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Originally Posted by TiredTrucker No rods and mains or inframe in that time? That would be pretty good for a Detroit. I dropped a factory reman 12.7L Detroit 60 in my 2013 Freightliner new truck that was ordered from the factory without an engine. I am at 978,000 miles on it now. Roughly 22,500...

I always thought the same thing. Change every 12 months regardless of the use. But clearly with uoa's I haven't seen any reason to.

Thanks! I've been a schaeffer's user for years on vehicles and equipment and I'm really convinced that there isn't much difference between running delvec or schaeffer's with the low hrs/miles put on per year.

Thanks, really appreciate your insight.

We have a fleet of 6 semi's we change every 12k with delvec. Overkill? Maybe but it's cheap insurance and 2 trucks have over 35k hours and never been touched inside

Ok thanks, 90% is pulling my fithwheel camper weighs around 11k dry. Unless I'm not reading it correctly, I thought schaeffer's had a lot of moly and higher zinc? From this sample it doesn't look much different than a sample I saw of Mobil delvec 1300 for a dino oil. Any insight on that?

Ok thanks kinda what I was thinking. Is it something to go by 12 months or actually go by the drain intervals? I figured a year was long enough

There was 4550 miles on the oil. Just wondering if there is really much difference of protection from this versus a dino oil if only going to put around 5k miles a year? Don't care about the cost just the best product

Hopefully you can open this

First sample on this truck after 1st run on schaeffer's. Miles from the whole year is the only reason I changed it.

Schaeffer's is no snake oil been using it for 12 years. In semi's guys are running 60k drain intervals with clean UOA to go farther. This buy far would make it a good choice

This is really neat to see! I've used schaeffer's for 13 years now and have been hooked to it. I don't put the miles or hours on equipment like you are getting but nice to know that it's good for a lot longer! Best stuff out there in my opinion.

Originally Posted By: ozzmann I had and 2006 F-250 with a 6.0 I got the best UAO with Schaeffer 15w-40 Supreme 7000. I tried Rotella, Mobil Delvac and Ford Oil and Schaeffer was the best. Still use it today in my 2012 Dodge 2500. thanks i used to use schaeffers products and really liked them...

ok thanks guys

k thanks all i wanted was opinions think i got them

k thanjs realy apreciate just worried about varnishing with paraffin base

thanks for the help. is it true that the paraffin base in conventional oil is bad for the injectors? and should only use syns for this case? just curious its prolly just all opinions

Originally Posted By: Volvohead I smell something weird here. Six threads? Its five threads and five different questions. If you don't have a valued answer then maybe you shouldn't respond. The hole point of threads is for advice thats what there here for. Thanks for the people that understand...

help me out just bought a 6.0L with 205k on it have no idea whats been used before. Trying to descide what to run a 15w40 brad penn or the rotella t6 regardles gonna stick to 5k changes. Just want whats best for the way the oil is used in these engines. Does rotella keep from shearing better or...

i agree love the 6.0 no matter how many people hate them just something about them when you drive one it's hard to want to drive another breed. I'm trying to figure out if i should continue using brad penn 15w40. or trying rotella t6? we've been using brad penn here on our dairy farm and love it.