Search results
Results from the WOW.Com Content Network
Vortec is a trademarked name for a line of gasoline engines for General Motors trucks.The name first appeared in an advertisement for the 1985 model year 4.3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber, creating a better air / fuel atomization. [1]
This engine was rated at 25 horsepower, but actually put out around 28. There was soon an "H" version designed for high rpm use. This version put out nearly 40 horsepower, while being rated at "25+". The Thunderbolt engine benefited from upgrades and updates, eventually becoming the Mark 40, Mark 50, and Mark 55 engines of the mid and late fifties.
The 90° V6 engine uses the same transmission bellhousing pattern as the Chevrolet small-block V8 engine. The oil pan dipstick is located on the passenger side above the oil pan rail; this design was phased in on both the 90° V6 and Small Block Chevrolet assembly lines (for engines manufactured after 1979) sharing the same casting dies.
The inherent advantages of four-stroke motors included: lower pollution (especially oil in the water), noise reduction, increased fuel economy, and increased torque at low engine speeds. Honda Marine Group , Mercury Marine , Mercury Racing, Nissan Marine, Suzuki Marine, Tohatsu Outboards, Yamaha Marine, and China Oshen-Hyfong marine have all ...
The company's most innovative engine appeared in 1958. The first mass-produced die-cast aluminum engine, it was a four-cylinder, 50 horsepower outboard, completely manufactured by OMC, its V-blocks came from Johnson, its steel parts from Evinrude, while the Gale division contributed its carburetors and ignition systems.