I own a 91 civic with almost 300k miles on it. The manual says to use regular 5w-30 oil in it. But I was thinking of putting some of the Manual Transmission fluid from honda in it.
If the MTF fluid is not advised what kind of oil should I use? Synthetic, Blend, or Conventional?
If the MTF fluid is not advised what kind of oil should I use? Synthetic, Blend, or Conventional?