By on February 12, 2015

torque steer. Shutterstock user temp-64GTX

M.D.K. writes:

Good Afternoon.  This will be my third query to this column, the first being an ill advised plan to put my wife in an old Mercedes hatched in an Afghan Bunker, the Second being for our Afghan Trailblazer that wouldn’t run.  The Benz never materialized (thankfully) and the Trailblazer was made to run reasonably well with a fuel filter and removal of the clogged catalytic converter (The EPA man wasn’t coming to Bagram).  Sadly about a week after we got the Trailblazer running they collected it in an effort to go to an all diesel fleet.  It was replaced with a TaTa pickup.

This actually pertains to a vehicle in my own fleet, my wife appliance grade 2007 Hyundai Tucson.  (Read More…)

By on January 19, 2015

wheel. Shutterstock user 80's Child

Long-time TTAC Commentator 86er writes:

Hi Sajeev,

Could Piston Slap furnish me with a be-all/end-all explanation about wheel offsets? The more I try to read up on it on the web, the more confused I get. I’m pretty clear that RWD (at least traditionally) went with the low-offset while the FWD revolution made high positive offsets the industry standard, at least in passenger cars.

A few years back, I had purchased a set of winter tires on rims for my trusty ol’ 92 Vic and later after research found out that the rims were medium-offset that went on a 4×4 Ranger of similar years. I’ve heard that putting on a different-offset wheel can hurt steering/suspension parts like ball joints, but I’ve never seen it in black-and-white, so to speak. (Read More…)

By on August 15, 2011

Among the many new SKYACTIV technologies that Mazda plans on introducing to its global lineup, a unique start-stop system is one of the most important. Initially Mazda had decided not to bring its idle-stop system to the US as the EPA system didn’t measure a major improvement in efficiency, but ultimately the decision was made to make all of its vehicles idle-free by 2015. But an early test of a SKYACTIV idle-stop-equipped Mazda2 by Automotive News [sub]’s Hans Greimel reveals an interesting characteristic:

a funny thing happened when I paused for a red in Tokyo’s harbor district.

After a few moments of silence, the engine clicked on, as designed, to help keep the air conditioner going. OK, that’s normal. But as the engine jumped to life, so did the steering wheel. To my surprise, I found the engine’s start-up vibrations turning the wheel to-and-fro in my loose grip.
(Read More…)

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