Pivot ball ABOVE rear toe-in linkage:
• outside rear wheel toes-out when cornering
• improved high speed steering
• improved braking stability
• less stable under acceleration
Pivot ball LEVEL WITH rear toe-in linkage:
• no dynamic rear toe effect, works like normal suspension
Pivot ball BELOW rear toe-in linkage:
• outside rear wheel toes-in when cornering
• improved traction in slow corners
• less stable under braking
B9. UPSTOPS
Upstops are used to prevent the front of
the chassis from bottoming out on the
pavement under braking.
Upstop settings are directly impacted by
ride height. As the tires wear (foam tires in
particular) the ride height decreases, and
the front upstop setting must be increased
to prevent chassis bottoming.
Higher upstop setting
• more space beneath chassis
• less chance of chassis bottoming under braking
• use with softer shock settings
Lower upstop setting
• less space beneath chassis
• more chance of chassis bottoming under braking
• use with stiffer shock settings
IMPORTANT! Upstop screws must be set equally on left and right
sides, otherwise the car may suffer from massive tweak under braking.
B10. ANTI-ROLL BARS
Anti-roll bars are used to adjust
the car’s side (lateral) traction.
Anti-roll bars resist chassis roll
and by doing so transfer wheel
load from the inside wheel to the
outside wheel. The stiffer the
anti-roll bar, the more load is
transferred from the inside wheel
to the outside wheel. However, as
the outside wheel is not able to
convert all the extra wheel load
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