Originally Posted By: tig1
Originally Posted By: typ901
Originally Posted By: StevieC
Really looking at your dipstick is a good way to tell your engine health? Has BITOG really become this bad?
I have 2 UOA's one with really black oil showing on the dipstick and the TBN/TAN and other contaminants were all excellent and the oil was suitable for continued use.
Then I have one where the oil was still golden on the dipstick and it was spent with the TBN almost non-existent, and the TAN through the roof.
Some more proof... My friend who runs the 1 year insane mileage OCI's on his Toyota Matrix with SSO and an EAO filter, gets to the end of the year with 20K KM - 30K KM (12-18K miles) and the oil is just about spent with a TBN of 2, and the oil is still pristine looking on the dipstick.
Looking at a dipstick is no way to tell the health of your oil!
Yep...I agree. When I change the M1 5w-30 on my '00 v6 Accord it is always jet black. I have changed it a 4, 5, and 7k and it always looks the same from the plug to the pan. The dipstick is however golden to a dark brown.
How many miles on the Honda? How long have you used M1?
I am at 132k. Used M1 since 2003, so maybe the last 70k miles. Before that was PP for around 40k, and early on was PYB.