Tuesday, October 30, 2012

HPI Cup Racer Front One Way Mods Shopping List

Here's the complete list to mod a TT-01 one way into the HPI Cup Racer. See part1, part2 and part3 for instructions. After running a pack, it's a fragile setup in that the diff gear can wander on the pressed bearing in a bearing jury rig. But, it drives so much better and the looks of the 510 are always great.

Boca Bearing
  • 2x 3x10x15mm bearings
  • 2x 3x6x10mm bearings
  • Bench vice, or similar, to press the bearing into the bearing 
  • (or 2x 3x6x15mm bearing, I couldn't find one)
Eagle Racing
  • TT-01 one way diff unit 
  • Cup Racer ball diff bevel gear - use the stock one that's already in the car, you won't need a ball diff for drifting if you lock the gear diff in the rear
Dremel bits
  • Grinding stones 
    • 1x small drum grinding stone
    • 1x tapered grinding stone
  • Sanding Disks
  • Drill bit, or small Dremel bit to hog out the ball diff hole

Safety bits
  • Always wear safety goggles and a dust mask/bandana when grinding
  • It's a good idea to wear gloves when using a Dremel (mechanics gloves are great)

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