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#3413450 - 07/03/14 01:29 PM Re: MMO in crankcase - how many miles? [Re: dan765]
dan765 Offline


Registered: 06/17/14
Posts: 27
Loc: Utah
Here is a follow-up question:

I've got Maxlife 10W-40 in there. As I mentioned above, it holds 4.5 quarts.

Since I took 1 quart of the 10w-40 out and replaced it with 1 quart of MMO, what is my oil weight now?

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#3413614 - 07/03/14 04:16 PM Re: MMO in crankcase - how many miles? [Re: dan765]
Clevy Offline


Registered: 11/11/10
Posts: 8393
Loc: Saskatoon canada
Originally Posted By: dan765
Here is a follow-up question:

I've got Maxlife 10W-40 in there. As I mentioned above, it holds 4.5 quarts.

Since I took 1 quart of the 10w-40 out and replaced it with 1 quart of MMO, what is my oil weight now?



Hard to say.

Remember that the solvents will flash off and the lighter oil fractions will vapourize as well,so in 1000 miles it would be tough to even tell the mmo was in there.
_________________________
2006 Charger RT
Miles x 2 per oil filter

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#3413669 - 07/03/14 04:59 PM Re: MMO in crankcase - how many miles? [Re: dan765]
SirTanon Offline


Registered: 06/23/14
Posts: 92
Loc: Arizona, USA
Originally Posted By: dan765
Here is a follow-up question:

I've got Maxlife 10W-40 in there. As I mentioned above, it holds 4.5 quarts.

Since I took 1 quart of the 10w-40 out and replaced it with 1 quart of MMO, what is my oil weight now?


From other threads on BITOG, MMO is roughly 10w weight.

- If my calculations are correct, at that mix (3.5 qts MaxLife 10w40 and 1qt MMO), you're looking at roughly 10w-33 ... at least at first.
_________________________
2010 Ford Fusion SE - 2.5 liter/6-speed auto - 187k
2014 Nissan Altima SL - 2.5 liter/CVT - 11k
2003 Mercury Sable LS Premium - DOHC 3.0/AX4N [SOLD]

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#3413719 - 07/03/14 06:06 PM Re: MMO in crankcase - how many miles? [Re: Cujet]
rockydee Offline


Registered: 03/09/14
Posts: 245
Loc: VA
Originally Posted By: Cujet
I wonder if Blackstone can provide UOA results that show what happens with the use of MMO. I do remember someone on this site showing higher wear metals with the use of MMO. However, that was simply one data point.


I doubt B_S would provide that info so, you got me thinking. I checked uoa's with the use of mmo and they looked good. I use/used the stuff for a long time with some great results. A golden oldie that works great for cleaning up an engine that needs cleaning. OTOH if it ain't dirty don't clean it. I've run it the whole interval in a few project car neglected engines, ticking lifters stopped ticking and stayed that way, down the fill hole looked better too. I'll still use it when needed, otherwise a good synthetic and leave well enough alone.

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