Caramanos2000 Posted February 26, 2010 Share Posted February 26, 2010 I have an 87GL and use 10w-40 with MMO in it as far as oil goes. The 1999 2.5L NA forester has 87,000 can I use the same oil and MMO in it? Link to comment Share on other sites More sharing options...
Rooster2 Posted February 26, 2010 Share Posted February 26, 2010 What is MMO?? Link to comment Share on other sites More sharing options...
Caramanos2000 Posted February 26, 2010 Author Share Posted February 26, 2010 Marvel Mystery Oil, is 10W-40 good for a forester in hot weather? Link to comment Share on other sites More sharing options...
Rooster2 Posted February 26, 2010 Share Posted February 26, 2010 Marvel Mystery Oil, is 10W-40 good for a forester in hot weather? Okay, so MMO is Marvel Mystery Oil. Yea, I am aware of it. That product has been around for a long time. I have never heard anything negative about it, so if you have been happy with it, then I don't see any problem adding it to the Forester. Link to comment Share on other sites More sharing options...
lostinthe202 Posted February 27, 2010 Share Posted February 27, 2010 At the risk of starting the age old "engine oil debate", why do you feel the need to add anything to the oil? Link to comment Share on other sites More sharing options...
Olnick Posted February 27, 2010 Share Posted February 27, 2010 . . . why do you feel the need to add anything to the oil? Amen! MMO is, I'm sure, a fine old product and is useful in certain situations. But it should be used as needed and not constantly in a lubrication system. Link to comment Share on other sites More sharing options...
MilesFox Posted February 27, 2010 Share Posted February 27, 2010 the 2.5 has solid lifters with shims for lash adjustment, unlike the ea82 with hydrailic lash adjusters. the idea of Marvel's Mystery Oil is to cure the 'tick of death' associated with cam tower o-rings or dirty HLA's in ea82's. If you have lifter noise in the 2.5, shims will be in order next time the heads are serviced. You could run the MMO through to keep deposits and sjudge from forming. Ideally, apply the mmo just before oil changes. Link to comment Share on other sites More sharing options...
The Dude Posted February 27, 2010 Share Posted February 27, 2010 the 2.5 has solid lifters with shims for lash adjustment, unlike the ea82 with hydrailic lash adjusters. the idea of Marvel's Mystery Oil is to cure the 'tick of death' associated with cam tower o-rings or dirty HLA's in ea82's. If you have lifter noise in the 2.5, shims will be in order next time the heads are serviced. You could run the MMO through to keep deposits and sjudge from forming. Ideally, apply the mmo just before oil changes. The 1999 Forester has the Phase II 2.5L engine, which has hydrolic lifters. Ironically, the 2.5L is back to solid lifters on my 2006 Forester. One step forward, two steps back. Link to comment Share on other sites More sharing options...
Caramanos2000 Posted February 27, 2010 Author Share Posted February 27, 2010 No noise from the 2.5 just like how MMO has worked in my EA82. 10W-40 is ok though right I mean no harm done? Link to comment Share on other sites More sharing options...
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