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Gents, I have a 2015 Chevy Volt. It runs like an electric car for the first 40 miles of a trip. If you drive beyond that, the engine turns on. IIRC, it's a 1.4 liter detuned Chevy Cruse engine. GM requires Dexos 1 oil. Their oil life monitor tracks how much the engine is used, and how much...

References: https://www.walmart.com/ip/Pennzoil-Ultra-Platinum-5W-30-Full-Synthetic-Motor-Oil-5-Quart/55291206 Is this oil Dexos Gen2 certified? by daworm86June 6, 2018 Last answer: August 23, 2018 Hi, Pennzoil Ultra Platinum 5W-30 is currently not approved for the GM dexos1 Generation 2...

Folks, I've seen all too many YouTube videos where people test the lubricity of a motor oil on a lubricity tester, test its cold flow performance, and test how much is lost when it is kept at a high temperature for a few hours. I think the lubricity test is somewhat bogus - nowhere in an...

Mobil 1 Annual Protection 5W-30: 20,000 miles or 1 year, whichever comes first. Both Dexos 1 Gen 2 certified. Still being sold, it appears no longer at Walmart.com. Mobil 1 Extended Performance 5W-30: 20,000 miles or 1 year, whichever comes first. Both Dexos 1 Gen 2 certified. $24.37 per 5 quart...

Gents, a year ago, I put Mobil 1 Annual Performance 5W-30 in my Chevy Volt. This oil, as you all know, is a Dexos 1 (1st Gen) oil. My oil life monitor says I have a year left on the oil. Mobil says it's gotta go after a year. So, when do I change it? Which ginormous company do I listen to? (As...

Gents, I have a 2015 Chevy Volt. This car has an engine and a large battery. Runs as a full electric until the battery goes flat. Then, it fires up the engine and operates very much like a Prius. About 80%-90% of the miles are all electric, so the engine (and the oil contained therein) is...

Gents, I went and bought a Chevy Bolt. This is GM's all electric car (238 miles range). It's transmission couldn't be simpler. It just a 2-stage helical reduction gear set, reducing the electric motor's output by a ratio of 7.05 to 1. GM uses Dexron HP* ("High Performance," backward...

Gents, I know that GM requires their oil to meet Dexos (1 or 2 depending). It looks to me like the Dexos specs are pretty good. Would it be a good idea to use the spec as an indicator of a premium oil, and use Dexos spec'd oil for, say, Hondas or Toyotas, or Fords, or...?

Howdy Gents! I've got a Chevy Volt that I'm playing with. One of the things I'm playing with is the oil and filter. I figure this is the place to post my results. I put about 2,000 miles on the engine for this filter. (The Volt is an electric car that also has an engine). I'm running Pennzoil...

Gents, In my package of MicroGreen filters, they stuffed a single sheet for CermaLube oil. They gave a website, www.CermaLube.com with information about their oil. As far as I can tell, the key to their oil is nano Silicon Carbide (SiC) and they make a whole bunch of crazy claims (Increased...

Folks, I own a 2015 Chevy Volt (1st generation range-extended electric car). I'm also an electrical engineer, so I have some insight into how the car works. Feel free to ask any questions and I'll try to come up with answers worth at least what you paid for them.

Gents, I've seen the common question: What is an oversized filter for filter ? I've found a website, OilFilterData.com, that makes answering this question really, REALLY easy. Thought you folks might want to know about it - I found exploring around the site to be most illuminating.

Gents, I have two questions. I've asked Exxon Mobil, and their inability to actually answer them is hilarious. So, I'd like y'all to take a crack at them: 1) Does Mobil 1 5W-30 Annual Protection, as is currently being sold, meet the Dexos1 Generation 2 specification? 2) Exxon Mobil makes a big...

OK gents - Got a question for yall: I drive a Chevy Volt. It is an electric car with a gas engine that is fired up only when the main electric car drive battery is flat. The engine is a 1.4 liter, multi-port fuel injected normally aspirated engine, i.e., no turbo, no direct injection. It has...

Along with Mobil's Annual Protection motor oil, Mobil's come out with Extended Performance oil filters. Are the filters truly new and better, or are they repackaged to better match Mobil's new oil?

I just don't see who Mobil thinks will buy M1 Annual Protection. It won't sell well to garages that do oil changes for people - the only way it would sell would be for shops to tell their customers that the change will last 20,000 miles and 1 year. They won't do that for liability reasons and...

Why does GM use DEX to name things?

Beginning 1 January 2017, the updated Dexos (Dexos 2015) spec oils will be available. What are the improvements? Is it backwards compatible? (I'm guessing almost certainly.) Will there be any benefit from using the next Dexos spec oil in an existing 2015 GM Car? I've seen almost nothing here...

Hello Gents (and Kira), I've been doing a little experiment with my car. It's a Chevy Volt, so it's possible to drive the car without running the engine (it's electric). I put a Gold Plug magnetic drain plug on it, a Motion Pro Oil Filter Magnet next to the inlets of the filter, and two...

Gents (and the occasional lady): I have a '15 Chevy Volt. Electric until the battery runs flat, then the gas engine takes over. Current oil: About 1,000 engine miles on M1 5w-30 EP, and a MicroGreen filter (don't recall the size). I have some Pennzoil Ultra 5w-30 just itching to be used. I...