About a month ago I changed the oil on my savage before putting it away for the winther.. Yesterday I read about the proper oil to use on the savage, and found that the oil I used is most likely not apropriate for the flat lifter engine..
I've found some info about the oil I used, but im not sure how much zddp it has in it.. Im wondering if I could add some additive or if I should change the oil and the new filter, or can I still use the new filter with the new oil..?

Here's a link to the info I found on the oil :

http://www.castrol.com/liveassets/bp_internet/castrol/castrol_usa/STAGING/loc...

Here's an exact image of the oil I've used :

Thanks Oldfeller

What does SL stand for...?

Think i'll get some zddplus or maybe just get some redline motorcycle oil..
I can get it for 21 bucks for a quart. Since I don't ride that many kilometers a year(6 months winther) I think it would be worth it to get some of that redline super stuff  

By the way.. When reading the oil specs, it says zinc% 0.25 - does that mean we're at 2500 ppm of zddp..?

I don't have a wallmart store here, and I can't seem to find rotella anywhere from around here.. But I've found a shop who supplys redline oils, and another site who specializes in american cars who has zddplus..

I just used around 50$ on this new oil so I think it's a shame to not use it.. But ofcourse the right oil is important.. But this castrol oil I've got is for 4stroke motorcycles, so most likely it doesn't have any additive in it that would make the clutch slip, and then if I get some zddplus which as far as I can tell, doesn't have any of that either, would make for an ok oil mix for the savage or am I wrong..?

Sure, im from Denmark

We don't have big auto stores, or sections specifically for diesel or trucks in our shopping centers, it's mostly just for "cars", since that is what
the majority here drives, aswell as europe in general.. But I may be surprised to spot some good oil between all the pampers, justin bieber cd's and candy next time I visit the local gas station hehe. But anything is available, just have to dig alittle deeper..  

Looks like im gonna use it then, but maybe just add some zddplus since it's not that expensive and good for laying around..  

Ls650.

Please go into your CPanel and add "Denmark" as your location.

It helps us to avoid giving you advice that doesn't work for your location.

Rotella T products in the USA are sold as Heavy Duty Oils, which is a very old oil classification that goes all the way back to steam engines and the very early combustion engines.

It includes any extreme duty use, and it laps over diesel and gasoline equally.   Marine diesel engines, huge train engines, big truck engines all use HDO oils.

HDO's are marked as that on the jug.   They are generally sold located along with with the specific Diesel Oils as both types contain ZDDP and other extreme pressure additives --- all of which are NOT good to put in a catalytically equipped car engine.   These oils are also generally sold in big gallon jugs, so they sit away from the car oils.

Now, USA laws and grouping and such don't apply in other countries and the formulation of Shell Rimula and Sbell Helix is DIFFERENT (yup, close but not the same).   The laws Rimula and Helix ae composed to meet are different as well.    Helix is close to Rotella T6, btw.

Now, here is the irony --- Rotella T happens to be just about perfect for bike engines that don't use catalytic converters and oxygen sensors, etc.  So bikers lobbied Shell to test it for the original JASO specs a while back and put the symbol on the jug if it passed.  And it did,  And the symbol and ratings were added to the very long list of approvals on the back of the Shell Rotella T label.

Then the JASO specification changed to cover catalytically equipped bike engines and JASO became JASO MA and then it became JASO MA2 and slowly the JASO spec family became pretty much meaningless to the old flat tappet Savage engine's needs.

Rotella, being spec'd as a high end HDO oil didn't change at all and it will not change unless the CJ-4 HDO standard changes (about every 10 years or so this one evolves from CI-4 to CJ-4 to CL-4) but that hasn't happened in a while, thank goodness.

You will hear people say Rotella T is a bike oil (true).  You will hear people say Rotella T is a truck oil (true).  You will hear people say Rotella T is a big diesel engine oil (true).     All of the ratings and approvals for ALL of these uses are right there on the back of the jug.

It is much easier to say what Rotella ISN'T  ---  it isn't an oil for catalytically equipped, oxygen sensor equipped engines.

I certainly agree with the oil recommendations; but, I am a little curious.  Let’s say three brand new s40s were purchased with the identical moderate riding styles / usage, same storage, normal routine maintenance, so on.  Let’s also work on the assumption that a versy can chain tensioner is also installed at 10K miles on all three.    How many miles would one expect to get out of each engine with run of the mill oil, shell rotella, and shell rotella synthetic?  Also, how many more miles would a zddp booster add to the engine as well.   Just curious, thanks.

Just went to amazon and ordered some.