Ive heard that castrol will sludge up an engine in 2k miles. Ive heard that pennzoil will leave a pound of wax in your engine. Ive heard that quaker state is only marginally thicker than water. Ive heard.............The list goes on and on.
quote:Yeah, but I can pretty much guarantee that you didn't hear about GTX sludge or Pennzoil wax from this forum. However, when you repeatedly hear this or that about a certain oil based on actual data, you tend to kinda lean that way, ya know?
Originally posted by schwartr88: Ive heard that castrol will sludge up an engine in 2k miles. Ive heard that pennzoil will leave a pound of wax in your engine. Ive heard that quaker state is only marginally thicker than water. Ive heard.............The list goes on and on.
quote:No mention of Valvoline sludging engines. The Pennzoil and GTX comments were made to try to drive the point home that just because you hear this or hear that, it doesn't make it true. I made the comment that those were myths, as opposed to Valvoline's weak(er) add pack being based on VOA evidence. You're good mech, you didn't miss anything
Originally posted by mechtech: When did "Pennzoil sludges engines." turn into "Valvoline sludges engines."? I feel left out - like I missed a myth milestone!