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Originally Posted By: rbarrios With my Trailblazer- Ive been using the OLM since new. (well the factory fill + 2nd oil was changed with much less mileage) Other than that- always followed the OLM. Will continue to do so. Very coincidentally,I drive an '06 Trailblazer, and my Blackstone report...

The expected wear would be 37, based on universal averages. This would be the base of comparison for the extra wear. It appears you used actual wear of 60 as the base.

Originally Posted By: refaller Help me out. If they say wear is slightly high, but apparently based on 6000 miles then wouldn't her's be awfully low? I don't think I would change a thing. ref The universal wear average for iron is 9 per 6,000 miles. 25,000 OCI/6,000 miles universal average =...

Yeah, the OLM does not directly measure the quality of the oil. I have fun with the percentages, though. I like to see how they change under different driving conditions. Have done some UOAs well before hitting zero for baseline purposes. Am going to run the OLM to zero with various oils and...

The OLM on my '97 Cadillac Deville loses 1% about every 100 miles on the highway in the summer (a 10,000 OCI pace). In the winter when there is below zero weather, with short trips, it will lose 1% in as little as 20 miles, a 2,000 mile OCI pace. My '06 Chevy Trailblazer will go up to 160 miles...

A friend of mine got tired of being told he needed a new air filter every time he went to a fast lube outlet. So he installed a new one immediately before going to have his oil changed. As usual, they told him he needed a new air filter. He replied, "that's funny, I just installed a new one...

My beautiful Javelin was rear ended in 1975. I had a dispute with the other driver's insurance rep, who was not going to replace some items that were recommended by the body shop. He wanted to merely straighten them. I wrote to the state insurance commission, and he changed his tune very...

My posting was in response to the reply that seemed to indicate mechanics would be working for free if only the marginal increase in the cost of synthetic, including the cost of extra labor involved with bottled, rather than bulk, oil were added to the cost of the basic oil change. There is not...

Originally Posted By: TrentMiller Yeah, the "mechanics" work for free? that's what your paying for. It does not take any more effort to pour in oil priced at $7.00 per quart than oil priced at $3.00 per quart. Therefore, the price of the oil change should only increase by $24.00 for a 6 quart...

Originally Posted By: SuperBusa Originally Posted By: river_rat I ran this in the filtration test against a Puro Classic and a PureONE...including media close-ups photos. The Bosch Premium is a PureONE..no doubt in my mind. The 99.9% therefore must mean at 20 microns like the P1. I don't doubt...

New member cruising old UOAs. Noticed iron doubled and copper more than doubled between 3/28/02 change and 4/22/03 change. OCI only increased 32%. 10/20/03 change better, but still an increase in wear per mile vs shorter 8,274 mile interval for 3/28/02 change.

I have read BITOG posts obsessively, and this is my first response. You did a good deed. Most customers wouldn't have checked the oil, let alone add any for free. Used oil is infinately preferable to low oil or no oil, especially when it will likely soon be changed. It is the rental companies...