at 13.5" and rear is at 13.375. My alignment settings are as follows;

Front:
Camber -2.8
Caster 6.3
Toe 0

Rear:
Camber -2.6
Toe 1/4 total toe-in.

My concern is the car is sitting too high and could benifit more if I set it just a bit lower, but I also don't want to sacrafice driveability since I do drive the S 3-4 times during the week to work. The roads around me aren't the best. Any info would be greatly appreciated.


That will work well. I've won national level events with suspension settings and height similar to yours, and I am not a great driver. Could it benefit some from lowering? Probably. Different people will argue different amounts, some will say it's a big deal, some will say we're talking miniscule amounts better. I don't think anyone would argue that those settings would be uncompetitive at any level other than the national championships.

I'd probably recommend lowering it at least a little if possible. I think you've still got more room to be comfortable on the street.

Right now I'm running just a little over 13" ride height on my daily driven s2000 on 800 and 700 lb/in springs, and that seems to work just fine. It's not as comfortable as stock but it's a good compromise for me. And I feel my car is competitive at any level.

To get a more in-depth answer than that you'll have to do some reading to see what different people's opinions are, and try it yourself.
-Jon Caserta
*2006 Laguna Blue S2000 - #8 or 183 STR
*2000 Integra Type R - Former DS car now daily driver, thinking about selling...
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#280 User is offline   mron0903 

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Posted 09 April 2012 - 11:50 AM

View Postsirbunz, on 09 April 2012 - 11:24 AM, said:

View Postmron0903, on 09 April 2012 - 09:24 AM, said:

What's a good ride height? I just installed my coilovers and did my alignment. Front i'm at 13.5" and rear is at 13.375. My alignment settings are as follows;

Front:
Camber -2.8
Caster 6.3
Toe 0

Rear:
Camber -2.6
Toe 1/4 total toe-in.

My concern is the car is sitting too high and could benefit more if I set it just a bit lower, but I also don't want to sacrifice driveability since I do drive the S 3-4 times during the week to work. The roads around me aren't the best. Any info would be greatly appreciated.



Please keep in mind, these type of questions appear all the time and is exactly why these threads were created.

There is no "generic" setting that suits all S2000s. We are still at the beginning of R&D for STR. There are many different directions STR S2000 owners are taking their setups. This depends on what hardware you are using, driving preference, type of racing, type of course/surface, tires, etc. The point "mLeach" is really making it to find someone who has a similar setup to yours and start there. Add your own notes as you develop you car further. Find someone local who knows S2000s and get their opinion. Let them drive your car if you are comfortable. Work on your driving skills, who knows ... you may like something different when you advance as a driver. No one here is a perfect driver.

-Marc


I fully understand the frustration that can come when people ask questions that can be answered by a little research. My main concern is if I should go a litte lower on my setup or just keep it as is. I've look at numerous setups on a bunch of threads and that's where I based my alignment. I know tuning is still in store. I was soley inquiring aboout peoples experience with ride height and if I should consider lowering my car a bit more or just leaving it and then going from there.

Like I said, I understand questions like these can be annoying but responses like mLeach are not necessary.

#281 User is offline   mron0903 

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Posted 09 April 2012 - 12:11 PM

View PostIntegraR0064, on 09 April 2012 - 11:37 AM, said:

View Postmron0903, on 09 April 2012 - 09:24 AM, said:

What's a good ride height? I just installed my coilovers and did my alignment. Front i'm at 13.5" and rear is at 13.375. My alignment settings are as follows;

Front:
Camber -2.8
Caster 6.3
Toe 0

Rear:
Camber -2.6
Toe 1/4 total toe-in.

My concern is the car is sitting too high and could benifit more if I set it just a bit lower, but I also don't want to sacrafice driveability since I do drive the S 3-4 times during the week to work. The roads around me aren't the best. Any info would be greatly appreciated.


That will work well. I've won national level events with suspension settings and height similar to yours, and I am not a great driver. Could it benefit some from lowering? Probably. Different people will argue different amounts, some will say it's a big deal, some will say we're talking miniscule amounts better. I don't think anyone would argue that those settings would be uncompetitive at any level other than the national championships.

