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Oval Track Quick-Fix Setup Guide
For your garage adjustment pleasure:
Chassis adjustments & possible causes
This section will list excessive chassis adjustments & what there effect on the chassis & or handling of the car will be. Please use this section only as a general guide. You may not see the same exact results as mentioned below. Other component settings may mask changes made in different areas. Adjustments in other areas may be needed first before you see some of the changes indicated below in certain areas. All troubleshooting answers assume the rest of the chassis is already set correctly or close to being correct.
CAMBER
Too much negative RF camber:
*
Inside of tire excessively hot.
*
Car turns into a corner too quickly or becomes loose.
Too much negative LF camber:
*
Inside of tire excessively hot.
*
Reduced pull to the left entering a corner.
*
Chassis will tighten up from the middle out.
Too much negative RR camber:
*
Inside of tire excessively hot.
*
Tight condition from the middle out.
Too much negative LR camber:
*
Inside of tire excessively hot.
*
Loose condition entering a corner.
Too much positive RF camber:
*
Outside of tire excessively hot.
*
Car turns into a corner too slowly & feels tight.
Too much positive LF camber:
*
Outside of tire excessively hot.
*
Increased pull to the left entering a corner.
*
Chassis will loosen up from the middle out.
Too much positive RR camber:
*
Outside of tire excessively hot.
*
Loose condition from the middle out.
Too much positive LR camber:
*
Outside of tire excessively hot.
*
Tight condition entering a corner.
CASTER
Too much caster:
*
Car is more difficult to steer, more effort is required. (more noticeable with a force feedback wheel)
*
Car will tend to loosen up the more the wheel is turned.
Not enough caster:
*
Car too sensitive, steering becomes twitchy.
*
Very little steering feel, less effort is required to turn. (more noticeable with a force feedback wheel)
Excessive caster stagger:
*
Harder to steer in one direction than the other.
*
Car will pull towards the side with less caster.
*
Car will feel loose entering a corner.
DIFFERENTIAL RATIO
Too high a ratio:
*
High rpms, potential for a blown engine.
*
Loss of traction or wheel spin when accelerating.
*
Loss of top speed at the end of a straight-away.
Too low a ratio:
*
Low rpms.
*
Car feels sluggish upon acceleration.
*
Car feels under powered.
FRONT BIAS
Too much front bias:
*
Will cause car to push.
Not enough front bias:
*
Will cause car to be loose.
FRONT BRAKE BIAS
Too much front brake bias:
*
Will cause car to push while braking.
Not enough front brake bias:
*
Will cause car to become loose while braking.
FRONT SWAY BAR
Too large a bar:
*
Car feels stiff, unstable & does not roll while cornering.
*
Car pushes through the corners.
*
Front may tend to slide & not take set.
*
Car may get tighter as you progress through turn.
Too small a bar:
*
Car rolls excessively while cornering & could bottom out on the RF.
*
Back of the car is hard to control & feels real loose.
*
Car is slow to respond when changing directions.
FRONT TOE OUT
Too much toe out:
*
Car feels difficult to turn into corner.
*
Car may not take set in the corner.
*
Car will want to push.
*
Car may wander under heavy braking.
Too much toe in:
*
Car turns into a corner quicker than it should with very little wheel movement.
*
Car will feel loose upon entry into a corner & is generally unstable.
GRILL TAPE
Too much tape:
*
Water temperature will rise. Potential engine damage.
*
Increased speeds
*
Front end will stick extremely well causing a loose condition.
Not enough tape:
*
Cool engine temperatures.
*
Slower top speeds.
*
Little or no front downforce will cause the car to push.
LEFT BIAS
Too much left bias:
*
Will cause car to pull to the left.
*
Car will turn left much easier than right.
*
Car will loosen itself up when negotiating left hand turns.
Not enough left bias:
*
Car will not turn left into a turn as easy.
*
Car will turn right much more easier.
*
Car will feel tight when negotiating left hand turns.
REAR SWAY BAR
Too large a rear sway bar:
*
Car will feel loose
*
May feel excessive wheel spin on exit.
Too small a rear sway bar:
*
Car will feel tight.
RIDE HEIGHT
Too low a ride height:
*
Car will bottom out.
*
On the RF,LF, & RR the car will feel loose.
*
On the rear will increase straightaway speeds.
Too high a ride height:
*
On the LR will loosen the chassis.
*
On the LR may cause the RF to bottom out.
*
On the RF will tighten the chassis.
*
On the rear will increase rear traction & bite.
SHOCKS
Front shocks too stiff:
*
Car will push entering the corner while braking.
*
Car will also push while accelerating exiting a corner.
Front shocks too weak:
*
Car will be loose entering a corner while braking.
*
Car will also feel loose exiting a corner while under acceleration.
Rear shocks too stiff:
*
Car will be loose entering a corner while braking.
*
Car will also feel loose exiting a corner while under acceleration.
Rear shocks too weak:
*
Car will push entering the corner while braking.
