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Oil was changed in Aug. 2019 @ 10,889. When it reached the low mark in Oct. 2020 @ 14,889 I took a sample and then added 1qt. For the next 10 months (or 2,942 miles) I periodically added oil making sure it was near the full mark, which ended up being another quart by the time I did the oil...

Trying to decide if I can use this 8 year old oil to top off in my Limited Slip (non G80) rear axle. It seems to disperse well once I shake it up. Any thoughts if this is Friction Modifier/Additive or maybe the grape scent GM puts in their oil?

Last oil change was August 2019. It reached just below the low mark by August 2020 with only 2,900 miles on this oil. Yes very low miles in 12 months. Before adding a qt. I took a sample. My plan is to just add oil until I reach 7,000 miles on this filter and then do an oil/filter change.

Pennzoil Full Synthetic HM. At about 3,800 I had to add 3/4 of a quart and thought for sure no worries until 7k oil change, guess i was wrong. the high silicone was a very dirty K&N filter. my current fill is RGT 5w-30 with 6oz of Lubegard, Fram XG-3506.

our 2018 Compass is still consuming 1 qt of oil every 2,500 miles (~ 6months). we only put about 6,000 miles a year on it and after 2 years have 13,300 on the OD. the first oil report had a TBN of 3.5 using Pennzoil Platinum 0w-20. my thoughts are to top off at 6 months and then 6 months later...

Really happy with this first oil report and that no "magic elixir" was added at the last oil change at the dealer. All with dealer oil 68283520AA -Pennzoil Platinum 0w-20. It consumed a quart in the first 2,500 miles, then a quart in 3,040 miles and finally ¾ of a quart in 4,435 miles. Below...

Got a scenario that I'm hoping someone could help educate me on. We have a new 2018 Jeep compass with a 2.4L/Multi-Air engine known for consuming oil. its currently using 1qt/2,500 miles and is also being serviced and document at the dealer with OEM Pennzoil Platinum Synthetic (68283520AA). We...

Is anyone else having trouble find these in the 5qt. jug? None of my local auto stores, big chain stores and even online stores like Amazon, Walmart, etc. seem to carry them. they are listed, but at check-out it says "out of stock". I can only find them in the qts. at $5.79 and never enough at...

Long story short, I’m trying to shorten the duration of sound on start up without having to resort to Pennzoil/MMO combo. I have M1 0w-40 in it now and would like to add an additive like BG MOA? Liqui-Moly MOS2? Cera Tec? Something else? before trying a thicker oil. And yes, having the dealer...

Normal driving conditions in South Louisiana from July-Dec., no towing or spirited driving. Pennzoil Platinum/Fram XG-3506 filter. i purchased a 2012 CrewCab Colorado 2.9L/auto with only 23k miles in July of this year. This test sample at 4,500 miles was just out of curiosity before adding...

As a brief history I have summited oil reports since 2005, so I am somewhat familiar with the site… here is my question … I just purchased a 2012 Colorado with a 2.9L and only 23k miles, but this one has the dreaded timing chain rattle on startup. It only last 2-3 seconds and from all the info I...

My latest report with a PL25288 filter. a better TBN this time.

Filter had 5,500 miles. I counted 68 pleats including the seam. Can someone de-code production date?

my latest report. 10k/Castrol Edge/ PL25288 filter. The mileage gap from 37k to 40k is because I got an 89 performance tune and switched to full synthetic for better protection. Of course I forgot I had regular synthetic, not the extended or premium one, so the results kinda show that. With the...

here's my latest report. Lafayette, Lousiana. my driving style is conservative. traffic to/from work flows good, one cycle waits at the lights 25 minute commute. lunch time runs about 15 minutes, traffic is the same. weekends are a little heavy, but still no long waits at the lights. no towing...

purchased this (rental) truck Dec.1.12 with 25,500 miles. Dealership filled it with Castrol GTX Syn-Blend. test sample at 5,300 then changed at 6,500, but will probably do a 6k OCI. Iron, Copper and Aluminum seem to be similar to my 2005 3.5L using Mobil...

this oci reflects Mobil’s new formula. I used a PL25288 filter the entire 10k run. Again, when adding oil I waited until the “low/add” mark. 1 qt was added at 3000 miles and then another 2000 miles later. so 2qts in the first 5000 miles compared to my usual 1qt at 6000 miles.Needless to say I...

this is the 7th 10K OCI,last 3 are with the same filter for the entire run (PL25288).the previous 4 (A/C PF61) were changed out at 5k.a 1/2 qt was added at 4,500 miles and another 1/2qt 4,000 miles later.this time i did not let it go past the 1/2 mark on the dipstick,before i would wait until...

here's my latest. ~6 months use (6.10-12.10)conservative driving during the summer and spirited during cooler months (South Louisiana). still using the Pure One filter (PL25288), it reached the "low" mark on the dipstick at ~7000 miles, so i added 1qt of make up oil (i mistakenly put down .75qts...

another oil report for those interested...~7 months use(10.09-6.10),spirited driving during cooler months,conservative as the weather gets hotter here in South Louisiana.everything still looks pretty good. it reached the "low" mark on the dipstick at ~7000 miles, so i added 1qt of make up oil...