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Here goes! My truck has been great and I just wanted to give it a check. On this oci, i did a lot of four wheeling in the mountians on unmaintained dirt roads for hunting season, a trip to ohio and back with a 5000lb boat. (little over 500 miles)I need to see what is leaking, because it leaks a...

Hi, This is my most recent UOA for my 1996 Chevy Silverado. This sample is Valvoline Maxlife SN 5W-30. The previous fills were PP 5W-30 SM. I switched to Valvoline to try and slow the leaking rear main seal until I can fix it. Let me know what you think!

Hey everyone, I have a quick Question. I was just given a work truck to take care of, a 90 something ford F150. I have to pull a lot of weight with it so it is used very hard. It has a 300 straight six, and is at times floored for extended periods just to get the hunk of [censored] up a nearby...

Here is my first UOA for my pickup. I did this mainly to check for a leaking gasket so common in these engines. I thought the wear looks good, but I am concerned about the amount of sodium. I bought this truck used, ran it on 2 oci's of Kendal Syn blend, then Valvoline Syn blend, gtx, 2 Mobile 1...

I need some help performing my first ATF fluid change on my 96 chevy pickup. I have plenty of Valvoline Maxlife ATF fluid and a filter kit for the truck. (Pro-King if it matters)The fluid has 35k on it now, and still looks ok and doesn't smell burnt but it isn't new either... Anyhow, would I be...

I just got off of the Amsoil Online Product Applications Guide and found that they claim synthetic oils will eat RTV sealant in applications such as the rear differential. Is there any merit to this? I was planning a fill of Lucas synthetic 80W-90 and use RTV to seal the rear. Is this not a good...

I need some help deciding differential fluid for my 96 Silverado. I have to drain my rear differential to replace the pinion pin retain bolt that I have a feeling is working its way loose. I looked around the shop and all I have is 3 quarts of Lucas synthetic 80w-90 gear oil. I know Lucas gets...

Hi Everyone, I need some help. My grandfather wants to know if he is using a proper oil for his mint 1970 Ford Galaxy. It has an original big block and the car only has 49,000 miles!(I think it's a 390 but there is a chance it's a 410)He really never paid any attention to what oil he uses except...

I need some help picking oil for the pressure washer I bought at a public auction. Its a 13hp, 4gpm 3500 psi Karcher with a Honda engine. It doesn't appear to have been used hard, but I want to change the oil in it to be safe It did not come with any manuals so Im not sure what it should have...

I need some help with selecting the best oils for two pickups. The first is mine, a 96 chevy silverado 5.7 liter that just rolled over 170k. I bought the truck with 135k, put Kendal synthetic blend in it until 150K. I have been running it with Mobil 1 10w-30 high mileage ever since. The truck...