Piston slap: Additives for enhanced engine cooling

Hagerty Media reader DUB6 writes: Sajeev, I’m going to turn your high-powered investigative prowess onto a topic that might ...

Piston slap: Eliminate exhaustion with direct fit catalytic converters

Brian writes: Sajeev, I have two V-8–powered vehicles that both need one catalytic converter replaced. The first is a 2005 ...
Star Tribune

Engine ticking noise on startup is a nuisance, not a disaster

Q I have a 2006 Honda Accord four-cylinder with 105,000 miles. It has developed a clicking engine noise on a cold start. After the car has warmed up, the sound goes away. I have seen references to a ...
Hot Rod

Pit Stop

A:Offsetting the pin is done not for engine longevity, but to reduce audible "piston slap" on cold start-up. The pin is offset towards the piston's major thrust face—that is, the side of the piston ...