Blackstone Sample pump made by.

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The samples below 20K miles do not tell much nor help with trending.

And in some cases you cannot get the sample tube into the dipstick tube far enough.

I use mine mainly for my ATF.
 
Mine has worked flawlessly on four different cars: an Audi V8, a Nissan VQ30, a Nissan VQ35, and a Nissan VQ35HR.
 
Originally Posted By: Donald
There is something way into the dipstick tube in my Cummins diesel

how does the dip stick go down the tube? maybe you need a smaller tube?
 
Originally Posted By: jkhawaii
Originally Posted By: Donald
There is something way into the dipstick tube in my Cummins diesel

how does the dip stick go down the tube? maybe you need a smaller tube?


The dipstick is flat, so I assume there is a guide down there to only allow something thin and flat past. I can easily pull oil from the drain plug for a sample (after cleaning it).
 
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