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Silicon 9 copper 2 iron 16 aluminum 2 tin 0 Chromium 0 Lead 156 How does anybody really know how good any oil is sure they have tests to tell how good it is but you never know and so i figure a little extra additive help cant hurt.

Cenpeco is a very respected oil in the midwest my family has been using it for 40 years never had lube related problem.

Did an oil sample out of an 8.3 cummins tractor engine lead came back 156 lab said that was extreme bearing wear motor only has 3,000 on it Every mechanic i talked to said never think about touching bearings till 6,000 hours have been adding a cup of the JB to 6 gallons of 15-40 Cenpeco oil is...

Yes Cenpeco is a very good oil they have many customers in the midwest we use it in everything.Today i got back a sample we did on our combine this is straight 30 weight cenpeco with a cup of the JB additive oil in a DT 466 this motor has 4200 hours total and 800 on overhaul. pottassium 2...

no glycol no water and no fuel dilution so what do you think the lead is from if it isnt from engine? do you think it is contaminated sample?or the additive more then likely? is a tan test?If the bearings were shot wouldnt there be excessive amounts of tin and copper and aluminum? If it is the...

Yes it is all field work nothing that should over use it. oil is always changed every 100 give or take. generic diesel we are using cenpeco diesel kleenz also in diesel i have about 40 hours on oil right now probably put on another 20 or so this fall im gonna take another sample when done. Im...

Might i add that if bearing wear was serious wouldnt there also be a serious of amount of tin also? but i have 0 and also there should be higher amounts of copper also this test was done by a Cat lab. This tractor had been sitting for about 6 months before oil was changed it was warmed up and...

Here is the full test result: Potassium 2 copper 2 sodium 4 iron 16 chromium 0 aluminum 2 silicon 9 lead 156 tin 0 soot 9 sulfation 21 oxidation 14 debris 6 viscosity 14.8 Like i said 3000 hours on motor oil is changed every 100 hours or so talked to a mechanic and said these motors are good for...

Did a sample of a 8.3 cummins in a Magnum farm tractor with 3,000 hours Lead came back Critical at 156 copper was 1 and tin was also a 1 we use Cenpeco 15-40 in it with a cup of Justice Bros heavy duty lube additive cut filter open and found nothing what is the deal with the lead being so high...