Help me figure out to do with the "leftovers"

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I've been mixin' for around 40 years and never a problem. I just mix differently today(2qts syn/3qts dino) from all of the oils that I buy on sale/rebate/closeout. All oils are held in high regard here at BOB's

All of my engines held up for as long as I owned the vehicles wheather it was 100K or 300K. I use to mix any oil I could get just to create an oil change for my beater(5qts all being different wgt/brands)

When DAD had his station(1955-1979) we would tip up all of the qts of oil(after doing an oil/filer job) and let them drain into large containers for truckers or anyone else that would come in looking for cheap oil. Dad carried 4 different wgts of oil and sometimes 5. It all went into these containers. I used it too for my kluncker. He kept the new oils for his paying customers.

I tip the oil containers today and use the oil in lawn/snow equipment. You wouldn't beleive how much oil you can get doing this. I have around the garage, ~4 different weights of oils for all of my vehicles, since my vehicles can use a variety as/per the OM.

Never an issue!
 
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You can mix them all to make a "Franken-oil" for one oil change interval without causing a problem. Doing this repeatedly over a number of years may cause some strange deposits in the end.
 
Originally Posted By: Jim 5
Originally Posted By: Old Mustang Guy
Thanks for chiming in Jim 5. I thought I had remembered that someone did this and it came out just fine. I guess if you mix several good oils together you get a good oil. I don't think you get some horrible reaction from the mix.


I stand to be corrected by those that know better than me, but IIRC, part of the API approval process is that API approved oils of similar grade and API approval have to be readily mixable with other API approved oils with no negative consequences.

I can't find the reference, but this being BITOG, I'm sure someone will chime in and confirm this or clarify my understanding (or perhaps point out my error).


Yes, API standards require that oils need to be miscible with other API-certified oils to get the starburst, but this only means that they will form a mixture and not separate. This does not assure that reactions will not occur between additive packages.
 
Originally Posted By: A_Harman
You can mix them all to make a "Franken-oil" for one oil change interval without causing a problem. Doing this repeatedly over a number of years may cause some strange deposits in the end.


I have opened up my engines(valve covers/oil pans)to change the gasket, after mixing for 15 years and I just doesn't get any cleaner inside the engine. I have had garages do the same thing to my engines, because I won't do much of my own work in the cold winter and they have mentioned the same thing.
 
I woundn't mix any of those oils together first off. To me your playing chemist at that point and its not good to mix anyways. You woudn't mix Coke with Dr Pepper so why mix different oils together especially brands and not to mention viscosity at that. Personally of all the oils listed I would be them in your lawn mower being it is such little of each but, I would just go dump the QS at Walmart not even worth using.
 
Originally Posted By: VR1
I woundn't mix any of those oils together first off. To me your playing chemist at that point and its not good to mix anyways. You woudn't mix Coke with Dr Pepper so why mix different oils together especially brands and not to mention viscosity at that. Personally of all the oils listed I would be them in your lawn mower being it is such little of each but, I would just go dump the QS at Walmart not even worth using.


Please send me all of your odd quarts, sir.
You're right, one should never mix oils, and I want to help you avoid the peril.
I'd only use them in my lawnmowers, of course.
If you have any QS, please allow me to help you to dispose of it. Nasty stuff, however good those used oil analysis may look.
Probably not even fit for an old Tecumseh, and why sully the drain oil at Walmart with it?
 
Originally Posted By: VR1
I woundn't mix any of those oils together first off. To me your playing chemist at that point and its not good to mix anyways. You woudn't mix Coke with Dr Pepper so why mix different oils together especially brands and not to mention viscosity at that. Personally of all the oils listed I would be them in your lawn mower being it is such little of each but, I would just go dump the QS at Walmart not even worth using.


I never have mixed Coke with Dr. Pepper, but I quite often mix Coke with Root Beer when I want something Dr. Pepper-ish, but no Dr. Pepper is available. I also mix Lemonade with Sprite to make sort of a fizzy lemonade right there at the soft drink dispenser.
smile.gif


Most of the time, there is no problem with blending oil because oils themselves are blends of many different base stocks and additives.
 
These conversations can go on and on and this subjest in posted all over BITOG!

I always like to add that, I don't just mix, just to mix. I acutually do it with some thought and the fact that I have ~40 years of personal data along with many 100K's of miles that says it's OK! And too, I have openend the engines top/bottom(valve covers/oil pans) and they look great. The way YOU would want YOUR engines to look.

I also mix because I have so many different brands/wgts of oils that I purchaced on sale/rebate/closeout/discount shelves. And because I keep an eye open in the "Sales, Rebates Section" and we have 4 vehicles in our household.

At some point, I would have orphan qts so, I just set them up per season(winter/summer) and make/blend what I think will work well in that season without trying to out-think the oil engineers.

Meaning...I'll mix a couple of qts of5/20 w/ 5w30 or 5w30 w/ 10/30 or a couple of qts of syn w/ dino or 2 qts of brand "X" w/ 3 qts of brand "Y" and so on!

Every single engine that I have had in 40+ years of driving has lasted longer than the rest of the vehicle. What more could a person want?
 
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1) Pour all into gallon jug
2) Find/Buy hand held oil can
3) Lube anything and everything you can find around that needs lubrication!

In all seriousness, I keep a quart mix of leftover oils around, the rest just gets poured into the 55 gallon drums to be sent out. Never know when you could use some good old motor oil lubrication :P Not so keen on putting all those in my engine but i'm sure it couldn't hurt in a beater.
 
I am running a mix of leftover 2 qts of Pennzoil Platinum 5w20, 1 qt of Maxlife 5-30 and 1 qt Fram Synthetic 5-30 in my Kia right now. Runs great, oil pressure is good. I do not see why I can't do 6 mo/5K on it.
What else do you with leftover quarts????
 
Originally Posted By: Ursae_Majoris
I am running a mix of leftover 2 qts of Pennzoil Platinum 5w20, 1 qt of Maxlife 5-30 and 1 qt Fram Synthetic 5-30 in my Kia right now. Runs great, oil pressure is good. I do not see why I can't do 6 mo/5K on it.
What else do you with leftover quarts????


Well I was using them in my 1981 Snapper lawn mower but it blew up a couple weeks ago(threw the rod)... Maybe if I hadn't mixed oils, it would still be running???
 
Originally Posted By: Ursae_Majoris
No lawnmower, no snowblower.

30 year mower was on its legs, probably.


You really think so??? LOL

Actually it's been on borrowed time for the last 15 years, was just a matter of when it was gonna cash in it's chips... I bragged on it here on BITOG a couple months ago, so naturally it pooped the bed...
 
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