Monday, July 29, 2013

SP-1 diff item

One quick addition to the Sped Passion SP-1, regarding the diff.  The washer between the conical pressure washers and the diff nut should be replaced with a Tamiya RC Diff Spacer: 58431.  It makes the pressure on the conical washers even and improves the diff action....


  1. Can we use a slapmaster thrust bearing on the car?

  2. Rob, Don't you mean 13455940 as the part number? 58431 is for the F104 Pro kit... ??