09-21-2017, 07:49 AM | #729 | |
Cone Killer
Drives: 2012 SS Join Date: Dec 2013
Location: St. Albans, West Virginia
Posts: 832
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Quote:
Front camber: -2.5 Front toe: 0.05 out each side Rear camber: -1.4 Rear toe: 0.05 in each side I could get more agressive with the toe settings, but so far this has worked really well for me. Tire wear has been perfectly even as far as I can tell, the car has good grip balance for autox but is still pretty stable on the highway, even in the rain.
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2012 Camaro SS - Sold
Selling off my remaining wheels, tires, 27mm front sway bar, and MGW shift knob. Get them out of my house before my wife puts me out! |
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09-22-2017, 11:53 AM | #730 | |
Drives: Camaro Justice Join Date: Jun 2007
Location: Virginia
Posts: 20,174
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10-02-2017, 08:58 AM | #731 |
Drives: 2014 Camaro 1LE Join Date: Jul 2017
Location: Houston
Posts: 79
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Well i guess the alignment was good enough to win F street!
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10-12-2017, 10:28 AM | #732 |
Drives: 2014 Camaro 1LE Join Date: Jul 2017
Location: Houston
Posts: 79
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Went to my second Autocross event, and in this course the car seemed to understeer. My alignment sheet is a page back.. Would reducing the rear camber to -0.5 help increase oversteer? Thoughts?
Also, does anyone have an alignment shop in houston that isnt dumb and tell me that the camber on the front isnt adjustable? Thanks!! |
10-12-2017, 01:24 PM | #733 |
Drives: 2015 Z/22 Join Date: Aug 2015
Location: Ontario, Canada
Posts: 930
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Can you measure tire temps? This would let you know if you could use more or less camber. What else have you done on the car? Sway bar sizes? Spring rates? Tire sizes?
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Overkill/Self Tuned; Mace Camshafts; K&N Typhoon Cold Air Intake; Ported 80mm Throttle Body/Intake Manifolds/Manifold Spacer; Solo Performance High-Flow Cats, Cat-back Exhaust; Vitesse Motorsports Throttle Controller; Elite Engineering E2 Catch Can; BC Racing BR Coilovers; JPSS Delrin Radius Rod Bushing Inserts, Sway Bars; Pegasus Aluminum Rear Cradle Bushings, Camber/Caster Plates; Z/28 Toe Links, Trailing Arms, Upper Control Arm Bushings, Rear Shock Mounts
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10-12-2017, 01:41 PM | #734 | |
Cone Killer
Drives: 2012 SS Join Date: Dec 2013
Location: St. Albans, West Virginia
Posts: 832
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Quote:
__________________
2012 Camaro SS - Sold
Selling off my remaining wheels, tires, 27mm front sway bar, and MGW shift knob. Get them out of my house before my wife puts me out! |
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10-12-2017, 03:40 PM | #735 |
Drives: 2014 Camaro 1LE Join Date: Jul 2017
Location: Houston
Posts: 79
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I dont have a way to measure tire temps. The pressures rose quite a bit, and next time im going to lower them back to my start up pressures of 38psi front 36psi rear. car is 100% stock. tires are 285/35R20 all the way around.
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10-12-2017, 03:41 PM | #736 | |
Drives: 2014 Camaro 1LE Join Date: Jul 2017
Location: Houston
Posts: 79
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10-12-2017, 04:09 PM | #737 |
Drives: 2015 Z/22 Join Date: Aug 2015
Location: Ontario, Canada
Posts: 930
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Most if not all cars understeer from the factory - it's a safety thing - so if your car is stock it will understeer. A square tire setup is a good start; to add to this consider a larger rear sway bar (I love my JPSS bars ). Solid subframe bushings ought to help here too.
What is your front camber? -1.1° and -1.5°? If so you could try more negative camber, -2.0 to -2.5° (might not be achievable without caster plates but you can get close to -2.0° stock).
