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Noticed this oil for the first time this week. It's API rated with the best. For use in gasoline, flex-fuel or gasoline-electric hybrid vehicles requiring SAE 5W-30 API SN PLUS, SN, SL and ILSAC GF-5, GF-4 or previous standards. Approved for use in all GM gasoline engines requiring dexos1â„¢...

If some one would update what has changed in the FS formulation that is an improvement but is no longer BMW certified.

Got my wife a Porsche Macan S last month. Wanted her to get a fun car after years of practical Japanese rides. They "recommended" Mobil 1 0/40 which has just changed formulation. There are a lot of great synthetics to choose from. I can still buy a few years supply of the non FS Mobil I, at 1/2...

Is the new FS a better oil. Porsche recommends M1 0/40 and I have 30 gals left. What will we have to watch for in the new formula?

Sorry folks,A40,Porsche Macan S.

I just bought my wife a new ride that requires 0w40 synthetic. They recommended M1 but there are many top quality oils available. Whats the preference here? Thanks all.

The outside air temp where I live can span -20 to +100 F. In a calendar year. My whole site stand by system , Generac, recommends 5/30. Is there a better recommendation or does the system manufacturer recommended oil make the best sense?

So, what would all recommend for a 30 hp/ 20kw whole house genset that has to start at 15 below and run when it's above 90 in the summer. The manufacturer states 5/30 and service folks use Castrol 5/30 . The unit can be called on to run more than a week at times with oil level checks every 24-48...

Mine runs on natural gas.

Live outside Chicago area. Outside temps range -20 winter to + 100 in summer. Which oil would any recommend for year round use. I have Euro Casrtol 0/30 and M1 0/40 on hand, either better in a V twin air cooled?

Mercs come with their proprietary 25w40 oil. Are there any straight weights with their additive levels? Long term storage and sustained high speed runs when used are the concerns.Thanks

My question is, dose the wide range and the use of VI's reduce useful life of the oil. I have read that the wider the spread the greater the problem.

I have a 33 year old Brigs IC powered genset that has run up to 10 days straight in power outages. I put in M1 5w30 in winter and 20w50 in summer. The animal has been bullet proof. Have replacement ignition parts in case but it has never skipped a beat.The M1 works great, add a bit evey 48 hours...

I wanted to use Euro Castrol in my Lexus and the dealer would not put it in because it was not 0w20. The spec says this weight is recommended and corp customer service towed the line. Spec says other acceptable if conditions warranted.I know Toyota has sludge problem in it's recent history, is...

I have read that this oil is a favorite of Off Shore racers. It has much higher phosphorus levels which is a plus. Also it has coating ability above the norm.Since a boat can sit for many months and then be run at 3-5000 rpms for hours at a time I would like folks input on this oil in gas marine...

The last trip of the year I fill with straight premium,no ethanol, and stabilize it. It gets winterized with pure premium and in the spring I transfer a good portion of it into my pickup. They are turning gasoline in to flammable [censored] for political purposes and boaters are the ones who suffer.

I have read that some Off Shore warriors use 20/50 V twin M1. High Phosphorus levels not seen in other oils.

I have a 1979 Dayton IC generator with a 16 hp Brigs engine that has run 100's of hours over the years keeping our country home lit during extended outages. I run M1,various viscus ratings,in it and it has served us well since new. I have a 20 gal fuel tank that allows a 24 hour run cycle and I...

Nissan uses ATF S in this trans any substitute that won't cause a problem with extended service plan?

What anti freeze is used by Nissan? It appears to be ethylene. glycol.