*
Car will also push while accelerating exiting a corner.
SPOILER
Too high a spoiler:
*
You'll notice slower straight-away speeds.
*
Chassis will feel tight while cornering.
Too low a spoiler:
*
Quicker straight-away speeds.
*
Chassis will feel loose while cornering.
SPRINGS
Front springs too stiff:
*
Car will Understeer.
*
Car feels stiff & unresponsive.
Front springs too weak:
*
Car will Understeer.
*
Front of car will dive entering a corner & may bottom out while braking.
*
Excessive body roll.
*
Mid turn push.
Rear springs too stiff:
*
Car will Oversteer when accelerating.
*
Excessive wheelspin.
Rear springs too weak:
*
Car will Understeer.
*
Excessive rear squat when accelerating possibly bottoming out.
*
Car will roll over onto the RR.
*
Car may be slow to take a set.
RF too stiff:
*
Car will push or Understeer.
RF too weak:
*
Car will be loose or Understeer.
LF too stiff:
*
Car will be loose or Understeer.
LF too weak:
*
Car will push or Understeer.
RR too stiff:
*
Car will be loose or Understeer.
RR too weak:
*
Car will push or Understeer.
LR too stiff:
*
Car will push or Understeer.
LR too weak:
*
Car will be loose or Understeer.
STEERING RATIO
Too high a ratio:
*
Slow steering response.
*
More steering required to negotiate a corner.
Too low a ratio:
*
Quick steering response.
*
Very little steering needed to negotiate a corner.
*
Car feels sensitive or twitchy.
TIRE PRESSURE
Front pressure too low:
*
Excessive heat in tire.
*
Car will Understeer.
Front pressure too high:
*
Cooler tire temperatures.
*
Higher temp. in the middle of the tire.
Rear pressure too low:
*
Excessive heat in tire.
*
Car will Oversteer.
Rear pressure too high:
*
Cooler tire temperatures.
*
Higher temp. in the middle of the tire.
RF too high:
*
Car will feel loose.
RF too low:
*
Car will feel tight.
RR too high:
*
Car will feel loose.
RR too low:
*
Car will feel tight.
LR too high:
*
Car will feel tight from the middle out.
LR too low:
*
Car will feel loose from the middle out.
LF too high:
*
Car will feel tight.
LF too low:
*
Car will feel loose.
TRACK BAR
Too low:
*
Car will roll less.
*
Car will Understeer or feel tight.
Too high:
*
Car will roll more.
*
Car will Oversteer or feel loose.
Right side too low:
*
Car will feel loose entering a corner while braking.
*
Car will push exiting a corner while accelerating.
Right side too high:
*
Car will push entering a corner while braking.
*
Car will feel loose exiting a corner while accelerating.
TRANSMISSION RATIO
Too high a ratio:
*
High rpms, potential for a blown engine.
*
Loss of traction or wheel spin when accelerating.
*
Loss of top speed at the end of a straight-away in 4th gear.
Too low a ratio:
*
Low rpms.
*
Car feels sluggish upon acceleration in 4th gear.
*
Car feels under powered.
WEDGE
Too much:
*
Car will push.
*
Prematurely worn RF & LR tires.
Not enough:
*
Car will be loose.
*
RF & LR tires not carrying there fair share of the load.
Handling problems & possible causes
This section will list various handling problems & what might be causing those handling problems. Please use this section only as a general guide. You may not see the same exact results as mentioned below. Other component settings may mask changes made in different areas. Adjustments in other areas may be needed first before you see some of the changes indicated below in certain areas. All troubleshooting answers assume the rest of the chassis is already set correctly or close to being correct.
CAR FEELS UNSTABLE
*
Excessive front toe.
*
Too soft a shock.
*
Too much camber stagger.
*
Excessive front or rear bias.
*
Not enough caster
*
Excessive caster stagger.
*
Front sway bar too stiff.
*
Excessive front or rear brake bias.
*
Fuel load had changed.
*
Too much grill tape.
*
Too low a ride height
*
Spoiler too low.
*
Wrong spring.
*
Steering ratio too low.
*
Steering linearity too high.
*
Tire psi. too low.
CAR FEELS UNRESPONSIVE
*
Tire psi too low.
*
Springs too soft.
*
Shocks too soft.
*
Front sway bar to small.
*
Track bar too high.
*
Too much caster
CAR FEELS OVER RESPONSIVE
*
Tire psi too high.
*
Springs too stiff.
*
Shocks too soft.
*
Front sway bar to large.
*
Track bar too low.
CAR IS LOOSE ENTERING CORNER
*
Too much stagger.
*
Not enough toe out.
*
Too much negative RF camber.
*
Too much positive LF camber.
*
RR camber too high.
*
Too much caster stagger.
*
RF caster too high.
*
Not enough front brake bias.
*
Not enough front bias.
*
Front sway bar too small.
*
Too much grill tape.
*
Too large a rear sway bar.
*
LR ride height too high.
*
LR shock rebound too stiff.
*
LF shock compression too soft.
