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There is a leak in the CV Boots of my new to me 2007 Toyota Sequoia with 214,000 miles on it. It was mainly driven on the highway in Texas, if that makes any difference to the possibility of contamination of the axles. I have already read on here about the idea that OEM axles and boots are...

The engine is a 3.2 liter V6, Honda J-series with a timing belt. This interval was done on almost entirely interstate highway, very few heat cycles. But desert dust and wildfires were common. The oil used was Pennzoil Ultra Platinum 5w30. My engine calls for 5w20. I tried this due to...

https://www.geartechnology.com/issues/0812x/blake.pdf This article takes a look at a process of treating / polishing a steel surface by extreme polishing by tumblers. The tumbler machines look like larger versions of those used to clean small parts and shell casings for the reloading of...

A Brand New Perspective. Digging Into the Timeless Question, “Which Oil is Better?” Blackstone looks into its collection of oil sample data to examine the question of which brand of oil is better. https://www.blackstone-labs.com/Newsletters/Gas-Diesel/July-1-2017.php I found a this very...

AAA Engine Oil Research: AAA proprietary research into the differences between conventional and synthetic oils. http://www.amsoil.com/lit/AAA-Research-Report-Synthetic-vs-Conventional.pdf It was interesting to me to read a report on not just one aspect of oils that was tested, but a...

This is my sister's and brother in law's truck. They bought it certified with 5,000 miles on it. I could not determine if this was the Factory Fill or not, the guys at the dealership didn't know beyond what the Carfax report said. On the Carfax it said that "recommended service performed"...

I thought this sample has come out very good for such an older car. I was worried about the thin oil in the Texas heat, high speeds, and an older engine. But everything seems great. I changed to 5w-30 Mobil One for the new oil, but if I could have seen this sample report before I may not have...