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350-400

INSTRUCTIONS

© 2019, Speedway Motors, Inc.

Unser Rear Suspension

    62-67 Chevy Nova

1.

 Remove Rear Suspension: Raise the car and support it with jack stands or a lift. Remove the exhaust, 

drive shaft, rear end, and all rear suspension components including the rubber bump stops. Disconnect 

fuel lines and remove fuel tank. Remove fuel lines, brake lines, and E-brake cables from bottom of car. 

These can be re-routed through the holes in the chassis brace after installation. 

2.

 Prep for Welding by raising the chassis brace into its approximate position and mark all areas that will 

be welded. These areas should be ground down to bare metal to provide the proper conditions for 

welding. (Any carpet or padding installed on back side of weld areas should be removed at this time.) To 

position the chassis brace, the rear flanges of the chassis brace should be clamped tight against the leaf 

spring boxes while the chassis brace is pushed up against the bottom of the car and centered left to right. 

5/16-18 X 3/4" BOLTS

(THREAD INTO FACTORY SHOCK BOLT HOLES)

CLAMP THESE FLANGES TIGHT

AGAINST THE FRONTLEAF SPRING BOXES

TO LOCATE THE CROSSMEMBER.

SLIP OVER FACTORY FLOOR SUPPORTS

FRONT SUPPORT TUBES SHOULD FIT TIGHT

AGAINST CROSSMEMBER FOR WELDING

FIT BETWEEN ROCKERS

FIT BETWEEN FRAME RAILS

3.

 Repeat step two with the rear cross member and front supports. Depending on the car, minor 

trimming/fitting may be required. Bolt the upper rear crossmember to the car using the four supplied 

5/16”-18 x 3/4” bolts. These bolts will go into the factory shock bolt holes. This will locate the 

crossmember in the proper location.

Summary of Contents for 350-400

Page 1: ...pair G CompUpperCrossmember G Comp54 FloaterRearHousing FloaterComponents 25 5 DoubleSplinedAxle 31 30 DoubleSplinedAxle 31 HardwareKit UnserRear G CompRearWattsLinkPackage G CompRearSwayBar Nova Kit...

Page 2: ...g installed on back side of weld areas should be removed at this time To position the chassis brace the rear flanges of the chassis brace should be clamped tight against the leaf spring boxes while th...

Page 3: ...lat side of the bolt should be facing upwards Tighten the nut until it just touches the cam spacer but do not fully tighten it yet Raise the rear end housing into its approximate location Using the su...

Page 4: ...to keep the rod ends adjusted evenly on either side of the tube Note The center pivot bolts must be installed as shown with the nut towards the rear of the car Installing them in the other direction...

Page 5: ...Then tighten the axle nut until it just starts to get snug At this point the hub should spin freely with little to no resistance and there should be no endplay in the bearing Bend the tab on the lock...

Page 6: ...d end onto the male rod end leaving roughly 1 4 of threads showing Attach the female rod end to the rearend housing using 3 8 24 x 1 1 4 bolt and lock nut Assemble the opposite side in the same manner...

Page 7: ...width of 1 For recommended part numbers please visit our website or contact one of our tech experts 19 Re install the drive shaft fuel tank fuel lines brake lines exhaust etc Bleed the brakes Fill th...

Page 8: ...15 restocking charge plus freight to and from destination WARRANTY CLAIMS If the item is used or installed and a warranty claim request is submitted warranty work is done by the manufacturer and may...

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