What I always wondered about oil

[Wrecker]

I am currently running Amsoil 15-40 with there EAO filter in my sled pulling truck, with no problems other than oil pressure is a bit low when engine is at full temp after a pull. Does Amsoil make a thicker grade like a 20-50 that I can run in my Duramax? The truck is almost strictly used for pulling, so miles are very low, but the miles it does see are very abusive. I change my oil once a year in the spring time, even know there is maybe only 10 miles on it.

For your application, I would definitely recommend Amsoil RD50, Dominator Racing 15w-50.

Click here

Let me know if I can help.:thumbsup:

Ashton

 

[Pepperidge]

Ashton...I just ordered a couple oil analysis kits and sample pump via your website link...does that actually get shipped by you? or does that get shipped from the main warehouse? Next time I'll order an eao filter and some oil...I already had my delvac 1 and filter...I'm going to do an analysis to see how long I can extend what is in the truck right now...(delvac 1 with 7500 miles)

any recommendations?

 

[Wrecker]

Thanks for the order.
Next time call me to place the order, that's the only way to get the discount off of the retail pricing. It's only a few dollars on a couple of sample kits, but it is significant on an oil change.

The order will ship from the distribution center closest to you, this makes for a much quicker for delivery to you.

The analysis will be very clear and descriptive. Click here

As far as specific recommendations, it's tough because there are so many variables:
Effectiveness of the oil filter
Engine cleanliness level (based on past oil and filters/change frequency)
Driving style
Ambient temps/humidity during the year
Air filtration
and on, and on.

That's why analysis is the only way to really find out what is going on inside the engine.
Let me know what your results are and we'll talk about it then.:thumbsup:

 

[Pepperidge]

I went ahead and paid the $10 to get like $25 off...

also...I'm guessing I should change the filter after the sampling correct?

 

[Wrecker]

I'm guessing I should change the filter after the sampling correct?

Yes you should.

When using Amsoil Oil and Filter it is not necessary, when using any other oil/oil filter, change the filter and top off.

There are a couple of ways to draw the sample: a sample pump with tubing down the dipstick tube, a Fumoto valve, or remove drain plug catch a sample and replace drain plug. I am now using the pump method because I can do it from above and not get dirty. Just be sure the truck is at operating temp and allow the oil to flow for about 4 seconds minimum to flush any sediment from the bottom of the pan if you are using a drain method.

I do not handle the Fumoto valves, but I do have a pretty good pump (pic attached).

I see you on my list now. Thanks for the business.

 

[83GMCK2500]

Wrecker, I can fill my sample bottle with the amount that drains from the engine when I spin off my oil filter, is there anything wrong with using that oil?

 

[Wrecker]

Generally, no. There can be significant amounts of contaminants in the oil from this area that could give you erroneous results.

I should have done this earlier.

Here is the scoop:

Sampling Methods
1. The component sampled should be brought to operating temperature prior to sampling. This will assure that the insoluble and semi-soluble material is suspended evenly throughout the system. Samples taken from components that have been inactive for long periods are not representative.

2. Sample should always be taken in the same manner and from the same point.

3. Do not sample a component directly after an oil change or after a large amount of makeup oil has been added.

4. Use a clean, dry, unbreakable container. Never reuse containers or sampling tubing.

Collect your sample using one of the following three methods:

1. Sample Pump Method
(See Instructions For Use)

Request a sample pump when ordering your sample kit. The pump will come with complete instructions and will enable you to draw a sample quickly and easily. Seal the bottle tightly.

2. Sample Valve/Petcock Method

The valve should be wiped clean and any stagnant oil should be drained prior to catching a sample run. Seal the bottle tightly. Wipe bottle clean.

3. Oil Drain Method

Clean the area around the drain plug thoroughly to avoid sample contamination. Allow oil to drain for three to five seconds prior to catching a sample. Place a clean, dry sample bottle in the oil stream and fill to within 1/2 inch of the top. Seal bottle tightly. Wipe bottle clean.

Sampling Tips

For best results, oil samples should be taken immediately after equipment shutdown, while the equipment is still at operating temperature. It is best to sample your engine at operating temperature just after engine shut-down. This will provide optimized results that more closely simulate “real-world” particle distribution throughout the lubricant. Dirt, water and other debris tend to settle to the bottom of the reservoir while light fuels tend to float. This separation will compromise your analysis.
Good locations for sampling include an oil gallery, the engine crankcase, the drain plug or dipstick tube and the equipment reservoir or sump.
When taking oil from industrial machinery through a bottom drain, be careful to draw oil until your sample has a uniform, representative appearance.
Use samples from the drain pan or oil filter only as a last resort. For a failed engine that has had the oil drained, a drain pan or oil filter sample may help detect the cause of the failure.
Avoid prolonged skin contact with used oil. Wash exposed skin with soap and water after exposure.