I'd probably recommend lowering it at least a little if possible. I think you've still got more room to be comfortable on the street.

Right now I'm running just a little over 13" ride height on my daily driven s2000 on 800 and 700 lb/in springs, and that seems to work just fine. It's not as comfortable as stock but it's a good compromise for me. And I feel my car is competitive at any level.

To get a more in-depth answer than that you'll have to do some reading to see what different people's opinions are, and try it yourself.


You have any problems rubbing or are your fenders rolled? I would like to avoid rolling, that's mainly why I set the ride height I did but that's why I'm second guessing myself if I should go lower. Thanks.

Sent from my SAMSUNG-SGH-I717

#282 User is offline   IntegraR0064 

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Posted 09 April 2012 - 12:21 PM

View Postmron0903, on 09 April 2012 - 12:11 PM, said:

View PostIntegraR0064, on 09 April 2012 - 11:37 AM, said:

View Postmron0903, on 09 April 2012 - 09:24 AM, said:

What's a good ride height? I just installed my coilovers and did my alignment. Front i'm at 13.5" and rear is at 13.375. My alignment settings are as follows;

Front:
Camber -2.8
Caster 6.3
Toe 0

Rear:
Camber -2.6
Toe 1/4 total toe-in.

My concern is the car is sitting too high and could benifit more if I set it just a bit lower, but I also don't want to sacrafice driveability since I do drive the S 3-4 times during the week to work. The roads around me aren't the best. Any info would be greatly appreciated.


That will work well. I've won national level events with suspension settings and height similar to yours, and I am not a great driver. Could it benefit some from lowering? Probably. Different people will argue different amounts, some will say it's a big deal, some will say we're talking miniscule amounts better. I don't think anyone would argue that those settings would be uncompetitive at any level other than the national championships.

I'd probably recommend lowering it at least a little if possible. I think you've still got more room to be comfortable on the street.

Right now I'm running just a little over 13" ride height on my daily driven s2000 on 800 and 700 lb/in springs, and that seems to work just fine. It's not as comfortable as stock but it's a good compromise for me. And I feel my car is competitive at any level.

To get a more in-depth answer than that you'll have to do some reading to see what different people's opinions are, and try it yourself.


You have any problems rubbing or are your fenders rolled? I would like to avoid rolling, that's mainly why I set the ride height I did but that's why I'm second guessing myself if I should go lower. Thanks.

Sent from my SAMSUNG-SGH-I717


In front the tabs are bent up, rear is untouched.

#283 User is offline   robinson 

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Posted 10 April 2012 - 04:51 AM

View Postmron0903, on 09 April 2012 - 11:01 AM, said:

View PostmLeach, on 09 April 2012 - 09:50 AM, said:

I guess those links at the top of the page have become invisible lately. Let me help you help yourself.

http://www.s2ki.com/...scussion-links/

http://www.s2ki.com/...-autocross-faq/


I've looked at all the STR links and Ride height thread. What I'm asking is for personal opinions on the matter. No need to be a dick about it, but thank you for your post.


I feel that if you are lead to ask this question, then the answer is, it does not matter at your level of experience. Just set it and go, make changes, if you know what you want, and repeat.

The general guidance is, don't go so low that you bottom out, and not too high, though it's better to error on the high side.

#284 User is offline   Ayge 

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Posted 16 April 2012 - 01:53 PM

I hate to beat a dead horse, but what was the final verdict on the SPS balljoints?
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#285 User is offline   oinojo 

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Posted 16 April 2012 - 04:23 PM

View Postglagola1, on 04 February 2012 - 09:29 AM, said:

We need to have a webinar.

The one thing that is a potential gotcha is that these are not sliding adjusters. They are rotating adjust which will affect caster and that is not legal. I had not thought of that until I saw Jason Rhodes quote.

Let me repeat it for the 4th time: THE TOTAL HEIGHT OF THE JOINT IS NOT AN ISSUE IF THE SHANK AND BALL ARE DIMENSIONALLY SIMILAR TO STOCK. ALL THAT HAPPENS ABOVE THE BALL JOINT IS IRRELEVANT TO SUSPENSION MOTION.


