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differential

  1. Focus RS Maintenance
    I have a 2018 RS with the factory (Quaife) front diff. I am approaching 500 track miles and plan to change the fluid in the rear drive unit soon per the manual. I have found nothing written in the manual or online about the front differential being on the same interval. My dealer is no help...
  2. Focus RS Racing
    So, I broke the front axle on my GTR and my MPSS are toast on the RS. I bought some Ferrari Challenge Pirelli slicks for the RS tomorrow, because I have issues... I am obviously worried I am going to cook the rear differential faster than normal. I believe I have heard of some fluid options...
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