New formula Rotella (ck-4) for gas marine engines?

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New formula Rotella (ck-4) for gas marine engines? #4623876 01/04/18 01:46 PM 01/04/18 01:46 PM
Joined: Jan 2010 Posts: 129 ca monster1 OP
monster1 OP Joined: Jan 2010 Posts: 129 ca	I've been running the older formula (cj-4)Rotella 15w-40 in my 04 volvo 4.3gxi. It doesnt appear that the new ck-4 rated oil has a sn rating like the cj-4. Is it rated for gasonline engines? Mire importantly, is it ok to run in marine engines? Thanks

Re: New formula Rotella (ck-4) for gas marine engines? [Re: monster1] #4623916 01/04/18 02:19 PM 01/04/18 02:19 PM
Joined: Sep 2015 Posts: 6,075 Kalifornia Kollective BrocLuno
BrocLuno Joined: Sep 2015 Posts: 6,075 Kalifornia Kollective	A lot of marine engines are flat tappet cams. Best to have >800 PPM ZDDP. So it's a searching game to find the HDEO with the right numbers. Off the top of my head, I'd go with Delo 15W-30 SD (severe duty) as the go-to oil for a while. It's very well respected and has >1,000 PPM ZDDP and a food add pak. You motor should be fine on 30 at op temp unless it has a zillion hours on it ... Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

Re: New formula Rotella (ck-4) for gas marine engines? [Re: BrocLuno] #4623972 01/04/18 03:06 PM 01/04/18 03:06 PM
Joined: Feb 2009 Posts: 1,585 wv krismoriah72
krismoriah72 Joined: Feb 2009 Posts: 1,585 wv	Originally Posted By: BrocLuno A lot of marine engines are flat tappet cams. Best to have >800 PPM ZDDP. So it's a searching game to find the HDEO with the right numbers. Off the top of my head, I'd go with Delo 15W-30 SD (severe duty) as the go-to oil for a while. It's very well respected and has >1,000 PPM ZDDP and a food add pak. You motor should be fine on 30 at op temp unless it has a zillion hours on it ... Here is Chevron 15w30SD ran in a lexus UOA https://bobistheoilguy.com/forums/ubbthreads.php/topics/4528999/1 Here is a side by side VOA of Rotella 5w40 beloved by all for 4 strokes.. CJ vs CK https://bobistheoilguy.com/forums/ubbthr...SM_#Post4490450

Re: New formula Rotella (ck-4) for gas marine engines? [Re: monster1] #4623976 01/04/18 03:11 PM 01/04/18 03:11 PM
Joined: Dec 2016 Posts: 7,151 Waco, TX Linctex
Linctex Joined: Dec 2016 Posts: 7,151 Waco, TX	a 2004 4.3 liter doesn't have a roller cam?!?! "The evidence demands a verdict". (Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

Re: New formula Rotella (ck-4) for gas marine engines? [Re: monster1] #4624031 01/04/18 04:02 PM 01/04/18 04:02 PM
Joined: Mar 2008 Posts: 5,964 South Florida bubbatime
bubbatime Joined: Mar 2008 Posts: 5,964 South Florida	It should have a roller cam. The Rotella will be fine. It is no longer gas rated, BUT, it will be fine. 17 Chrysler Pacifica Mobil 1 5W30 13 Yamaha XT250 Valv MC 10W40 10 Acura TSX 2.4 Maxlife Syn 5W30 06 GMC Sierra Nextgen 10W30

Re: New formula Rotella (ck-4) for gas marine engines? [Re: monster1] #4624097 01/04/18 05:11 PM 01/04/18 05:11 PM
Joined: Jan 2010 Posts: 129 ca monster1 OP
monster1 OP Joined: Jan 2010 Posts: 129 ca	That is correct. It has a roller cam.

Re: New formula Rotella (ck-4) for gas marine engines? [Re: monster1] #4624148 01/04/18 06:03 PM 01/04/18 06:03 PM
Joined: Jan 2010 Posts: 129 ca monster1 OP
monster1 OP Joined: Jan 2010 Posts: 129 ca	I guess I could switch to T6 5w-40. It's still gasoline rated. Last edited by monster1; 01/04/18 06:04 PM.

Re: New formula Rotella (ck-4) for gas marine engines? [Re: monster1] #4624176 01/04/18 06:30 PM 01/04/18 06:30 PM
Joined: May 2012 Posts: 5,667 Fort Lauderdale, FL DoubleWasp
DoubleWasp Joined: May 2012 Posts: 5,667 Fort Lauderdale, FL	A lot of this "gas rating" is due to additive level limits to protect catalytic converters. There is nothing in there that will hurt your engine. You have no catalytic converters. Dump it in, and enjoy. That's a roller engine for 100% certain. Stick with a 40 oil. VP stopped using and recommending 30s in that engine for a reason. If your engine does not have an oil cooler, then definitely stay away from 30. Oil gets nuclear hot in those engines under load.....fast. 07 Lincoln Navigator M1 0w-40/FU 68 Charger R/T / Supercharged 440 VR1/DBL7349 07 Ram 3500 4x4 / Cummins 6.7 /DBL7349 17 Maserati GranTurismo Cabrio

Re: New formula Rotella (ck-4) for gas marine engines? [Re: monster1] #4624186 01/04/18 06:52 PM 01/04/18 06:52 PM
Joined: Jan 2006 Posts: 1,063 Ruidoso, NM USA ammolab
ammolab Joined: Jan 2006 Posts: 1,063 Ruidoso, NM USA	Originally Posted By: monster1 I guess I could switch to T6 5w-40. It's still gasoline rated. Nope! 2009 Honda CR-V 2011 BMW R1200R 2005 Kaw Ninja 250 1994 Jeep Wrangler 2.5L 2016 Chevy SS Sport Sedan

Re: New formula Rotella (ck-4) for gas marine engines? [Re: ammolab] #4625519 01/06/18 01:24 AM 01/06/18 01:24 AM
Joined: Jan 2010 Posts: 129 ca monster1 OP
monster1 OP Joined: Jan 2010 Posts: 129 ca	They must not have changed the info on the website. Oh well. I'll just keep running this or chevron. Whatever is on sale.

Re: New formula Rotella (ck-4) for gas marine engines? [Re: monster1] #4625839 01/06/18 11:45 AM 01/06/18 11:45 AM
Joined: May 2006 Posts: 4,045 Central Wisconsin dwendt44
dwendt44 Joined: May 2006 Posts: 4,045 Central Wisconsin	I doubt the formula has changed enough to worry about. The change was the 'rating' over pressure by the government and MFGs not wanting anything that might foul the converters. There's no such thing as: Too big of a battery, Too large of a gas tank, or too loud of a horn, or too bright headlights.