Will MMO Make Mobil 1 0w20 Too Light?

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Originally Posted By: Trav

If you are using a Synthetic oil leave the wizards in a bottle on the shelf if you are using anything less then yes they may be of some benefit but at the and of the day you are just trying to turn a dog into a fox.


Let me clear that up for you once and for all seeing as you insist on using it.
A new engine or an engine bought new and has run modern spec quality synthetics PU, PP, M1 etc exclusively probably does not need any OTC additives added to the oil.
They serve little or no purpose in an engine run on these oils and the engine would probably not benefit much from using them IMHO.

But all that goes becomes irrelevant with a used engine or unknown maintenance schedules or have run older spec oils not known for their ability to keep the engine clean.
To clean up an older engine you first need to start with a quality oil with decent cleaning abilities and use the correct product to perform the desired results e.g. a solvent that removes varnish to quieten a sticking lifter, etc.

Using additives in an attempt to improve the oils basic qualities to those of a better oil is like trying to turn a dog into a fox.
Using MMO in this case does not fit that scenario. The OP is only trying to reduce the oils viscosity with the product not enhance the oil in some way.

You are once again using parts of a post out of context in some childish attempt at disrupting the thread as usual.
 
How does the valve train look by what you can see through the fill hole?

If you want to use up your stash of M1 while also thinning it, has a mix of 2 qts of M1 with 2.5 of TMGO been suggested?
 
I'd say it looks fine thru the fill hole... Some varnish but light in color and easily removed if I rake it with a length of rebar.... Kidding...with my fingernail

Thanks for the suggestion... A mix was recommended and is probably the best course of action (unless I can get Clevy to pony up the 1meeelion dollars for my M1).

I was just looking to try something a little different and cleaning the engine was a far second in terms of what I was after - but I'm all for 2 birds with one stone

To me.., that's the best AND worst thing about BITOG: So much info to be found that I get to thinking too much about this, that or the other thing and find myself second guessing all the time or looking for that better mouse trap
 
Hi Finz,

I appreciate what you're trying to accomplish.
The thing is, while adding MMO will certainly lighten up the oil it won't turn Mobil 1 0W-20 into TGMO. Adding 20-25% of MMO may give you the same cold start-up viscosity as TGMO but you will have reduced the HTHSV from 2.6cP to something close to 2.0cP effectively making a 0W-15 of 0W-10 motor oil in the process.

This should not be a problem if your oil temp's don't get above about 160F but if the engine does get up to normal operating temp's of 190F-200F the oil may be too light for any sort of full throttle use.

My advise would be to return the Mobil 1 0W-20 for store credit if you've had it for too long and you know you won't get a refund
and simply buy some TGMO.
 
Thank you all for your comments... I'll enter this one in the books as a non-starter

Thanks again
 
Originally Posted By: Finz
Originally Posted By: NothingNew
I can't see running 20% or 25% MMO along with a 0W-20. Your best bet for calculating is to find the VOA for MMO and the oil you plan on running. Then you can figure out the approximate specs of your frankenbrew.

If you're really intent on running MMO you might want to run only 10% or so. Also, why the 5 minute warmup?


Thank you NothingNew... Good call on the VOAs...

With regard to 5 minute warm up, I live in a valley and the only out of here is to head up some hills... I want to give the car a few minutes to get the juices flowing and warmed a bit before putting the car under load


I live in NW NJ, land of hills in NJ. I just drive conservatively for the first few miles that include "hills". I start my vehicle, put on the radio and seat belt then put it in gear and drive away. It heats all the fluids faster when driving rather than idling.

Whimsey
 
^^^ very true^^^I have an 05 Accord as well and I let mine idle (while doing the above) for 2 mins--3 mins when it's really cold out. When the idle drops from 1400 to about 110, that's when I take off---slowly
 
I often wondered what others did... I try to wait until RPMs are under 1,000... Ideally, 750 but with 35 degrees this morning and me in shorts on leather seats, I said to heck with this
 
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