Let me say first that anyone can find delvac 1 in any truckstop in and across america so to go calling on a company out of the area and add shipping to this very common oil would not be a smart idea as that Mobil themselves can surely give you a local company just about anywhere. That is one of the best things that doing business with such a giant company has to offer. Now if this was a specialized product, then I would see going that option.
Sprintman, can you qualify your statement that transamerica has
1.. is using the D1
2.. what have you seen from them to establish the triple drains statement?
Are these triple drains done with oil analysis and if so, what have you seen to establish they have been able to do so without any ill effects. I'll understand that statement if they were first doing 3k drains and now up to 9k but you've kinda left that statement open ended and I for one don't like to assume that maybe they are up to 40 or 50,000 mile drains without seeing some of their trending which can show the real story behind the statements.
The concept on this board is when stateing something like this, it leads people to think you have established this statement as a fact which you may or may not have and it is things like this that can mis lead another person to believe something that may be nothing more than an opinion or hearsay. Lets try to show this with some real evidence when stating just how good an oil is..ie oil analysis for one.
Everyone who uses an oil in their vehicle wants to think they are usng the best and if everyone was to make all these claims how theirs is the best then this site would serve no real purpose and really clutter it up with more personal feelings about their pet oil than offer facts.
Case in point.. Amsoil does 25,000 mile drain intervals on cars, fact or fiction? can it be done? what have we all seen to establish this? So far, I for one have not seen this yet, but I do believe that it can be possible under the right conditions, but not only using their oil but also some other quality oils can do this. But the clutter on some boards without showing or establishing this fact really got to drowning out the purpose of the board and started to sound like a commercial zone for oil companies not to mention how it lent no credible information but advertising hype.
This is not to say that personal experiences can't lend good info but lets try to support comments such as what you're stating here if you would please.
Let me also say for the record that in my experiences with the analysis reports that i have seen, d1 seems to be a good oil, but I've not seen triple drain intervals as of yet so this is another reason why I'm looking at this comment as to what do you have to show us as I do beleive you but I for one would like to know more facts as to what were they using prior, how many miles on prior oil, what are they currently doing mileage wise, and what do the wear #'s show to establish this extended drain interval?