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For the 8 years I've owned my Mustang GT (5.0 DOHC engine), I've had a Ford dealer do the oil & filter changes every 5K miles or so. I think they used Motorcraft semi-synthetic (whatever that means) and a Motorcraft filter. I moved a few years ago, and now my nearest Ford dealer tends to...

What are your thoughts on the necessity of an oil filter with anti-drainback valve when used on an engine where the filter is mounted threaded side up? I'm looking at WIX 51060 vs. 51061 for a late-1980s 350. Is there some type of siphoning action that could draw the oil up and out of the...

I'm looking for tires to replace the old Michelin Pilot Sport A/S 3+ tires on my 2016 Mustang GT. The Michelins work very well from a performance standpoint, but developed a rumble after only a few thousand miles. I've lived with the noise for a few years, but now that the tread is down to...

Car is a 2016 Mustang GT. Original battery failed after a little over 2 years and was replaced under warranty. The replacement battery (a Motorcraft) is around 5 years old. A few weeks ago, I went to start the car after it had been sitting for a week-10 days, and all it did was the death click...

It's been longer than I care to remember since I changed the brake fluid on my 69 Chevy truck. It has front discs, rear drums, cast iron master cylinder & wheel cylinders, and steel lines. I have no idea what would have been recommended back then. Maybe Dot 3? Anyway, I'd like to use something...

Years ago, their cars were laughable. Now their flagship SUVs are praised by diverse reviewers such as Car & Driver Magazine and the Motorweek Illustrated TV series. So, I'd like to hear your experiences with Hyundai and Kia vehicles and dealer service departments. I'm specifically interested in...

My daughter's QX50 with the VC turbo engine gets pre-ignition on regular and medium grade gas, but it's fine on premium. I've had a few cars over the years where premium is recommended, but they have always run regular with no problems. My understanding of what happens is the spark advance is...

I don't put a lot of miles on my 2016 Mustang GT, as you can tell: 33K in 6-1/2 years of ownership. I've had a Ford dealer do the oil changes at ~5K miles, but I've done no other maintenance aside from checking fluid levels, tire pressures, and changing the engine air filter. Yes, I plan to...

I have an old Auburn limited slip differential that uses cones instead of clutches. Auburn's additive is expensive and I can't find it locally. Is there anything special about theirs vs. Ford XL-13 and others? Gear lube is GL-5.

I have 4 qts of Castrol GTX synthetic blend and 1 qt of Mobil 1 left over from previous oil changes. Both are 10W-30. Any problem mixing those together in an old Chevy 350 in which I've been running a variety of oils and weights from 5W-30 to 10W-40, both conventional and synthetic?

My wife's 2018 Infiniti QX60 has gone 22K miles in 19 months. I change the oil and filter every 5K miles as suggested by the owners manual. I'm using Mobil 1 0W-20 along with Nissan oil filters (Mobil 1 filter at the most recent oil change). But even 2500 miles and only 3 weeks after the last...

I just made an appointment to have my wife’s new Infiniti QX60 serviced. The service adviser says the car uses synthetic motor oil, which makes for a $95 oil change! However, my owner’s manual specifies 0W-20 SN, with no mention of synthetic. (I see where the SN classification applies to both...