We must first understand what each of these two systems does for a car. They both serve the same purpose, which is to coordinate the movement of the crankshaft as well as the camshaft(s) so that the ...

This diagram shows the major cam events through one full cylinder cycle (two crank revolutions or 720 degrees), beginning at TDC firing. The exhaust lobe and valvetrain is closer to the front, and ...

For years, beltdriven timing drives have been the accepted standard in NASCAR Nextel Cup racing. The same holds true in the Busch Series and Truck Series as well as other top touring racing series.

Most modern variable valve-timing (VVT) systems use a cam phaser that rotates the position of each cam­shaft relative to the timing chain. Think of making a record turntable go faster or slower by ...

It appears that the timing chains fitted to Nissan Navaras and Pathfinders with YD25 engines are week and stretch, and in most cases break with the valves hitting the pistons. The result is usually a ...

Over two decades after the first modular motor rolled off the assembly plant at FoMoCo, we're still discovering ways to improve "cammer" engines. Two-thousand eleven was a big year for the Blue ...

I CAN'T understand why carmakers can't fit cam-timing belts that last the life of the vehicle. It seems to be the achilles heel of modern cars, and certainly my Astra turbo. Holden revised their ...

Does a 1.6 petrol 2007 Mazda 3 have a timing chain or cam belt? Does the Fiat 500 Twin Air use a belt or chain? I have a 2015 Fiat 500 Twin Air which has done 33,000 miles. Should I be considering ...

As a car owner, you’re likely to run into your fair share of engine issues. While some are rarer than others, you could experience oil leaks, overheating, and multiple other things. These problems ...

The Citroen C1 (built from 2005 - 2014) 1.4 diesel uses a timing belt that should be replaced every five years or 60,000 miles (whichever comes first). 1.0-litre petrol uses a timing chain. It should ...