Motor Oil

[Joholio]

What doo you use in your river boat?

Looking for advice as to what I should run in my 350 that is readily available everywhere. Thanx, Joel.


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[Joholio]

I got 10-40 for gasoline engines. I heard of some folks using 15-40 diesel oil... Good? Bad??


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[sirkdev]

I'm kind of an oil nerd.. was reading if at all possible do not use diesel based oils in a gasoline engine, although they have better additive packages they lack the sheer strength which essentially translates to more wear on start up vs a gasoline specific oil.




Take it for what its worth..

 

[indyguy]

Ive been using the Amsoil ZROD 20/50 in my 350 for my 3rd year now and very happy with it. Most jetboat motors are run harder than in vehicles and the ZROD oil has all the components needed whether its running or it is sitting in storage.

ZRF

Z-ROD 20W-50 Synthetic Motor Oil
Modern Technology For Classic Cars


AMSOIL Z-ROD™ Synthetic Motor Oil is specially engineered for classic and high-performance vehicles. A high-zinc formulation to prevent wear on flat-tappet camshafts and other critical engine components, along with a proprietary blend of rust and corrosion inhibitors for added protection during long-term storage.

 

[tex78]

The shell rotella for diesel, also has high zinc ect like older oils, if u look there is a older spark engine code designation, which is for older gas engines

I assume most will be the same, just have to make sure it's not just diesel oil

 

[mur190]

I run Mobil 1 15-50 in my outlaw nahanni, carbed marine power 350.i do use zinc additive though

 

[pfi572]

20/50. Castrol high performance 4 stroke motor cycle oil.
Ratings are high and for high load applications .

 

[Joholio]

Talked to boat builder he says 5-30synthetic...

Seems light for a marine application imo...


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[pfi572]

All the new Kodiac packages "example Ls 3 and LSA" call for the low viscosity oil.
5/30 Mobil 1

 

[Joholio]

All the new Kodiac packages "example Ls 3 and LSA" call for the low viscosity oil.
5/30 Mobil 1

The Kodiak link I found called for ILSAC GF4 rated 10w-40 for 4.3 and 5.7. I found some conventional GF5 Pennzoil 10w-40 here in Eckville so I put it in. I wasn't really paying attention to the others but the 6.2 LS3 called specifically for Mobil1 5w-30.


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[Lund]

Hey Joh, i've all way's used 20/50 in mine since new. My brand has been Castrol Syntech. At times i have had to special order it as some auto stores don't carry it. It is a race quality oil. Generally been getting it from Napa or Lordco.

Your motor in your jetboat will work alot harder then anything you will find on wheel's.

 

[Lund]

Hey Joh, i've all way's used 20/50 in mine since new. My brand has been Castrol Syntech. At times i have had to special order it as some auto stores don't carry it. It is a race quality oil. Generally been getting it from Napa or Lordco.

Your motor in your jetboat will work alot harder then anything you will find on wheel's.

So i went and looked and my mistake...not 20/50 but 5/50 Castrol Syntec is what i use.

 

[Joholio]

20/50. Castrol high performance 4 stroke motor cycle oil.
Ratings are high and for high load applications .

I have a case of Yamalube 10-40 but use it pw50, Ttr125 and Kodiak450


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