Sway Bar Rate / Handling Chart What If Scenarios
Sway Bar Rate Increase by Diameter
(NOTE: These rates are based on using the same bar design)
|
|
1/2" |
9/16" |
5/8" |
11/16" |
3/4" |
13/16" |
7/8" |
15/16" |
1" |
1 1/16" |
| S |
1/2" |
0% |
60% |
257% |
|
|
|
|
|
|
|
| T |
9/16" |
|
0% |
52% |
123% |
216% |
|
|
|
|
|
| O |
5/8" |
|
|
0% |
46% |
107% |
186% |
284% |
|
|
|
| C |
11/16" |
|
|
|
0% |
42% |
95% |
162% |
246% |
|
|
| K |
3/4" |
|
|
|
|
0% |
38% |
85% |
144% |
216% |
|
|
13/16" |
|
|
|
|
|
0% |
35% |
77% |
129% |
192% |
| D |
7/8" |
|
|
|
|
|
|
0% |
32% |
71% |
117% |
| I |
15/16" |
|
|
|
|
|
|
|
0% |
29% |
65% |
| A |
1" |
|
|
|
|
|
|
|
|
0% |
27% |
Handling Chart What If Scenarios
| UNDERSTEER |
OVERSTEER |
Too large front bar vs rear sway bar
Too small front tires or narrow rim width
Heavy front weight bias
Narrow front track
Too stiff front springs
Low front tire pressure
Oversize rear tires
Steep roll axis
|
Too large rear vs front sway bar
Raised rear end
Undersized tires or narrow rims
Low rear tire pressure
Large rear overhang
Too stiff rear springs
|
| REAR BREAK-AWAY |
SLIDE |
Stiff springs and/or shocks on rough corners
Excessive rear overhang
No rear sway bar to equal road shock between rear wheels
High tire pressure
|
Too much speed for conditions
Tire compound or tire design
|
| EXCESSIVE BODY ROLL |
ADHESION LOSS |
High center of gravity (CG)
Sway bar(s) too small
Narrow track
Overloaded springs and shocks
|
Too stiff spring(s)
Narrow tire contact patch
Too high tire pressure
Too stiff shocks
|
| WHEEL HOP |
WHEEL LIFT |
Poor shocks
Worn suspension bushings
No traction bars
No rear sway bar
|
Poor weight distribution
Steep roll axis
Too small a sway bar on opposite end of car
|
| HIGHWAY WANDER |
BOTTOMING |
Play in steering
Incorrect alignment
Large "sail" area such as the side of an SUV
Rear wheel steer
Worn shocks and suspension bushings
Wrong size or no sway bar(s)
|
Overloaded springs
Worn shocks
Lack of suspension travel
|
| HIGH SPEED INSTABILITY |
|
Aerodynamic lift
Soft shocks
Light sway bar(s)
|
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