Quote

I hate to beat a dead horse, but what was the final verdict on the SPC balljoints?


This is where we need to elaborate on and clarify.

This post has been edited by oinojo: 16 April 2012 - 04:23 PM

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#286 User is offline   ebdavis 

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Posted 18 April 2012 - 01:27 PM

Doesn't have anything to do with legality but after less than 9000 miles the set of SPC offset ball joints I had installed on my STR car last year have worn out. Not sure if this was the cause but I was running at 12 3/4" ride height most of that time. I ended up ordering another set due to time limitations of trying to get the car ready for the Pro this weekend otherwise I probably would have went hard-race lower or possibly an offset upper bushing. When ordering the new set I asked Evasive if they had heard of premature failures and they said "No we sell a lot of those".

#287 User is offline   legend4life 

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Posted 04 May 2012 - 03:14 PM

I know lowering the rear adds rear toe in, at STR ride heights, per the toe curve vs ride height charts posted here, but does anyone know the affect on front toe for lowering the front? Does it also toe in, or does it toe out?

#288 User is online   cadams05nfr 

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Posted 04 May 2012 - 03:54 PM

View Postmron0903, on 09 April 2012 - 09:24 AM, said:

What's a good ride height? I just installed my coilovers and did my alignment. Front i'm at 13.5" and rear is at 13.375. My alignment settings are as follows;

Front:
Camber -2.8
Caster 6.3
Toe 0

Rear:
Camber -2.6
Toe 1/4 total toe-in.

My concern is the car is sitting too high and could benifit more if I set it just a bit lower, but I also don't want to sacrafice driveability since I do drive the S 3-4 times during the week to work. The roads around me aren't the best. Any info would be greatly appreciated.


I only have a one finger gap in the front, most camber they could get on mine was -2.5. You must be pretty low right now to be able to get that camber with noce other adjustable bits. I have yet to measure my actual ride height however
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#289 User is offline   Random1 

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Posted 04 May 2012 - 04:12 PM

View Postlegend4life, on 04 May 2012 - 03:14 PM, said:

I know lowering the rear adds rear toe in, at STR ride heights, per the toe curve vs ride height charts posted here, but does anyone know the affect on front toe for lowering the front? Does it also toe in, or does it toe out?

I think you can tell by the angle of the tie rods going from the rack to the hub. If the hub attachment point is lower than the inner pivot point then lowering should cause toe out to occur. If the outer point is above the inner point then lowering would cause toe-in to occur. In most cases I would imagine that lowering will cause toe out which is bad for inner edge tire wear.
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#290 User is offline   762 

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Posted 08 May 2012 - 04:58 AM

View Postlegend4life, on 04 May 2012 - 03:14 PM, said:

I know lowering the rear adds rear toe in, at STR ride heights, per the toe curve vs ride height charts posted here, but does anyone know the affect on front toe for lowering the front? Does it also toe in, or does it toe out?


AP2 toe curve in the rear does not change in rebound or compression.
Texas Time Trials/ Moton Suspension/ Pro Tuning Performance
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#291 User is offline   glagola1 

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Posted 09 May 2012 - 08:09 AM

There is bumpsteer in the front but I don't know of anyone who has measured it. I mean, it probably has less effect on the dynamics of the car than the rear considering the front wheels are always changing directions. :)

#292 User is online   Topplayer 

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Posted 09 May 2012 - 02:35 PM

after installing a front swaybar like the gendron do you need to get an alignment?

#293 User is offline   ebdavis 

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Posted 09 May 2012 - 05:23 PM

View PostTopplayer, on 09 May 2012 - 02:35 PM, said:

after installing a front swaybar like the gendron do you need to get an alignment?


No

#294 User is offline   legend4life 

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Posted 09 May 2012 - 05:59 PM

View PostTopplayer, on 09 May 2012 - 02:35 PM, said:

after installing a front swaybar like the gendron do you need to get an alignment?


If it's connected while setting your ride heights or alignment, it can add significant preload and throw things off.

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