LF: 3" Between top of lower control arm and bottom of frame
RF: 3" Between top of lower control arm and bottom of frame
LR: Set with the wedge
RR: 4-1/4" Between the top of lower frame rail and bottom of
( Newer cars that have dropped down underslung bar )
3"( Older cars with up sloping underslung bar )
LF: 500 lb. RF: 400 lb.
LR: 275 lb. RR: 225 lb.
RF: 76 LR: 94 RR: 94
||Caster: LF: 2+
Camber: LF: 1 3/4+ RF: 2-
Toe Out: 1/8" to 1/4"
||73 Shock; 300 or 350 lb.
Spring; 3" travel; preload 1/4" and check travel.
range usually performs best
- Four bars should be run in the third hole up on the top bars
and left lower should be in the upper hole and right lower
should be in the lower hole.
- Raise right upper bar up to help a push condition.
bars up usually promotes forward bite initially but will unhook
car mid-straight away.
- Set cars w/75 to 100 lbs. left rear on birdcage, clamp bracket
optional for tight stop and go tracks.
varies according to track variations.
NOTE: Birdcages usually keeps the
car hooked longer
Rear: 53% Cross: 51%
NOTE: This is car
w/15 gallons of fuel.
NOTE: Scale the car without the
LENGTHS FROM CENTER TO CENTER:
||Left Upper: 17"
Right Upper: 17-1/2"
Left Lower: 15"
Right Lower: 15-1/2"
Panard bar should be 7 1/2 from bottom of frame rail to center line
of bracket and third hole down on pinon. Center to center is 18
3/4". 18 3/4" on dry slick track.
panard bar on pinion for more side bite
- Car tight: Soften front and stiffen rear
- Car loose: Stiffen front and soften rear
clamp bracket usually corrects a loose condition and requires a
25-lb. stiffer spring.
- Shock rates are important in tuning a car and softer shocks
will improve lap times on a smooth slick track.
- Lap times improved by keeping car straight and using a smooth
- All these set-ups can only be justified wth proper maintenance
and checking all suspension components on a regular basis.