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2017 Nissan Titan gets stronger engine

Nissan has revamped its regular-duty full-size Titan pickup truck for 2017, giving it more aggressive styling, a nicer interior and a more powerful V8 gasoline engine.The new Titan offers several new features, including an indispensable all-around camera and side blind spot monitoring. But it can still tow up to 9,390 pounds and haul up to 1,610.For the first time in its 12-year history, the Titan will be available in more than the one body configuration. Later this year, a less expensive single cab Titan with one row of seats will join the two-row Crew Cab Titan.The 2017 Titan now has ...

High-mileage car needs different oil

Dear Doctor: I have a 2007 Chevrolet Impala with 170,000 miles. It has some oil leaks. I've always used Mobil 1 Oil. Would changing over to a non-synthetic oil help? If I switch over and it doesn't help, then can I revert back to synthetic oil?- JayDear Jay: No, I would not switch back to regular petroleum oil. At 170,000 miles of engine wear, the full-synthetic oil offers the best lubrication. I recommend using high-mileage synthetic oil.Dear Doctor: I see many carmakers have 200- and 400-horsepower 2.0-liter engines - most are turbocharged and / or supercharged. Many of today's engines ...