Duke

Do you believe the CI-4 will be discontinued at some point? Should I buy a 55 gallon drum or two of the Rotella-T CI-4 oil? My 3 engines take about 4 gallons each. Or would you know if the oil manufacturers will still blend off-road only racing oils?

Or just bite the bullet and buy roller cams, meaning cams, lifter bore mods, lifters, different lengt pushrods, etc? Just doesn't make sense to me because I will be doing a top end rebuild every year on all three. I have no need to make any more power than I currently have available so I want to keep the exact cam profile I currently have.

I've read some of your engine related posts - I value your opinion!

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Thank You!
Fred
2009 ML350
2004 SL600
2004 SL500
1996 SL600
2002 SLK32
2005 CLK320 cabrio
2003 ML350
1997 C280 Sport