*
RR shock rebound too stiff.
*
Front shock compression too soft.
*
Rear shock rebound too stiff.
*
Spoiler angle too low.
*
Front springs too weak.
*
Front spring stagger to high.
*
Rear springs too stiff.
*
RF spring too soft.
*
RR spring too stiff.
*
Front spring stagger too high.
*
Steering ratio too high.
*
RF tire psi. too high.
*
RR tire psi. too high.
*
LF tire psi. too low.
*
RF caster too high.
*
Track bar too high.
*
Right side track bar too low.
*
Wedge too low.
*
Too much trail braking.
*
Driver error. (erratic throttle & steering inputs)
CAR IS LOOSE IN THE MIDDLE OF A CORNER
*
Wedge too low.
*
RF spring too soft.
*
RR spring too stiff.
*
Too much rear spring stagger.
*
Front sway bar too soft.
*
RR psi. too high.
*
Stagger too high.
*
Track bar too high.
*
Front tire psi. too high.
*
LR tire psi. too low.
*
Excessive front toe (in or out)
*
Improper camber settings.
*
Not enough negative LF camber.
*
Excessive positive camber in the RR.
*
Too much positive caster.
*
Too high a differential ratio causing wheel spin.
*
LF shock compression too low.
*
LR shock rebound too high.
*
RR shock compression too high.
*
Right side track bar too high. (too much split on banked tracks)
*
Left side track bar too high, (Not enough split on flat tracks)
*
Not enough front bias.
*
Spoiler too low.
*
Driver error. Compensating for a corner entry push.
CAR IS LOOSE EXITING A CORNER
*
Too much stagger.
*
Wedge too low.
*
LF caster too low.
*
Too much positive LF camber.
*
LR spring too soft.
*
RR spring too stiff.
*
Decrease rear spring stagger.
*
RR tire psi. too high.
*
LR tire psi. too low.
*
Too high a differential ratio causing wheel spin.
*
Not enough front bias.
*
Too small a front sway bar.
*
Excessive front toe (in or out).
*
Too much grill tape.
*
Too large a rear sway bar.
*
LR ride height too high.
*
Rear shock compression too stiff.
*
Front shock rebound too soft.
*
Spoiler too low.
*
Rear spring stagger too high.
*
Front springs too weak.
*
Rear springs too stiff.
*
Track bar too high.
*
Track bar on right side is too high.
*
Driver error. (erratic throttle & steering inputs)
CAR PUSHES ENTERING CORNER
*
Not enough stagger.
*
Too much toe out.
*
Not enough negative RF camber.
*
Not enough positive LF camber.
*
Not enough caster stagger.
*
Too much front brake bias.
*
Too much front bias.
*
Front sway bar too large.
*
Not enough grill tape.
*
Too small a rear sway bar.
*
LR ride height too low.
*
LR shock rebound too weak.
*
Front shock compression too stiff.
*
Rear shock rebound too weak.
*
Spoiler angle too high.
*
Front springs too stiff.
*
Front spring stagger to low.
*
Rear springs too weak.
*
RF spring too stiff.
*
RR spring too soft.
*
Front spring stagger too low.
*
Steering ratio too low.
*
RF tire psi. too low.
*
RR tire psi. too low.
*
LF tire psi. too high.
*
RF caster too low.
*
Track bar too low.
*
Right side track bar too high.
*
Wedge too high.
*
Driver error.
CAR IS TIGHT IN THE MIDDLE OF A CORNER
*
Wedge too high.
*
RF spring too stiff.
*
RR spring too soft.
*
Not enough rear spring stagger.
*
Front sway bar too stiff.
*
RR psi. too low.
*
Stagger too low.
*
Track bar too low.
*
Front tire psi. too low.
*
LR tire psi. too high.
*
Excessive front toe (in or out)
*
Improper camber settings.
*
Too much negative LF camber.
*
Not enough positive camber in the RR.
*
Not enough positive caster.
*
Too low a differential ratio.
*
LF shock compression too high.
*
LR shock rebound too low.
*
RR shock compression too low.
*
Right side track bar too low. (not enough split)
*
Too much front bias.
*
Spoiler too high.
*
Driver error. Compensating for corner entry looseness.
CAR PUSHES EXITING A CORNER
*
Not enough stagger.
*
Wedge too high.
*
LR spring too stiff.
*
RR spring too soft.
*
RR tire psi. too low.
*
LR tire psi. too high.
*
Too low a differential ratio.
*
Too much front bias.
*
Too large a front sway bar.
*
Excessive front toe (in or out).
*
Not enough grill tape.
*
Not enough positive LF camber.
*
Too small a rear sway bar.
*
LR ride height too low.
*
Rear shock compression too soft.
*
Front shock rebound too stiff.
*
RR shock compression too low.
*
Spoiler too high.
*
Rear spring stagger too low.
*
Front springs too stiff.
*
Rear springs too soft.
*
Track bar too low.
*
Track bar on right side is too low. (not enough split)
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