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Follow up - Called Schaeffer's and got basically the same story, the 7000 Racing should work fine, 9000 Racing is better due to Full Synthetic and temp capacity. Both have similar additive package. I would say much of what was said here. Support was friendly and got right though. Getting back...

Not just you, but don't see anything that shows practically either of those oils performance is better than Schaeffer's or any of the dozens of touted Race oils. If I were to look at a second candidate I might look at Motul 300v, again more focused on a single brand for now, and all are...

Trying to focus on one brand for starters, Schaeffer's seems to be one that is a good option and unsolicited reviews. Only thing is a few "it's on the thin side of viscosity" reports. Likely many other oils will work just fine, if Rotella has worked well, many better race oils than that. Will...

Thanks, stepping away from both Rotella and RP. What is the main reason for 9000 vs 7000 choice? Temperature capability?

Pump will likely be bypassing with either at some RPM, but at hot idle that might be a simple check. Thanks Sandy

Well, specifically looking for people running it, not a huge deal if you don't know or don't use it. Will give the folks at Schaeffers a call, but more looking to folks running it, if you aren't, best advice is what you gave I guess. Sandy

Getting ready to fire up an aluminum SBF for road race use in my Sunbeam Tiger. Previously ran Rotella T6 or Royal Purple mostly. Motor (Gasoline) makes around 620hp in the 7500 rpm range, solid rollers, 8qt pan, oil cooler etc. Moving away from T6 and RP to Schaeffer's. Engine has been broken...