Duratrax Warhead Assembly And Operation Manual Download Page 12

SHOCK PRELOAD/RIDE HEIGHT ADJUSTMENT
The Warhead shocks have threaded preload adjusters on
them. This means by threading the collars down, you will
change the ride height. By threading the collars up, you
decrease the ride height. Make sure the preload is the same
from one side to the other.

SHOCK POSITION (UP AND DOWN)
Position the shocks up or down to set the general ride
height. For racing, it’s best to have a low ride height. Use the
upper holes holes in the tower and lower holes in the arms
to lower the ride height for racing.

FRONT SHOCK ADJUSTMENT (IN AND OUT)
Moving the tops of the shocks out will increase steering
resulting in quicker reaction. Moving the tops of the shocks
in will result in slower steering reaction, but will be smoother
over bumps. Mounting the bottoms of the shocks in the
inside holes will give more slow speed steering but will take
away some high speed steering.

REAR SHOCK ADJUSTMENT (IN AND OUT)
Moving the tops of the shocks in will result in more traction
in the corners and will be smoother over the bumps. Moving
the tops of the shocks out will give the truck more steering
and handle large jumps better.

SHOCK OILS AND SHOCK SPRINGS 
Many different combinations can be used between the
shock oils and shock springs. Some basic guidelines when
setting up the Warhead are that if the rear end is stiff it will
give the truck more steering and have less rear traction.
Stiffening the front will result in less steering and more rear
traction. Changing the position of the threaded shock pre-
load adjusters results in ride-height change only. It does not
change the spring tension. Optional springs are available to
tune your Warhead.

Thinner shock oil makes the shocks react faster which works
well on rough tracks, but makes the truck less stable and
may cause the truck to bottom out over large jumps. Thicker
shock oil makes the truck smoother over large jumps and in
straights, but less reactive over rough sections. The stock
truck comes with 30 wt. oil.

DIFFERENTIAL OIL/GREASE
The Warhead comes with sealed differentials filled with
medium grease. You can tune the truck by changing the
oil/grease either heavier or lighter.

For loose track conditions, use a lighter oil/grease. For high
traction conditions, use a thicker oil/grease.

ACKERMAN

There are two ways to adjust ackerman on the Warhead.

One way is by moving the steering tie rod on the knuckle. If
you use the front hole, you will have more ackerman
resulting in more initial turn in. By positioning the steering tie
rod in the rear hole, you will have less ackerman and a more
consistent feel.

The other way of adjusting ackerman is on the steering drag
link. By positioning the steering tie rod forward on the drag link,
you get less ackerman resulting in a smooth, consistent feel in
the corners. By positioning the tie rod back, you get more
ackerman resulting in more initial steering in the corners.

12

Summary of Contents for Warhead

Page 1: ...ASSEMBL ASSEMBLY AND OPERA Y AND OPERATION MANU TION MANUAL AL www www duratrax com duratrax com www www warheadmt com warheadmt com...

Page 2: ...W PLUGS DTXG3005 PHILLIPS HEAD SCREWDRIVER DTXR0124 20 O DONNELL FUEL DTXP0720 FUEL FILLER BOTTLE DTXP0150 PLIERS DTXR0300 ALKALINE BATTERIES GLOW STARTER DTXP3000 ENGINE TUNING SCREWDRIVER DTXR0185 A...

Page 3: ...honor the warranty Further DuraTrax reserves the right to change or modify this warranty without notice In that DuraTrax has no control over the final user assembly or material used for final user as...

Page 4: ...nd lid TRANSMITTER PREPARATION RECEIVER BATTERY INSTALLATION Install eight AA batteries into transmitter Insert the antenna into the top of the transmitter and tighten Turn the transmitter on and chec...

Page 5: ...UT ANTENNA WIRE OIL THE AIR FILTER Remove the air filter top and foam element Apply both tubes of air filter oil onto the foam element squeezing the element until it is completely coated with the oil...

Page 6: ...ses completely at idle Push the trigger and roll the truck to make sure the brakes are applied To shift the Warhead from forward to reverse flip the toggle switch to the opposite position IMPORTANT Be...

Page 7: ...lood due to the increased fuel pressure through the fuel lines siphon effect This makes starting very difficult when the tank is completely full When getting ready to start the engine ONLY fill the Wa...

Page 8: ...t performance TUNING TIPS After break in run the truck where you plan to do most of your driving grass street track etc Tune the high speed needle so the engine makes good power without overheating Us...

Page 9: ...have tried everything you can think of to remedy an engine that is not running correctly try using some fresh fuel FUEL SYSTEM The fuel line is susceptible to pinhole leaks You usually cannot see the...

Page 10: ...k fluid out you should properly refill the shocks for best performance 3 Make sure the servo saver is free moving and does not bind This will help prevent stripping of the servo during running 4 Check...

Page 11: ...ds each other Toe in increases stability during acceleration and high speed However toe in also decreases steering when entering a corner Toe out will increase steering into corners but will decrease...

Page 12: ...ve the truck more steering and have less rear traction Stiffening the front will result in less steering and more rear traction Changing the position of the threaded shock pre load adjusters results i...

Page 13: ...ase higher will cause oil to spill out when the other side of the diff is installed There are several different viscosities of oil available which allow you to tune your truck s handling to particular...

Page 14: ...r suspension arms equally Adjust to desired camber after assembly is complete Use threadlock on set screw The knuckle extension 159 mounts to the bottom of the knuckle arm 29 Make sure the knuckles tu...

Page 15: ...sion arms equally Adjust to desired camber after assembly is complete The turnbuckle has left and right hand threads Be sure to note this during assembly and assemble so the turnbuckles are oriented t...

Page 16: ...16 CHASSIS ASSEMBLY CLUTCH ASSEMBLY Position as shown The trailing edge is shaped differently...

Page 17: ...17 ENGINE MOUNT GEAR MESH USE THREADLOCK ON ALL SCREWS Adjust the gear mesh so you can just feel a little bit of play Too tight and the gears will wear prematurely Too loose and the gears will strip...

Page 18: ...SHOCK TOWER MOUNT 18...

Page 19: ...Do not push the piston out of the shock oil Slowly tighten the shock cap 97 onto the shock body 101 to allow the remaining air to escape through the bleed hole in the cap Apply a generous amount of s...

Page 20: ...ad battery box was designed to accept the optional 5 cell rechargeable battery pack DTXM2030 When adjusting the shift linkage make sure the shift lever will move completely in and out Roll the wheels...

Page 21: ...78 key into the radio box 79 and skid plate 5 To prevent servo damage do not overtighten If in doubt set it loose The ends of the steering drag link 71 should sweep rearward BELLCRANKS SERVO SAVER THR...

Page 22: ...generous amount of thread lock The recessed side of the shift hub 119 goes on last Tighten the set screw J through the hole in the 2 nd spur gear housing 120 Be sure not to overtighten or tighten the...

Page 23: ...he engine turn over easily Is foreign matter clogging the fuel tank or fuel line Is fuel in the fuel line The engine may be flooded Clear the engine of fuel Try starting the engine again Remove the ob...

Page 24: ...00 STREET TRAC TIRES DTXC5260 FAILSAFE UNIT DTXM4000 UNIVERSAL II STARTER BOX DTXP5600 FLASHPOINT DTXP3100 Visit our website at www duratrax com for more exciting products from DuraTrax CAMBER GAUGE D...

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