Using heat on stuck car Bolts Using heat on seized up car Bolts If all else fails to move a nut, bolt or screw, heating it up may help to release it. You can do this with direct ...

V4 engine A V4 engine is a V form engine with four cylinders and three main bearings. Automobile use The V4 engine has not been widely used in cars, with Lancia, Ford and ZAZ the ...

V8 engine A V8 engine is a V engine with eight cylinders mounted on the crankcase in two banks of four cylinders, in most cases set at a right angle to each other but sometimes ...

Engine Multi-valve History In automotive engineering a multi-valve or multivalve engine is one where each cylinder has more than two valves. A multi-valve engine has better ...

Engine Valve timing In a piston engine, the valve timing is the precise timing of the opening and closing of the valves. In four-stroke cycle engines and some two-stroke cycle ...

Variable valve lift Variable valve lift is a technology which is increasingly used in automotive piston engines. It varies the height that a valve opens, in order to improve ...

Engine Variable valve timing In internal combustion engines, Variable valve timing (VVT), also known as Variable valve actuation (VVA), is any mechanism or method that can alter ...