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Best Oil and Grease

4163 Views 10 Replies 6 Participants Last post by  Hoogan
What oil do you guys run in your diesel or gasers?

What grease do you run in your bearings and such..

Mobil 1 syn - Honda and Toyota

Amsoil hd syn 10w-40- 91 cummins 5.9l

Amsoil dominator syn grease - boat and RV

oil change is bout 150.00 bucks in my diesel :)'... Chit!
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Royal Purple in Lexus LX-470, Honda S-2000 & all 3) Honda 4S BF-225s...
Before I realized 1 of my Honda BF-225s was using oil, I let it get so low the engine kept shutting down due to low oil pressure. When I finally checked it the motor held 4 qts (8 qt capacity) of RP. I'm convinced using RP (vs. conventional oil) saved that engine from a catastrophic failure... & that was >300 hrs ago ;)
cabosandinh said:
that's one problem with royal purple, my engine was consuming oil

I am not a mechanic but a mechanic told me it is so slick it blows/leaks through seals
I've heard that before... I also use it in my OB Lower Units & I think it helped my fuel burn...
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