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HINT

 –THREAD THE HOLES IN ALL OF THE  5245 CHASSIS SPACERS  WITH A 4-40 TAP IF YOU 

HAVE ONE AVAILABLE TO MAKE THE SCREWS HOLD BETTER. 

HINT

: BEFORE INSTALLING, HOLD THE 5377 KINGPIN BY THE THREADED END IN A HAND DRILL 

AND USE VERY FINE SANDPAPER, THEN METAL POLISH TO MAKE THE SURFACE OF THE KINGPIN 
SMOOTHER  FOR A MORE CONSISTENT SUSPENSION.  KEEPING THEM CLEAN AND RE-LUBED 
WITH SILICONE GREASE ALSO WILL MAKE THE HANDLING BETTER. 

HINT:

 RUN A 1/8 DRILL THROUGH THE HOLE IN THE 5351 STEERING BLOCK S AFTER INSERTING 

THE 5364 STUB AXLES AND/OR TRIM THE OUTER EDGES OF THE HOLES WITH A SHARP HOBBY 
KNIFE. MAKE SURE THEY SLIDE FREELY ON THE KINGPINS. ADD A LITTLE LIGHT GREASE OR SILI-
CONE LUBE, INSTALL THE STEERING BLOCKS, THEN THE SPRINGS, WASHERS, AND E-CLIPS 

  HINT:

 GET YOUR AXLE THROUGH THE BUSHINGS, ATTACH A DRILL TO ONE END,  LUBE THE 

BUSHINGS WITH LIGHT OIL AND RUN  IT FOR A WHILE TO BREAK THE BUSHINGS IN TO THE SUR-
FACE OF THE AXLE. MAKE SURE TO KEEP IT OILED. AND SLIDE IT BACK AND FORTH A SMALL 
AMOUNT WHILE RUNNING.  ADD THE OTHER SPACERS AND THE SET SCREW HUB.  

HINT: 

TIGHTEN THE SETSCREW LIGHTLY, REMOVE THE HUB AND GRIND OR FILE A FLAT SPOT 

WHERE THE SET SCREW HITS THE AXLE SO THE HUB WON’T SPIN ON THE AXLE UNDER LOAD. 
THIS IS A 

MUST 

IF YOU UPGRADE TO HYBRID OR ALUMINUM SET SCREW HUBS. 

HINT: 

YOU CAN SCRATCH THE INSIDE SURFACE OF THE DIFF HUB WHERE IT TOUCHES THE 

ALUMINUM ADAPTOR A LITTLE WITH COARSE SANDPAPER AND USE A LITTLE SUPER GLUE TO 
KEEP THE HUB FROM SLIPPING ON THE ADAPTOR. 

ALSO  

TRIM AROUND THE EDGE OF THE 

HOLE IN THE OUTSIDE OF THE HUB TO MAKE SURE THE BALL THRUST BEARING SITS FLAT. YOU 
CAN ALSO SCUFF ONE SIDE OF EACH DRIVE RING TO KEEP THEM FROM SLIPPING AGAINST THE 
AXLE HUB OR ADAPTOR, BUT YOU WILL NOT BE ABLE TO TURN THEM OVER AND USE THAT SIDE 
AFTER THE BALLS WEAR A GROOVE IN THEM. 

