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Gents, I just found out that Pennzoil Ultra 5w30 is back in stock at Walmart.com. Enjoy!

I use them, but not as intended. I buy them during their frequent half off sales and use them as a premium filter with Mobil 1 5w30 EP. On my Toyotas, I change oil and filter every 10,000 miles. On my Chevy Volt, I follow the OLM. Since almost of my miles are electric, this means I change oil...

Check with a GM dealer - I believe that Saturn changed the cap and the filter type in a TSB.

I don't. If I don't care enough to change the filter, I don't care enough to get rid of the extra half pint of oil. If I care enough to get rid of the extra half pint of oil, I care enough to change the filter. Really easy decision.

Originally Posted By: kschachn Any time you take one compound, dissociate it, and turn it back into the same compound you're going to lose energy since nothing is 100% efficient. Ding ding ding ding ding! First law of thermodynamics - conservation of energy. If you start with water and add...

I drive a '15 Chevy Volt. This means that I can go for weeks at a time without actually running the engine. And, the owners manual says that you need to change the oil every 2 years (~100 weeks) at the very least. And, predictably, my oil life decreases by 1% every week whether I use the engine...

I keep it at the "Full" mark unless it's getting late into the oil change interval. Then I let it go down as far as the "Add" line to minimize the amount of add-in oil I put in for the interval. When putting new oil in and filter on, I get the oil to the "Full" line to start the interval. If...

Originally Posted By: Phishin ...Any oil that can be purchased at Walmart (API certified), as long as the viscosity is correct, will perform nicely in any engine. All new cars have an OLM that indicates when an oil change is due... Close. If you want to ensure that there are no warranty...

109°F in Fullerton at 1:00 PM. Makes me glad that we just bought a GINORMOUS whole house HVAC unit.

My father and best friend died almost 14 years ago. But, I never lost him. I'm incredibly grateful for the technical skills and moral standards that he lovingly instilled in me and, therefore, to my children. Through them, we have never lost my dad. Happy Father's Day, Dad!

The title says it all!

I'm amazed that complicated rotors like this can perform safely while spinning so quickly that centrifugal forces are desperately trying to blow them apart! Coolness!

Originally Posted By: WellOiled I have looked at MicroGreen's site and I am not convinced. If your goal is to minimize wear then follow manufacturer recommendations. They are usually conservative. There are many vehicles on the road running 5000 mile oil and filter changes. Many of these have...

Originally Posted By: UncleDave Originally Posted By: kohnen Originally Posted By: UncleDave Keep it for a 3 year lease and dump it then only the most minimal routine applicable called for by the manual makes sense. If you are "keep it and drive it till the wheels fall off" - kind of guy every...

Originally Posted By: UncleDave Keep it for a 3 year lease and dump it then only the most minimal routine applicable called for by the manual makes sense. If you are "keep it and drive it till the wheels fall off" - kind of guy every thing you are doing will help and becomes noticeable over...

Originally Posted By: GM4LIFE Isn't that a little overkill? BITOG folks engaging in overkill?!?! Never!

Originally Posted By: camrydriver111 How many people turn the key and take off? I wait a little bit and let the oil flow through the engine. My passengers are always like "why aren't we going?". Then I take it easy on the car until it warms up. It's a Chevy Volt, so the engine is entirely...

Originally Posted By: MrQuackers If I could get them for under $8 a piece in quantity I'd give them a try. If you wait for one of their half off sales, you can. About $15 for 2 and free shipping.

Originally Posted By: goodtimes I think the biggest wear producer is aggressive and abusive driving habits. Given the oil/filter are changed at recommended intervals. I have no data. My opinion though says some people can trash a car engine a lot faster than another person given the same...

Originally Posted By: SatinSilver Is this for your Chevy Volt? Indeed it is. That by itself causes changes in the way that the engine is operated. The computer prevents loading the engine immediately after it's started - it starts the engine and then waits a while before loading it. And, the...