Mixing synthetic with dino

Bob

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12
Yes, dino and synthetic are compatible. This is exactly what you would get if you were to run a blend.
 

Patman

Staff member
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21,989
Location
Oakville, Ontario
It is safe to mix temporarily, but I wouldn't try longer intervals with it, as the additive chemistry might not mix well and the TBN would drop faster. [ September 21, 2002, 08:10 PM: Message edited by: Patman ]
 

Al

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19,167
Location
Elizabethtown, Pa
Its ok but my thoughts : a drop of wine in a barrel of sewage-you have sewage ....... a drop of sewage in a barrel of sewage-you have sewage [LOL!]
 
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2,444
Location
Indiana
Is it safe to mix synthetic with dino? For example, if I am a little low on my Mobil 1, can I top off with regular dino oil without damaging anything? Thanks
 
Messages
1,933
Location
Oklahoma
VeeDubb , I think it may or may not be ok,might be a good deal but certainly would drop the Drive Clean Dino in it because the adds are simalar. Main thing is the VI to be kept as close as possible. A probelem I see if doing extended drains,you will have some residuall dino in it when drained for next interal that pobably won't go the distance,I think imo I would top it off with what is in the car currently unless you are changing brands entirely after this or something
 
Messages
885
Location
North Carolina
I have asked the same question to some oil mfgr folks before, they all said the same thing. They have to make their oil compatible with other brands of oil, they say you can mix theirs with others and others with theirs, (including synthetic and mineral oil mixing) without degrading the previous (or new) oil. Every time the oil gets changed the new oil mixes with residual oil left in the engine..even if the same brand it has xx thousand miles already on it, (think about how many people do oil changes at various quick-lube places and can't even tell you what kind of oil was used last time..) I have read articles that have said that even a 25% mix of synthetic will give almost as much benefit to oil quality as having 100% synthetic anyway. Any oil that cannot be mixed with other brands should have that stated all over the bottle, and would also limit their appeal to any large customer base. If a vehicle is burning a lot of oil, probably should carry plenty of oil with you anyway as you would be adding it frequently anyhow, otherwise adding top-off oil is probably coming up on change time soon anyway.
 
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