A SERVICE OF

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SLASH 4X4 ULTIMATE
31
ADVANCED TUNING ADJUSTMENTS
Shock assembly
1. Replace the stock piston with desired
optional piston. Be careful not to lose
the small washer located below the
piston.
2. Position the new piston onto the shock
shaft above the small washer. Grip the
threads of the shaft with side cutters or
needlenose pliers and tighten the nut
with the 4-way wrench to secure the
assembly (D).
3. Insert the shock shaft assembly through
the shock body until the piston
bottoms out.
4. Lubricate the shaft and X-ring with
silicone oil.
5. Install the X-ring over the shaft and into
the bore of the shock body.
6. Install the lower cap using the
suspension multi-tool (B).
7. Grip the shaft close to the threads with
needlenose pliers or side cutters and
thread the rod end onto the shock
shaft until the rod end bottoms out (C).
8. Fill the shock with new silicone shock
oil up to the top of the shock body.
Slowly move the piston up and down
(always keeping it submerged in oil) to
release the air bubbles. Let the shock
sit for a few minutes to allow any
remaining air bubbles to surface.
9. Slowly thread the upper cap with the installed shock bladder onto
the shock body with the suspension multi-tool. The excess oil will
bleed out of the small hole in the shock cap. Tighten the shock cap
until snug. Use the included steel shock wrench to hold onto the
shock body while tightening (A).
10. Reinstall the spring and lower retainer.
SWAY BAR SETTINGS AND ADJUSTMENTS
• Adjust the sway bar links so the sway bars are level (parallel to the
ground) when the truck is on the ground and the suspension is at
rest (normal ride height). This allows equal sway bar travel in both
unloaded and loaded suspension conditions. Always adjust the
left and right sway bar links equally to prevent suspension tweak.
• The adjustable hollow balls can be
moved closer to or farther from
the sway bar mount (pivot point)
to increase torsion response and
fine tune the sway bar’s response
for different track conditions.
Closer to the pivot point results
in a stiffer setup, farther from the
pivot point will result in softer sway bar response.
For smooth surfaces with high traction:
• Adjust linkage placement for stiffer response
(closer to the sway bar mount).
For rough surfaces with low traction:
• Adjust linkage placement for softer response
(farther from the sway bar mount).
To reduce understeer (pushing in corners):
• Adjust front linkage placement for softer response
(farther from the sway bar mount).
• Adjust rear linkage placement for stiffer response
(closer to the sway bar mount).
To reduce oversteer (loose in corners):
• Adjust front linkage placement for stiffer response
(closer to the sway bar mount).
• Adjust rear linkage placement for softer response
(farther from the sway bar mount).
Stiffer
Softer
If you have questions or need technical assistance, call Traxxas at
1-888-TRAXXAS
(1-888-872-9927) (U.S. residents only)
7468
7468
7468
7463
7468
7463
7463
7463
F-7444
R-7446
7440 opt.
7442 opt.
7443 opt.
7447 opt.
7449 opt.
7441 opt.
7445 opt.
7448 opt.
7463
7464
Front (long)
7465
rear (xx-long)
7466
Front (long)
7467
rear (xx-long)
7463
(Rear Only)
7468
D. Piston Installation/Removal