I keep hearing that RP is great in auto racing, and I heard stories of racers switching from Mobil 1 or Redline or Amsoil to RP. And yet, in VOAs and UOAs at this site, RP has not looked that great.
What is the deal with RP? Is it really a good oil or is it that over-rated?
What is the deal with RP? Is it really a good oil or is it that over-rated?