SlashGear

The Only Surefire Way To Tell If Your Engine's Timing Belt Is Bad

Every engine has a means of coordinating the timing between the valve train and the rest of the engine. Some engines use a timing chain and some a timing belt. A timing belt has the relatively ...
Hot Rod

Advance or Retard: Olds Quad 4 Engine Ignition Timing with ZEX Nitrous Kit

Duvernay has the highest stock output production Quad 4: the 190-hp 1991 to 1992 RPO W41. The 1993 W41 lost 10 hp due to smaller exhaust ports. I have a 1992 Olds Achieva SCX with a W41 Quad 4 engine ...
Hot Rod

Ignition - Advance Basics

The Advance CurveAll engines require an ignition curve based both on the requirements of engine rpm and cylinder filling (volumetric efficiency). This means that at 3,000 rpm with the throttle open ...
Cars

Timing Belt Vs. Timing Chain

What Does the Timing Belt or Timing Chain Do? On a conventional piston engine — which is found in virtually all modern passenger cars — the up-and-down motion of the pistons turn the crankshaft, and ...