Hello Blackstone Labs! Just wanted to say thank you for the excellent service you provide. I have just received the readout on my second oil change and first diff/transmission flush on my 2013 G37 coupe. The info that you folks provide has helped me to navigate the maintenance schedule on my car, and I feel much more comfortable knowing that there is data to inform any decisions I make about maintenance and how I drive.

My father also sends his (motor) oil to you folks for his 2003 Tundra, which is where I heard about you folks. We have also recently purchased a 2015 VW GTI which will be due for its first oil change in a few thousand miles, and I will also be sending my first sample from my rebuilt 2006 ZX6R soon.

In short, my family and I love your service and will continue to send you our business for each and every vehicle we own. Thanks so much for your hard work, we value the service you provide! Aloha and big mahalo!

Thank you!!! I have been happy with everything you’ve done for us over the years but you went above and beyond on this one. I received a call from Joe (I think I remember his name correctly) telling me the paperwork hadn’t been filled out and would I be able to give him info on the engine the sample came out of. I did, but only realized much later how amazingly kind it was of him to track me down! I guess it must have been through the pre-paid testers I bought – thank you for taking the time! Next time I’ll fill out the paperwork!

Thanks to the oil analysis before this one I was able to detect 3 bad exhaust valves and a broken piston ring and had the 3 cylinders overhauled. The plane was flying great so if it wasn’t for the oil analysis I would not have known anything was wrong until it could have been a disaster. In my case I was able to get things fixed before they got much worse. Thanks!

I have been using your company for a few years and greatly appreciate your services. Your reports help me monitor my collection of military vehicles and the truck I use daily. I find your comments on the reports very informative and easy to understand. So far your company has helped me save money in my F350, by not having to change the oil every 3000 miles. Being that the motor is a 7.3L, it is not cheap to change the oil if it does not require it. Also I wanted to note that the deciding factor for me to use your company was your FAQ. I must admit that I found that to be quite hilarious and it shows that you have a great company and a great staff.

Hi, This is my first oil report ever with you guys (well, ever, ever). I’ve read sample reports posted online, but the feeling I had reading words from a human about my sample was, just, unexpectedly awesome. I dunno why, but it just was. Anyway, I just wanted to say thanks for being awesome. Also, I put no tape on my sample bottle. Thanks!

Thank you for sending that report again. I like your service and am glad I found you guys. I have severe ptsd which means I’m paranoid and my truck is my baby. I try to keep it in tip top condition and never intend to sell it. Hopefully I will pass this amazing machine onto my son as they’re (7.3L) said to reach 1,000,000 miles regularly. Please volunteer any information regarding the longevity and health of my engine. One of my favorite parts of this whole process is that it’s not just a numbers game. Someone is on the other end hand typing additional info.

Wow that was awesome! I called the phone number, I got a PERSON not a computer, and that person was able to not only help me, but I got what I asked for via email within 30 seconds of asking. That’s customer service!

The service that you perform is a most anticipated report that I look forward to yearly. As an owner of a 30 year old classic car that I drive the %$#&^ out of, it’s always good to get your report. Kinda like a yearly check-up – am I going to live, what’s wrong, how much to fix it, how long, is it worth fixing!

Thank you for the report. Look like I am ready for a transmission rebuild. Probably will wait until we get ready to leave for the winter. You guys are a great help. Highly recommend you to my diesel truck friends.

You guys were dead on. A day before the trackday I did a boost leak test and since my methanol controller is boost actuated it triggered the pump and dumped quite a bit of methanol into the intercooler. So the car ran rich for about 5 minutes until it burnt off. Thank you guys again!