Cm2250 oil pressure numbers???

[overshot]

(07-16-2016 )jimeneztrans84 Wrote:  How long have you been with current psi?

about a month or so. since the outside temps started getting hotter.

[simon999]

On my 2350 oil pressure at 650rpm is 25psi, when driving 40-42psi. If you idle your truck always raise rpm atleast 850rpm, this will raise oil pressure to valve cam.

[overshot]

(07-16-2016 )simon999 Wrote:  On my 2350 oil pressure at 650rpm is 25psi, when driving 40-42psi. If you idle your truck always raise rpm atleast 850rpm, this will raise oil pressure to valve cam.

good point!!!!

[snailexpress]

(07-16-2016 )simon999 Wrote:  On my 2350 oil pressure at 650rpm is 25psi, when driving 40-42psi. If you idle your truck always raise rpm atleast 850rpm, this will raise oil pressure to valve cam.

Plus by Cummins recommendation will produce less soot.

[Rawze]

15 PSI is the bare minimum required oil pressure at idle from my understanding. Personally, I would like to see it up at 18+ at idle and that is what it is on my CM871.

I do run a gallon of gear lube though too, and that helps it a lot in this regard, especially in hotter weather. It is also why I use a gallon of 85/140 instead of 80/90 in the mid summer months.

[Unilevers]

holy shi#t guys, anything below 20psi hot idle is scary.

it is not supposed to be that low.

[jimeneztrans84]

Which type of gear lube do you use rawze? And what is the gear lube supposed to do?

[Waterloo]

(07-17-2016 )jimeneztrans84 Wrote:  Which type of gear lube do you use rawze? And what is the gear lube supposed to do?

Sta-Lube, GL4, CM-871 and older motors.

On the newer trucks with SCR systems a GL5 gear oil is recommended.

Here is what Rawze and many of us use in our CM-871 and older motors... https://www.amazon.com/Sta-Lube-SL24239-...ds=stalube

You can find this at most NAPA stores... Watch for it as it is on sale now at NAPA. https://www.napaonline.com/napa/en/p/SLR...SLRSL24239

Here is the GL5 on sale too at NAPA https://www.napaonline.com/napa/en/p/SLR.../SLRSL2473

Sometimes Amazon is cheaper and other times NAPA... I just order off of Amazon, two gallons at a time.

I use one gallon at every oil change, this is in a freshly in framed motor. It has the extra additives that keep our motors happy, and helps coat the surfaces, especially in the head.

[jimeneztrans84]

Can I start adding this on a 2011 cm2250 with 501,000 miles? Would it help it or only on freshly inframed motors?