rocker cover
rocker box BrE
valve cover AmE

The rocker cover was invented to keep the oil in and the dirt out.

"Could be that the rocker cover wasn't screwed down properly."

The same contrast applied to the rocker covers and magnetos.

The rocker cover on the delivery service version had a crimson ceramic coating.

Valve retainers are also made of titanium, as are the rocker covers.

The two inclined rocker covers give the engine a similar appearance to an overhead - camshaft arrangement.

(This was red, but black colours are available, and the rocker cover was only available in silver).

It would appear that the rocker cover is becoming pressurised and oil consumption is approximately one pint per 150-200 miles.

These engines are easily identified by their rocker covers, which each have elevated sections over 2 cylinders with electrical connectors on top.

An eye catching feature introduced under the bonnet/hood in 1964 was color-coding on the rocker cover according to the engine type.

This engine was an Overhead valve design, with offset valves and unique scalloped rocker covers, giving it a distinctive appearance.

Anecdotally this arrangement was to reduce production costs as the cylinder head mounting studs and bolt were all accessible with the rocker covers fitted.

The Cleveland has a square-shaped rocker cover while the Windsor has a more rounded cover.

This inverted engine featured dual gear-driven camshafts with the valve rocker cover acting as the oil tank.

Fabricated Moroso rocker covers.

To reduce engine weight, extensive use of aluminium castings was made for the cambelt case, vacuum pump, rocker cover and other parts.

Shelby's version had diecast aluminum Cobra rocker covers but wore the same plain painted ram-air air cleaner.

Rocker covers, in relation to the internal combustion engine, are covers that are bolted on over rocker arms.

To change the cam, you need a front cover gasket, inlet manifold gasket and two rocker cover gaskets.

Swedish hip hop group Looptroop Rockers covered the song on their 2008 album Good Things.

New Wave group Red Rockers covered the song in their 1984 album Schizoprenic Circus.

All early twin cam engines appear to have the 14 bolt rocker cover (6 for the cover and 8 for the bolt-in plug holders).

The panhead was a Harley-Davidson motorcycle engine, so nicknamed because of the distinct shape of the rocker covers.

All bikes sold worldwide were red and white, with a red seat, red cast wheels and most had black rocker covers, engine and lower rails.

However this was not possible in the end due to the cam chain fitting and setting of the cam timing requiring the removal or the rocker covers.

These designs also employed the "rocker box" mount listed above.

A faster way was by a rocker box or by sluicing.

The cylinder block was cast iron with an alloy head and separate rocker boxes.

However, the engine should be quieter because of new noise reduction techniques isolating the rocker box cover.

Try sealing the cap with a small amount of silicone sealer before replacing in the rocker box.

The rocker box was integral with the head, so there were fewer gasket faces to leak and less valve noise.

Like a sluice box, the rocker box has riffles and a carpet in it to trap the gold.

My problem has arisen where engine oil is emitted from the rocker box cover breather and fixing bolt mountings.

The excessive oil temperature was not just the result of heat coming from the piston crowns, but from the cylinder head and rocker boxes.

Modifications to the altazimuth mount (rocker box)

Many designs have increased portability by shrinking the altazimuth (rocker box) mount down to a small rotating platform.

The knucklehead was a Harley-Davidson motorcycle engine, so named because of the distinct shape of the rocker boxes.

A rocker box uses less water than a sluice box and is thus well suited for areas where water is limited.

As Genet Major IA but with cylinders using cast rocker boxes.

Subsequently, valves were enclosed in individual dustproof chambers or "rocker boxes", lubricated by oil-soaked felt pads.

It differed in cosmetic details, as well as in having two rocker boxes, which resulted in higher volumetric efficiency for the engine.

A rocker box (also known as a "cradle") is a gold mining implement for separating alluvial placer gold from sand and gravel.

They are called valve covers in the United States and Canada, and rocker boxes in the UK.

The process involves pouring water out of a small cup and then rocking the small sluice box like a cradle, thus the name rocker box or cradle.

The rocker box, also called a cradle, uses a riffles located in a high-walled box to trap gold in a similar manner to the sluice box.

Trojan Rockers Box Set (TJETD338)

In the initial design the concept was that flowing large amounts of oil through the rocker boxes (much more than was actually needed for lubrication) would help cool the heads.

My 1976 Series III diesel SWB is losing engine oil through the engine breather cap mounted on top of the rocker box.

The curvature is determined by the length in which this angular change takes place and is governed by the distance between the engine rocker boxes and the trailing edge of the propeller.

The separate tubes were reliable, less expensive to manufacture than casting them into the head, and gave that side of the engine its distinctive "hollow" appearance with the rocker box appearing to be supported by columns.

Valve cover racing is most commonly seen at car shows.

"I took the valve cover off and for the first time in my life saw the inside of a car engine," she recalls.

The valve cover is made of magnesium to save weight.

Also checked was the tag screwed to the valve cover.

Let's show you in this article how to polish aluminum valve covers.

Both the pilot valves cover one port each in the oil chamber.

There is the glistening and flowered valve cover for one thing.

The colors of the valve covers seem to be related to the year the engine was released.

Sealed bearings and valve covers were for special applications only.

This design was replaced in September 1986 with a valve cover that bolted to the head.

The young inventor lifted off the valve cover, though it felt like a ton weight to him.

The valves are in-line and use straight 6-bolt valve covers.

The 235-horsepower version had argent silver valve covers and air cleaner.

Oil pans and valve covers made from plastic first turned up on diesel engines about five years ago.

The latter had the red valve cover replaced by a green one, to emphasize the environmental friendliness.

The only engine change in 1995 was the replacement of the aluminum valve cover with a magnesium piece.

Engine valve covers with a "Bentley" logo were only used when the factory had them available.

A heavy, hollow thunk echoed: head slamming into a valve cover.

Red was the color of the valve covers on a new Ferrari four-cylinder engine introduced for 1956.

The crack is usually discernible with the valve cover removed as a "milky" tan line.

The coil packs are mounted on the valve covers.

After the warm up the valve covers are taken off, oil is changed and the car is refueled.

Valve cover and clutch covers were painted black as well as the wheels.

It also received a new acrylic valve cover design, replacing the old metal cover.

If it is stuck in the closed position, high crankcase pressures could cause the valve cover to leak or break.