I know when to change the oil in terms of miles, but I'm talking about when its warm after running for a few miles or should I let it set overnight so it all drains down? In the past, I've always warmed it up thinking it would drain easier.

 

Warming it up is better, you get more of the garbage out that way.

 

+1 I actually think you get more old oil out that way as well. It also runs out a bunch faster.

And it's nice and warm when it runs down your arm and makes you pee yourself...wait, I might have shared too much

 

LOL! That only happens if you are sleeping when you change the oil.

 

Once again it seems I do things opposite.
I change my oil after letting it sit overnight. Less oil running down my arm and less peeing. I've never seen any garbage come out - maybe it is building up in the pan.

 

It does slightly build up all over the motor, by warming it up, it loosens the thicker sludge and allows it to drain rather than settle in place.

 

I'm actually experimenting with some Auto RX right now.

When I swapped heads, I noticed some coking in the lifter valley in the ledges that never drain out and some "oil laquering" on the insides of the valve covers. I figure I'll give this stuff a go as it was highly recommended on bobistheoilguy.com forums and stick to the online directions like glue.

I'm 300 miles into the cleaning phase now, we shall see. Gonna take me darn near 6 months with my driving habits to finish a double flush.

 

I always use a quart of Rislone in all my motors for like 25+ years now. The stuff is great and the motors are always clean.

 

That stuff is well regarded in the VW Passat 1.8T world where I lived prior to the Ram. The longitudinally mounted 1.8T has less oil capacity and has a tendency to coke up dino oil in the turbo lines, which then breaks off and plugs up the pickup screen. This didn't happen to me, but I saw many posts about people who had intermittent oil pressure issues that went away after running AutoRX. I pulled my valve cover before and after, and it really does seem to do what it's advertised to do.

I need to run it in my truck-- I had a fair amount of sludge buildup in the lifter valley as well. The former owner must not have been all that religious about oil changes. I'm using Mobil 1 now so it should all be good.

Good stuff, anyway.

 

I also have been using Mobil1 for quite few years, and still use the Rislone. Not only is it good stuff, but saves on a 6 dollar qt. of oil. The Rislone keeps it clean if it's clean to start with, and slowly cleans if it's not. It doesn't shock the motor so to speak and loosen all kinds of sludge at once, which in itself causes other probs.