Newb Rotella T5 question

Joined
Sep 5, 2021
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1
Sorry for newb question.

Can I use these Rotella T5 10w-30 & 15w-40 oil in my gas engines? If it is ok, is it because of the API-CJ4/SM rating? Particularly the SM part?

Engines are 1997 4.6L F150 (205k miles) and 2003 2.3L (248k miles) by the way.
 

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Joined
Oct 9, 2004
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11,358
Location
Cincinnati, OH, USA
Yes-but if you burn a lot of oil, it might damage the catalytic converter. 15W40 might be a little thicker in arctic conditions, but the 10W30 flows really well cold. The 10W30 T5 might be one of the best universal (-ish) fleet oils out there.
 
Joined
Feb 4, 2018
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Berks County/Pa.
The Rotella T5 10W30 Synthetic Blend is great for a cleaning oil also. Used that for the first 3 or 4 short oil changes when I got my Ram in signature with 64,xxxx miles on it in April 2010 & the elderly gentleman I purchased from said he strictly used conventional oil from buying it brand new. I can tell you, the initial oil change/the Mopar Filter I took off of it was the heaviest I ever felt an oil filter after an OCI. Wish I would have cut it open & inspected it -- no doubt it was loaded up with something...
 
Joined
May 21, 2018
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It's rated SM. Your 1997 was probably rated for SL and your 2003 SM so you are covered there. I cannot imagine why you would pay extra for this lower PCMO rated oil when you can get an SP rated PCMO. If me I would use the SP rated oil and at those mileages it would be SuperTech 5 or 10w-30 SP/d1G2 (both your vehicles are rated for 5w-20 by Ford).
 
Joined
Feb 25, 2019
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559
Location
Cypress, Texas
yes of course those engines arent gdi so lspi isnt possibly a concern and those engines can run up to 20w-50 as ive done it on them before when i owned an f150 and ranger
 
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