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These are size P245/70R16 Michelin X-Radial LT2 tires that I purchased from Costco. They have been on my 2003 Trailblazer for 52 months and have 64K miles on them. They have performed well and have enough tread left to go a little longer, but with these cracks I wouldn't want to drive at highway...

I thought that I would share the results of the last oil change on my Civic. The oil used was 3 qts of 5W-20 Pennzoil Platinum and 1 qt of 0W-20 Subaru branded Idemitsu SM that I had on hand. The Maintenance Minder was at 15% oil life remaining when changed. The previous fill was 100% Pennzoil...

I replaced the display on an iPhone5 today using a replacement display from iFixit. Has anyone else tried this? The most difficult part of the process was removing the old display. The iFixit kit includes a suction cup and a plastic pry tool to remove the screen, however the suction cup wouldn't...

My daughter will be going away to college this fall and will be driving this car. I had intended on replacing the Battery before then as preventative maintenance, but it died today. I drove the car yesterday and it seemed fine. I had been charging it with a smart charger once a month or so, but...

Last week I visited the Pima Air Museum and thought that I would post some pictures of one of my favorite aircraft. Any ideas what these devices on the underside of the engine nacelle are for? I assume that they are to bleed off static charges. -Jeff

The front speakers in my 2012 Honda Civic Coupe sound good, but the rear speakers do not. This car has the standard sound system without the subwoofer. I replaced the stock rear speakers with 6.5 inch Polk 2-way speakers. I had recently replaced the speakers in my Trailblazer with the same type...

I hadn't seen this documentary before and found it interesting. It contains a lot of footage of flat head Ford V-8's being built.

I was changing the oil on my daughters Cobalt today and was inserting the new filter in the filter cap when I noticed this. The defective filter is on the left and a normal filter is on the right. The inner cage, with the protrusion containing the green o-ring, was loose whereas it should...

I performed another UOA on this vehicle as many of the UOA's on the R18 show high Aluminum. In this case the Silicon is coming down, but the Aluminum did go up a bit. Code: OIL Honda Toyota Univ GRADE 0w20 0w20 Avg MILES IN USE 5742 6033 MILES...

This is a UOA for my 2009 Chevy Cobalt with the 2.2L Eco-Tec. The oil used was Valvoline Synpower, however Pennzoil Platinum was used on all previous changes. This is the first UOA for this car and I had it done because I was curious as to how it was wearing. It sometimes has valvtrain noise at...

Here is the Blackstone analysis of the second oil change on my 2012 Honda Civic. I didn't perform a UOA on the factory fill. The oil used was Honda 0W-20 synthetic blend SM. The only things noteworthy are the low TBN and the serious amount of Mo. Blackstone comments: Your OLM said the oil had...

I had some time off from work today, so I decided to change the transmission fluid and filter in my 2003 Trailblazer that currently has about 130K miles on it. It is a 4L60E transmission and began experiencing a hard 1-2 shift at about 114K miles. The fluid was previously changed by the dealer...

I recently bought a new Honda and thought some might find this information from the window sticker interesting. Final Assembly Point: Alliston Ontario, Canada Country of Origin: Engine: USA Transmission: Japan US/Canadian Parts Content: 65% Major Sources of Foreign Parts Content: Japan 20%...

Here are the results from my recent Synpower UOA. Any Valvoline haters out there can rest easy now as I filled it with Quaker State Ultimate Durability this time. I typed the data into a code block rather than linking to an image. Hopefully everything works OK. Code: OIL Val SP Val SP Mobil1...

The oil in this UOA was composed of a 5 quart jug labeled SM, 1 quart of SN, and 1 quart of leftover SM. The resulting TBN was higher than the last time that I used Synpower and appears to be the result of higher Calcium content in the SN configuration. I purchased the 5 quart jug and 1 quart...

I thought that I would share the latest UOA for my 2003 Chevrolet Trailblazer with the 4.2L. It is driven daily 36 miles round trip to work on a combination of city streets and highways. The location is Southern Arizona where the temperatures rarely drop below freezing but often exceed 100F. It...

I checked the ACDelco newsletter to see if there was any new information regarding E-Core vs. Classic ACDelco oil filters and came across this. Read the second item in this news bulletin. http://www.acdelcotechconnect.com/pdf/10JTI-124.pdf

Awhile back I read on BITOG how many people had a high opinion of Wix filters. Because of this I bought some NAPA Gold (i.e. Wix) oil and air filters for my 2003 Trailblazer. The oil filters seem fine but I had an issue with the air filter. The air filter that I took out was a made in Canada...

This is the Blackstone UOA for my 2003 Chevrolet Trailblazer with the 4.2L I-6 engine. The oil used was M1 5W-30 and it was changed at about 6,000 miles. The Oil Filter was a Napa Gold 1522 and the Air Filter was a Fram CA9345. Blackstone commented on the Cu being a little high. This vehicle...