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Autocar pits McLaren MP4-12C against turbo Toyota GT86

The Toyota GT86, in all of its forms, is one of the best-handling cars money can buy, a trait that can put a smile on the faces of all but the most jaded car enthusiasts. But if good handling isn't what they're looking for, then what is? Our first guess would have to be more power, something the 200-horsepower Toyota would benefit from. Autocar tries out that theory by driving two turbocharged GT86s on track, then pitting the more powerful one against the 616-hp McLaren MP4-12C in a track battle.
The first GT86 turbo Autocar's Steve Sutcliffe drives makes around 255 rear-wheel horsepower and a bucket-load more torque than the stock car. That's plenty of power to either have a lot of fun or get into a lot of trouble. But the GT86 that Sutcliffe tails in the McLaren is race-prepped, stripped to the bone and wears slicks to harness a heavy-hitting 335 hp at the wheel. Weighing in at under 2,500 pounds, the Toyota can't overcome the MP4-12C's power-to-weight ratio of 5.3 pounds per horsepower, but it comes pretty close.
Enjoy a lot of chasing and drifting fun in the video below!

Akio Toyoda pledges return to WRC in 2017 with a Yaris

There have been rumors of Toyota returning to the World Rally Championship since the end of 2013, and a Yaris prepped by Toyota Motorsport in Germany has been caught on The Continent several times last year in testing. Akio Toyoda visited Rally Finland while we were there with Hyundai to watch a race up close, and he said that the passion people still had for Toyota's past exploits encouraged him. He finally answered the question about when they planned to enter the series, announcing in Tokyo that they'd line up for the season in 2017. The Japanese company, a legend in rallying, got into the sport in 1979 and left in 1999 after winning seven titles in ten years through the nineties with Carlos Sainz and Juha Kankkunen. The 2017 return is likely due to the regulation changes that year to allow more power than the roughly 300-horsepower in today's challengers and the switch to a fuel-flow formula to let manufacturers use different kinds of engines. Toyota has been sitting in on the WRC rules meetings, and the final slate of changes will be announced at the end of this year. The Yaris that's been testing is powered by a 1.6-liter, four-cylinder that meets current regulations, but we can expect it to change somewhat before it's race-ready. TMG will test the car for the next two years, then it will go up against fellow manufacturers Volkswagen, Hyundai, and Citroen, as well as Fords run by M-Sport. There's video of the Yaris running solo through the Belgian countryside above, and a gallery of the coming car below.

How to fix a $4,000 hybrid battery problem with vinegar and baking soda

This is one of those 'Don't try this at home if you don't know what you're doing' DIY tales. Two weeks after imgur user "scoodidabop" bought a used Toyota Camry Hybrid with no warranty, he got the Christmas Tree dash display with warnings like "Check VSC System," "Check Hybrid System," and the Check Engine light. After some Internet sleuthing he figured it could be a faulty brake actuator, assuming the hybrid system warning was a false alarm. But it wasn't the actuator, it was the battery, a Toyota dealer telling him that his battery had "gone bad," and he'd need $4,457 to replace it. Then he had a brainstorm: it could be one of the cells that's gone bad, not the whole battery. Scoodidabop has some experience as an electrician, so he figured he could test it and replace any bad cells for about $45 apiece. He removed the battery unit from the trunk and over the course of two hours tested all 68 cells four times. He found nothing wrong. So he devised another type of test and checked every cell again. He couldn't find a problem with any of them. Turns out the problem wasn't in the cells, but with the dirty and corroded copper connectors at the ends of the high-voltage cables. He pulled the 34 connectors and their steel nuts, soaked them in vinegar, gave them a light steel wool scrub, soaked them in baking soda and water to counteract the vinegar, applied an anticorrosive and reinstalled them. That took an hour. When he replaced the battery, the warning lights had all gone out and the battery worked perfectly. Skill level: experience. Cost: less than $10. Perhaps it's time for hybrids to be able to test their own cells individually. Dealers, too.