Approved Fluids for 451

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Permalink Reply by Matthew A Ziminski on April 25, 2008 at 12:06pm

Thanks for the feed back. As a wise guy in college ICE class we were testing different grade oils for flash & freeze, so I went and bought a can of Mobile 1, Anyway it was just about off the graph superior compared to the other testing oils.
The disadvantage with Slick 50 is the other side of the extreme heat that the info-mercial doesn't show us the extreme cold. Way back when before I had heard of a block heater I used slick 50 and one winter I had to buy two batteries from cranking so much to get the car started.

I think I'll keep checking these comment boards for the reply on the moly-di-sulfide as you posted.

ttyl - Matt

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Permalink Reply by mr bad example on April 25, 2008 at 7:02pm

my last boss was on the pit crew of Bill Miller Engineering's (www.bmeltd.com) top fuel drag racing team. they would always "pre-heat" the engine before a race (usually a 4 second race!) and none of the races are in winter conditions.

matt, thanks for the "input", i'm near chicago and we get cold winters, sometimes to -20F and i have no garage or access to a plug-in outlet. so i'll nix the slick 50, the smart battery is so tiny as it is! no room for a second without it flying around in back, and it would sit on top of the engine access panel!

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Permalink Reply by losrios on April 24, 2008 at 6:31pm

I Live in Portugal and on my manual they don´t give any indications of the property´s of the oil used on the 451.
So i Called my Seller and she told me it uses a Fully Syntetic one and if i wanted when i put my car on the shop for servicing i can bring my own oil and then save a lot of money. On The Sc, they charge € 100 for 2 Liters and you can buy them for € 40 more or less on any store...Ask the same yourself, perhaps you get lucky as me...I Use BP Visco 7000 Sport on my and i think the reference is 5W35.
Cheers

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Permalink Reply by Farrel Droke on April 24, 2008 at 7:49pm

I think Smart is specifying Mobil One 0w-40 for this car (same as my 2003 Porsche). You could probably get away with other viscosities but that low number - the zero W - is the cold temp viscosity and determines how the oil flows on those chilly mornings. I've had very good luck with Castrol Syntec 5W-40 in a BMW as well. Castrol claims to leave a 'film' on bearing parts to help with 'dry starts' which would be a good thing.

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Permalink Reply by mr bad example on April 24, 2008 at 9:55pm

i idle my smart at least one minute when cold and 15 seconds when warm to get oil all over inside, in my old cars i used to idle one minute cold and 30 seconds when warm with regular motor oil. in my 30 years of car ownership, i've never had oil/engine problems with this practice.

i wonder if the smart oil filter catches smaller particles than a standard filter. capturing teflon particles? it would fill up quite fast, so small, and 10,000 mile oil changes? sounds like some kind of voodoo!

slick 50 works in all other cars but not the smart? the smart US engine is a mitsubishi, not some wunder-tech! i might go with slick 50 after 10,000 miles. it's a standard aluminum block and head. of course, unless MB instructed mitsubishi to blend bald eagle heads into their aluminum composite construction ;)

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