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Wife's Toyota Sienna was left in accessory mode for several days - battery quite dead. Jump-starting it from my car, I was wondering how much current is flowing into it? It would seem like it could be quite a lot - source battery is rated over 500 CCA, cables are 8-ga, 10 ft. My hunch is that...

Our A/C has been having trouble keeping up this year. We only run it when the temperature inside the house gets into the mid 80's, which has happened the last few days. IIRC, last year on a 90-ish degree day the A/C would run almost, but not quite constantly, but was able to maintain 75 degrees...

This summer I got a new car, a 2016 Mazda3, stickshift, 2.0L. In the US the owner's manual recommends 87 octane and the engine has a 13:1 compression ratio, but in other countries it recommends higher octane and has a 14:1 compression ratio. I was interested in whether higher octane would have...

Long story short, the shutoff valve on the output of my water heater wouldn't open back up after I closed it. I have copper pipes so naturally it's all sweat fittings. After dickering for awhile I decided to try to replace it myself (haven't worked with sweat fittings before). So I cut the pipe...

So remember that time when I said I was going to get a lightly used car next summer? Well, this week I bought a manual transmission 2016 Mazda3 i Sport. It's black on black and has the "Preferred Equipment Package", which adds alloy wheels, rain sensing wipers and blind spot monitoring, among...

My Cobalt is 11 years old. Next year I'm planning on buying a 1-3 year old used car to replace it. Things like fuel mileage and initial quality are fairly straightforward to assess, but one of the things I'm interested in is how "new" the car feels after 8-10 years. As an example, my Cobalt has...

We've talked about handgun self-defense ammo on here before, so I thought I'd provide this link to what's probably the largest, best-documented ammo test I've ever seen. I haven't read through the whole thing yet, but here it is: http://www.luckygunner.com/labs/self-defense-ammo-ballistic-tests/

I have a Honda HRM215 SX from the early 90s that I'm thinking about selling. It works fine except for the RWD, which seems to slip some times. So... Sell or get it fixed? And how much to sell it for?

The situation - friends at our house, 2006 Chevy Cobalt. They start it up to leave, we're talking for a couple more minutes while it runs. They notice the gas gauge is at empty (tank was half full) - they've been having "weird electrical issues" - and smelled a burning smell. Turned the car off...

This is a good one for engineers. https://www.youtube.com/watch?v=RXJKdh1KZ0w

Just read this article where the writer found Breakfree CLP and Eezox (which I had never heard of before) to be best at rust prevention. So what have you guys had good luck with for firearms rust prevention?

I don't know if you guys are aware of the recent space probe landing on a comet, but here is a link to a Wired article with some pretty amazing photos. http://www.wired.com/2014/11/rosetta-philae-comet-surface-photos

http://www.theatlantic.com/magazine/archive/2011/09/the-secret-history-of-guns/308608/ In my opinion, the 2nd Amendment is a bit vague, probably on purpose: Quote: A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not...

We have a There aren't any kinks in the vent that I can see. I took off the front panel last weekend, and while there was a bit of lint to be vacuumed out, everything looked OK. No loose connections or missing insulation. Our house is roughly 20 years old. The dryer is connected to a 3-prong...

We're currently without power after a big thunderstorm knocked down a bunch of power poles nearby. They're still not sure when power will be back. So I'm looking for something to power our fridge, to avoid wasting all that food. So, first question - would one of the 800W 2-stroke HF generators...

I've recently thought it would be a fun endeavor to grow a maple tree from seeds dropped on the roads and sidewalks in my neighborhood. So I looked around and found some that I like the look of, and collected some seeds. Now I'm trying to identify the species. The samara (seeds) look exactly...

I'm right handed, but my left eye is dominant. Ergo, if I shoot a rifle right handed, I have to either close my left eye or put something over it so my brain "registers" the image from my right eye. Or I can shoot lefty and keep both eyes open. What's the right way to do it?

I've been thinking for a while about getting a gun. I don't want to go through the pain of getting a pistol permit, and I don't want a shotgun, so that leaves me at some sort of rifle. So what would you recommend to learn with? I'd like the gun to be relatively inexpensive (used is fine) and...

I've been curious for a while how it would work to burn charcoal in a wood stove. In reading on the Internet, the two most common comments I've come across are, "You'll get CO poisoning" and "it'll get too hot and melt your stove." The first is pretty silly, since the fumes will obviously be...

Car & Driver article. Quote: For Ford’s global thermal test, for example, engineers run an engine up to peak power, and when the water temperature hits 230 degrees Fahrenheit, they shut it off and pump minus-22-degree coolant through it for 15 minutes. Then they start the frost-covered engine...