__________________
Overkill/Self Tuned; Mace Camshafts; K&N Typhoon Cold Air Intake; Ported 80mm Throttle Body/Intake Manifolds/Manifold Spacer; Solo Performance High-Flow Cats, Cat-back Exhaust; Vitesse Motorsports Throttle Controller; Elite Engineering E2 Catch Can; BC Racing BR Coilovers; JPSS Delrin Radius Rod Bushing Inserts, Sway Bars; Pegasus Aluminum Rear Cradle Bushings, Camber/Caster Plates; Z/28 Toe Links, Trailing Arms, Upper Control Arm Bushings, Rear Shock Mounts
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10-12-2017, 05:15 PM | #738 |
corner barstool sitter
Drives: 08 Mustang GT, 19 WRX Join Date: Jul 2012
Location: Eastern Time Zone
Posts: 6,990
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With the front cambers the way they are now, your car should be understeering a little more in right turns than in lefts. Was your second event right turn heavy compared to the first one?
If you don't want to be always swapping between autocross settings and street settings, maybe equalizing the front cambers at a little more negative than -1.5° and standing the rear tires up a little to somewhere in the -0.8° to -0.9° neighborhood would be a reasonable compromise. -0.5° might require a too much more sensitive throttle foot than what you've become accustomed to using. Norm
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'08 GT coupe 5M (the occasional track toy)
'19 WRX 6M (the family sedan . . . seriously) |
10-12-2017, 10:14 PM | #739 | |
Drives: 2014 Camaro 1LE Join Date: Jul 2017
Location: Houston
Posts: 79
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Quote:
Yeah I think I'm going to get the 32mm bar. I need to find a Shopi in Houston for alignment. The last shop I couldn't get them to adjust the front camber. |
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10-12-2017, 10:15 PM | #740 | |
Drives: 2014 Camaro 1LE Join Date: Jul 2017
Location: Houston
Posts: 79
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10-23-2017, 11:31 PM | #741 |
SoCal Race Team #13
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Need thoughts on new setup...
Running autox and hpde's (6-9 events a year) and daily driving on 2nd set of wheels/tires.. Hardware is: coilovers, rear and front sway bars, rear trailing arms and toe arms, 305/30r19s (race setup), 285/35 r20 (daily),poly bushes all around... sitting at about 400 rwhp... Previs setup worked great... but wondering if I'm leaving more grip on the table.. Front: Camber: -1.4 to -1.6 Caster : fixed Toe: 1/16 total Rear: -1.0 to -1.2 Toe: 0.00 total Thoughts?
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A.K.A - Diarmadhi (old handle) - So much to do.. So little money
Owner : Fast-Stache Industries LLC |
10-24-2017, 05:57 AM | #742 |
Drives: 2015 Z/22 Join Date: Aug 2015
Location: Ontario, Canada
Posts: 930
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How much do you care about tire wear?
Front camber: -1.5° for tire wear so that you don't have to keep changing camber for the street; -2.0 to -2.5° if you don't care about tire wear. Front caster: I'd recommend drilling/grinding out the inner radius rod bolt hole (at the subframe) and getting some "caster locks" to increase positive caster, but if not then caster is fixed as you said. Do you have camber (or caster) plates built into the coil-overs? Front toe: A bit of toe-out will help with turn-in; 0.25° for tire wear, 0.5° for handling (not sure what that is in inches which most people refer to - maybe 1/16" and 1/8"?). Rear camber: -1.0° for tire wear; -1.5° for handling. Rear toe: Toe-in helps with keeping the car stable and compensates for dynamic toe changes due to bushing/arm flex; same as front toe but in, so 0.25° to 0.5°. You may also consider buying a laser thermometer or something to take tire temps so that you can better tune the alignment if you're going to be racing regularly.
__________________
Overkill/Self Tuned; Mace Camshafts; K&N Typhoon Cold Air Intake; Ported 80mm Throttle Body/Intake Manifolds/Manifold Spacer; Solo Performance High-Flow Cats, Cat-back Exhaust; Vitesse Motorsports Throttle Controller; Elite Engineering E2 Catch Can; BC Racing BR Coilovers; JPSS Delrin Radius Rod Bushing Inserts, Sway Bars; Pegasus Aluminum Rear Cradle Bushings, Camber/Caster Plates; Z/28 Toe Links, Trailing Arms, Upper Control Arm Bushings, Rear Shock Mounts
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