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Suspension and alignment help needed

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23 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHSuspension and alignment help needed

Leading reported evidence

Adjust caster

Suggestion or failed attempt

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Suggestion

I don't know of any way to adjust caster on these cars without modifications.

Suspension and alignment help needed
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Leading evidence: 'Adjust caster' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Adjust caster' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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Compare 4 other evidence results

Replace /upgrade

Suggestion or failed attempt

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Suggestion

What parts did you replace/upgrade?

Suspension and alignment help needed

Run 3rd gear up

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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
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Suggestion · Original poster

Running 3rd gear up to about 4k, make sure the coast is clear of all things important; roll onto the throttle, shifting gears at 6grand and I'm in "go to jail" territory, before I'm out of 4th gear.

Suspension and alignment help needed

Set high

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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
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0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

I regret not having my tire pressure's set high, when I got the alignment done.

Suspension and alignment help needed

Set shouldn't affect the car as is

Suggestion or failed attempt

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Unsuccessful attempts
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Discussions
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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
1

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0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

The tech said that due to the roads crest, its preferred to have the higher caster on the left front, but the current setting shouldn't affect the car as is.

Suspension and alignment help needed
Frequently discussed actions (6)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Adjust caster

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

I don't know of any way to adjust caster on these cars without modifications.

Suspension and alignment help needed

Replace /upgrade

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

What parts did you replace/upgrade?

Suspension and alignment help needed

Run 3rd gear up

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

Running 3rd gear up to about 4k, make sure the coast is clear of all things important; roll onto the throttle, shifting gears at 6grand and I'm in "go to jail" territory, before I'm out of 4th gear.

Suspension and alignment help needed

Set high

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

I regret not having my tire pressure's set high, when I got the alignment done.

Suspension and alignment help needed

Set shouldn't affect the car as is

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

The tech said that due to the roads crest, its preferred to have the higher caster on the left front, but the current setting shouldn't affect the car as is.

Suspension and alignment help needed

Use suspension

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

OP - Alignment specs depend on what you want the car to do and what components you are using for your suspension.

Suspension and alignment help needed
Coverage and how to read this overview

Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

23 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Rennlist: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261027T070717Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Hello everyone. Today I'm going to swap out my old wobbly suspension, as it's very annoying and unsafe to drive. I'm curious if theres any dos or don'ts to this procedure, or helpful tricks? Following the suspension refresh, I have the car scheduled for an alignment. The shop I use, is very good and will align to any specs I specify. My question is do I let them put it "in the green" or what are the exact numbers I should have the car put to? Thanks in advance.

POST 3Original post

Eastep - I intend on refreshing my steering and suspension as well. What parts did you replace/upgrade? Ron

POST 4 / ORIGINAL POSTEROriginal post

Quotes source post: 16468722

I picked up oem struts n springs.

POST 5Original post

OP - Alignment specs depend on what you want the car to do and what components you are using for your suspension. Numerous threads with lots of data and �do/don�t� advice on the web. Elephant and Tarett are very good sources. They will give you some detailed pointers and suggestions if you ask. I agree you want the best information for you suspension settings...makes the car a bust or a blast.

POST 6 / ORIGINAL POSTEROriginal post

Thanks. I've read some threads, but it seems most are detailing coilovers and lowered ride heights or ROW/GT3 specs. I just need good DD specs. I'm not sure what the factory specs are.

POST 7Original post

Before and after specs on my 99C2. My setup maximizes tire life, but to be honest, the car still handles very well, even on the track. I have no complaints, and I have racked up 16,000 miles on my Michelins and they still have lots of life left.

POST 8 / ORIGINAL POSTEROriginal post

Quotes source post: 16468810

Thanks. I'll look into that, and see what Ican find as far as what's listed in the archives. I appreciate it.

