While swapping a used 6.1L HEMI into my Charger, I pulled the engine’s original spark plugs before it went in. Laid out in order, they tell a small story about how the engine had been run — and they’re a perfect excuse to explain how to read used plugs, and why a HEMI has so […]
If you have opened the bonnet of a Mazda 6, CX-5 or Mazda 3 from the last decade and spotted a small orange i-ELOOP label, you have found one of Mazda’s cleverest fuel-saving tricks. i-ELOOP — short for “intelligent Energy Loop” — is Mazda’s brake-energy regeneration system, and unlike a hybrid it does the job […]
Most parts on a car give you plenty of warning before they fail. A timing belt is one of the few that often gives none — and when it lets go, it can wreck the engine in a fraction of a second. It is a cheap rubber part doing one of the most important jobs […]