ASSEMBLY HINTS AND SUGGESTIONS 

FRONT END 

REAR AXLE AND HUBS 

RACING & SETUP SUGGESTIONS 

   ALL CARS ARE SLIGHTLY DIFFERENT DUE TO VARIATIONS IN PARTS AND ASSEMBLY CARE 
AND TECHNIQUES , BUT THESE GENERAL SUGGESTIONS WILL APPLY. 
  TRY YOUR CAR OUT WITH CLEAN TIRES WITH SOME TRACTION COMPOUND OR WD-40 AP-
PLIED TO THE REAR TIRES. IT’S BETTER TO START WITH A CAR THAT IS STABLE THAN ONE 
THAT HAS SEVERE OVERSTEER.  IF YOUR CAR TRIES TO ROLL OVER IN THE CORNERS, YOU 
NEED TO REDUCE THE PRESSURE ON THE RIGHT REAR TIRE. YOU CAN MAKE A SMALL AD-
JUSTMENT BY TIGHTENING THE LEFT COLLAR AND SPRING ON THE DAMPER AND TIGHTEN 
THE RIGHT REAR SILICONE TUBE & COLLAR, OR LARGER ADJUSTMENT BY ADDING A SHIM ON 
TOP OF THE RIGHT FRONT SUSPENSION SPRING. 
  THIS INCREASES THE CROSS WEIGHT ON THE LEFT REAR AND RIGHT FRONT TIRE, REDUCING 
THE TENDENCY OF THE RIGHT REAR TO BITE  TOO HARD AND FLIP THE CAR. 
  ALL ADJUSTMENTS VARY ACCORDING TO THE SURFACE YOU ARE RACING ON AND THE TYPE 
OF TRACTION COMPOUND IN USE THERE AND HOW MUCH OF IT IS ON THE TRACK. 
 THERE ARE DIFFERENT FRONT SPRINGS AVAILABLE FROM SOME RC MANUFACTURERS AND 
OUR REAR SPRINGS ARE THE SAME SIZE AS ONES USED BY ASSOCIATED RC ON THEIR PAN 
CARS. 
  

BALL BEARING SETS   

ARE AVAILABLE FROM SEVERAL RC SOURCES AND OUR CARS  

     REQUIRE 4 –1/8 X 5/16” FLANGED BEARINGS FOR THE FRONT WHEELS AND 2– 1/4 X 3/8      
FLANGED BEARINGS FOR THE REAR AXLE. 

Summary of Contents for SPEC 10 ROAD/OVAL KIT

Page 1: ...HE FOLLOWING BAG L5 REAR SPEC RACING TIRES 1064 LATE MODEL STOCK CAR BODY 2035 INSTRUCTION PKG BAG N1 CHASSIS KIT BAG L2 REAR AXLE PARTS BAG L4 FRONT SPEC RACING TIRES STEP 1 OPEN BAG N1 AND NIB ASSEM...

Page 2: ...SIS BACK OVER AND AT TACH THE TWO LONGER BODY POSTS TO THE HOLES IN THE BUMPER WITH 3 8 SCREWS AND ADD THE ADJUSTABLE NUTS ADD A DROP OF LIGHT OIL IF THE NUTS ARE TOO TIGHT ON THE POSTS STEP 9 ATTACH...

Page 3: ...D THROUGH THE LARGE COLLAR ATTACHED TO THE 5057 BRACE AND SNAP IT ONTO THE BALL STUD ON THAT SIDE ADD A SILICONE TUBE AND COLLAR ON EACH ONE PUSH THE REAR COLLARS FORWARD UNTIL THE SILICONE TUBES COMP...

Page 4: ...SERVO TAPE SUPPLIED TRY TO GET THE OUTPUT ARM CLOSE TO THE CENTER OF THE CAR USE A TIE STRAP TO MAKE SURE IT STAYS INSTALL THE WIRE LINKS AND ATTACH THEM WITH COLLARS AND SET SCREWS FROM THE HARDWARE...

Page 5: ...EMENT PARTS AND ACCESSORIES ARE AVAILABLE THROUGH YOUR LOCAL HOBBY SHOP HAVE FUN WITH YOUR RJ SPEED SPEC 10 OVAL ROAD RACER STEP 23 INSTALL THE BUSHINGS IN THE FRONT TIRES APPLY A LITTLE LIGHT OIL ON...

Page 6: ...57 SPEC CHASSIS BRACE 5068 SPEC 10 CHASSIS SIDE 2 5069 SPEC 10 MOTOR PLATE 2 5071 SPEC 10 REAR BODY MOUNT 5072 SPEC 10 BUMPER 5076 SPEC FLEX PLATE 5079 SPEC MOD DAMPER ASSY 5188 REAR AXLE HT ADJUSTERS...

Page 7: ...PTOR ALSO TRIM AROUND THE EDGE OF THE HOLE IN THE OUTSIDE OF THE HUB TO MAKE SURE THE BALL THRUST BEARING SITS FLAT YOU CAN ALSO SCUFF ONE SIDE OF EACH DRIVE RING TO KEEP THEM FROM SLIPPING AGAINST TH...

Page 8: ...AND 7207 LOCK NUT IN THE REAR HOLE AND THE SUP PLIED 4 40 X 1 4 SCREW THRU THE CENTER PLATE AND THREAD IT INTO THE OUTER ARM USE OUR 5318 NARROW ALUMI NUM HUB TO UPGRADE YOUR DIFF IT WILL MATE UP TO T...

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