Red Line versus Valvoline versus Mobil One?

Bill Edgeworth · 10-09-2009, 12:43 PM

You cannot count on what worked best for someone else being best for your motor unless you have the exact same combo, same lifters, same rings, same clearances etc. you could throw 0-3wt pro stock oil in a solid cam motor an make more power but what’s it going to do in a hydraulic cam motor? With Sherman lifters? With Shubecks? With stock lifters? Probably fall flat on its face. Unfortunately the only way to really know what works best with your combo is lots of expensive dyno time! You also can’t change the oil on the dyno and expect to see the exact results on the next pull it takes a few runs for it to work in and see how it affects things like you ring seating, lifter bleed etc.
Lately I have been running both Red line which is now my preference and I also tried the Lucas oils which also seem good. In my opinion the Royal Purple is overpriced for what it is. I have also run the Mobil 0-20wt hybrid oil with a bottle of ZDP added. On my combo that gives about the same results as Racing 11.
Also Mobil has now brought out high zinc racing oils the price on their 20wt is ridiculous over $20 a quart.

10-09-2009, 12:43 PM	#11
Bill Edgeworth Member Join Date: Oct 2006 Location: Tacoma, WA Posts: 258 Likes: 0 Liked 0 Times in 0 Posts	Re: Red Line versus Valvoline versus Mobil One? You cannot count on what worked best for someone else being best for your motor unless you have the exact same combo, same lifters, same rings, same clearances etc. you could throw 0-3wt pro stock oil in a solid cam motor an make more power but what’s it going to do in a hydraulic cam motor? With Sherman lifters? With Shubecks? With stock lifters? Probably fall flat on its face. Unfortunately the only way to really know what works best with your combo is lots of expensive dyno time! You also can’t change the oil on the dyno and expect to see the exact results on the next pull it takes a few runs for it to work in and see how it affects things like you ring seating, lifter bleed etc. Lately I have been running both Red line which is now my preference and I also tried the Lucas oils which also seem good. In my opinion the Royal Purple is overpriced for what it is. I have also run the Mobil 0-20wt hybrid oil with a bottle of ZDP added. On my combo that gives about the same results as Racing 11. Also Mobil has now brought out high zinc racing oils the price on their 20wt is ridiculous over $20 a quart. __________________ Bill Edgeworth 6471 STK