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Suspension | Chassis | Brakes -- Sponsored by 949 Racing Relating to suspension, chassis, and brakes. Sponsored by 949 Racing. |
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12-25-2012, 07:50 PM | #1 |
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Alignment FAQ Thread
The Alignment FAQ Thread 2013
Welcome to the alignment thread where you can read about other's alignments along with what you need to know. The Performance Alignment and Alignment Video Primer: This will help you learn the basics before you post and go in for your alignment. [ame="http://www.youtube.com/watch?v=UdStfXl1h4Q&"]FR-S and BRZ Performance Alignment Suggestions - YouTube[/ame] Camber Non-Adjustable on the FR-S and BRZ unless you install camber bolts, plates or adjustable bushings. More negative camber in the front or rear can help maximize grip of certain tire combo's and suspension settings for race and auto cross. For street driving negative camber is not something needed in excess. Negative camber does not equate into better handling and more grip for all setups. Factory Range Front: -0.8 through 0.8 Rear: -2.0 through -0.5 Toe Toe is adjustable via factory rear eccentric bolts and front tie rods. Toe out in the front can help increase steering feel or effort and turn in at the expense of steering stability at higher speed. Will also increase wandering. Usual the rear is toe'd into help braking stability and keep the rear end from getting as loose. Factory Range Front: -0.12 through 0.12 Rear: -.04 through 0.20 Caster Is not adjustable from the factory unless you install strut tower plates or steering kits like those available from Perrin. Caster is not something you would normally adjust unless you are doing many track events. Greater positive caster can help brake stability and feel under high load. Factory Range Front: 5.2 through 6.7
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12-25-2012, 07:50 PM | #2 | |
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My Experience
After owning my share of sports cars and doing track, autox and karting a correct alignment is a critical part of automotive performance and safety. A proper alignment can also help increase MPG and driving comfort. Whats the Big Deal? There are hundreds of thousands of alignments done each week in America. It is a critical part of keeping a vehicle going down the road properly. The tires are the only object keeping your vehicle connected to the pavement. The alignment of the wheels can make or break how well those tires make contact. A poor alignment can devastate handling and grip more so than most any other vehicle property. However not all alignments are created equal.
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My First Alignment OEM Suspension: My first alignment was done by a body shop. Please note a few problems straight from the factory:
My Second Alignment TF Factory tougefactory.com This was my second alignment. I had pre-installed the factory crash camber bolts prior to bringing the car in and had them order the rear Whiteline upper control arm camber bushings before my appointment. Please note a few problems with my alignment from them:
Third Alignment Self Done For this alignment I installed the Whiteline front camber bolts which were actually re-labeled SPC bolts.
REAR CAMBER BUSHINGS UPPER REAR CONTROL ARMS Values without Driver Weight: CAMBER KITS USED FOR MY FINAL ALIGNMENT: I am in no way endorsing a specific brand or vendor choose the best kit based on your research and your end goal Whiteline Front Camber Eccentric Bolts Model# KCA416 : (Re-branded SPC Bolts) Install Time: 10-30 Minutes Ease of Adjustment: Easy Ease of Install: Easy http://ft86speedfactory.com/whitelin...front-200.html Whiteline Rear Camber Bushings UCA Model # KCA326: (2 Hours Labor to Install - $200) Install Time: 1.5 - 2.0 Hours Ease of Adjustment: Medium Ease of Install: Difficult http://ft86speedfactory.com/whitelin...r-kit-215.html
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12-25-2012, 07:51 PM | #3 |
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Customized Suspensions Create Alignment Headaches
A factory FR-S and BRZ only have adjustable toe. What if I add adjustable suspension coilovers?
10 Things You Should Know Before Installing Coilovers
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Last edited by Dezoris; 12-26-2012 at 12:27 PM. |
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12-25-2012, 08:34 PM | #4 |
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Conclusion:
If you are looking for a custom alignment or a good alignment:
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12-26-2012, 10:28 AM | #5 |
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Absolutely a great thread. Thanks!
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12-26-2012, 11:11 AM | #6 |
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Awesome post, great info!
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12-26-2012, 11:38 AM | #7 |
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can you comment on the differences between the whiteline bolts and the factory crash bolts? does the whiteline give you more negative camber?
for someone who's looking for some negative camber but nothing extreme, would you recommend camber bolts at the front and the eccentric bushings in the rear? Last edited by ayau; 12-26-2012 at 11:51 AM. |
12-26-2012, 11:47 AM | #8 |
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Please sticky this thread please. Our final alignments are very similar but i stuck with the oem camber bolt and used SPC rear lower control arms. Took a couple tries to get it right, patience is key and having somebody that will do it how you want instead of just trying to get it in factory spec is key.
Very nice points made about coilovers although corner balancing is not really required in most cases for a daily driver. I think brzranger felt that way also. If you do get coilovers but want to keep alignments simple you can get KW, Tein Street Basis, GC Street, Cusco Street Spec, etc that use the factory upper strut mounts. |
12-26-2012, 12:03 PM | #9 | |
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I appreciate the quick response and quick shipping, will definitely be using you again for other parts.
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FRONT RIGHT: -1.2 FRONT LEFT: -0.7 Since I did not do this alignment myself, the final numbers were actually: FRONT RIGHT: -0.5 FRONT LEFT: -0.5 There are a few reasons why and please remember this actually may differ from car to car due to manufacturing differences.
Unless you plan on doing autox in a stock class.
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12-26-2012, 12:06 PM | #10 |
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I got -1.6 on my factory crash bolts and most have been between -1.2 and -1.6.
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12-26-2012, 12:11 PM | #11 | |
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Quote:
Daily drivers don't need 40 way adjustable shocks, rebound and bound adjustment. It's one of those selling features companies sell like snake oil to people who have no idea what that even means. Most of these same companies can't even provide spring and damper rates on their products either.
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12-26-2012, 12:18 PM | #12 | |
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Quote:
"Expect X" And when they get Y they are pissed off. If you are sticking with stock class for autox go with the crash bolts. If you don't care about that use the Whiteline kit, it's much easier to adjust on the alignment rack and more precise, if you can deal with spending an extra $25.
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12-26-2012, 12:21 PM | #13 | |
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Quote:
if i understand this correctly, the whiteline bolts don't move the entire hub assembly when adjusting for negative camber. Last edited by ayau; 12-26-2012 at 12:33 PM. |
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12-26-2012, 12:32 PM | #14 |
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Are you planning on lowering the car? The rear bushings are PITA to install; I figure once I drop the car that I'm just going to grab some adjustable rear LCA. If you're not going for stock class, it's the better choice IMO.
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