POST 9 / ORIGINAL POSTEROriginal post

So after wrestling with the A arms, the new suspension is installed and the car has a fresh alignment. I'd like some feedback of the specs. The right front caster is out a few hundredths. I voiced my uneducated concerns to the tech/senior tech (shop owner) about the caster still being in the red. As my car routinely sees speeds over 130mph, a stable, predictable and safe car/alignment, are paramount. after an explanation of the numbers, I was assured that these numbers are acceptable. The tech said that due to the roads crest, its preferred to have the higher caster on the left front, but the current setting shouldn't affect the car as is. The work is warranted for two weeks, and if I need an adjustment, theres no additional charge. I was told that the car either has its caster maxed on that side, or there isn't any additional adjustment and that the other option would be to split the difference side to side. Alignment and mount/balance are the only things I take cars to shops for, (outside warranty work), so I'm unsure if this is smoke being blown or not. The shop is reputable and I've used them before when having a car set to a specific spec, with great results. Seeing red has me nervous though. consensus?

POST 10Original post

Here is a good thread on the alignment specs https://rennlist.com/forums/996-foru...alignment.html

POST 11 / ORIGINAL POSTEROriginal post

Quotes source post: 16471341

thanks, for the link. I've seen that posted on just about every alignment thread in the archives. The problem I'm having is that I don't understand what that means or how it converts to what my car is aligned to. Any explanation or clarification, please?

POST 13 / ORIGINAL POSTEROriginal post

Quotes source post: 16471367

Daily and because I want to.

POST 14Original post

Unless you have a GT3, or aftermarket parts, caster is not adjustable on these cars as far as I know.

POST 15 / ORIGINAL POSTEROriginal post

Quotes source post: 16471471

Thanks. I didn't know that. does the rest of the numbers look "good"? I regret not having my tire pressure's set high, when I got the alignment done. My pressures are 36F 40R. Not sure if this negatively impacted the results. Overall, the car feels better, and the new struts/springs are much better (not to mention safer).

POST 16Original post

Quotes source post: 16471360

The degrees are the same. To get the decimal from the minutes on the factory sheet, just divide by 60. I.e., Camber 0 deg +/- 15' => 0 +/- 0.25

POST 17 / ORIGINAL POSTEROriginal post

Quotes source post: 16471834

Thanks. I'll math the heck outta that alignment sheet, tomorrow

POST 18Original post

Quotes source post: 16471284

Here are my results from 4 years ago.....was also told by techs not to worry about the caster...not a big deal...4 years later and it has not made any "bad" difference on tire wear or handling.....this set up was done to maximize tire life for a daily driver https://rennlist.com/forums/996-foru...placement.html

POST 19Original post

Quotes source post: 16468796

Thats what I did Any good alignment shop will have the specs Mine did

POST 20Original post

Quotes source posts: 16471367, 16471375

You're lucky you don't live in California. Anything over 100mph is considered reckless driving and has the same points as a DUI. I assume you're kidding about daily hitting 130mph but if not, bragging about it on a public forum probably won't help your inevitable court case.

POST 21Original post

Caster is limited but you can get 6GT3 street specs out of her

POST 22Original post

Quotes source post: 16472068

"Caster"? or camber? I don't know of any way to adjust caster on these cars without modifications. I'm open to opportunities if you have found a way.

POST 23 / ORIGINAL POSTEROriginal post

Quotes source post: 16472029

I wasn't really kidding or bragging; just stating the reality of my travels. I dont sustain those type of speeds, but do see them daily. I'm usually cruising around 81-83, but there are a couple long & sweeping on ramps, that merge into long strait aways. At 4:45-5:00am these are very open as far as traffic is concerned. Running 3rd gear up to about 4k, make sure the coast is clear of all things important; roll onto the throttle, shifting gears at 6grand and I'm in "go to jail" territory, before I'm out of 4th gear. 5th into 6th and I'm right at 132mph or so, and only for about a 1/4 mile or so. I figure @$#-it, I've been in jail before and nearly killed when a semi T-boned me in my driver door, last October. I figure "@#!*-it"; jail or death really aren't that bad, just unfortunate & inconvenient.

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