What is Intake System
An intake system is a set of components that essentially allows an internal combustion engine to inhale, in the same way that the exhaust system allows it to exhale. This system ensures that clean, filtered air is mixed with fuel in the correct proportions for efficient combustion. By optimizing the air intake, the system enhances engine performance, fuel efficiency, and overall vehicle operation.
Benefits of Intake System
Improve engine power
The intake system can do more useful work under the same combustion conditions by inhaling more fresh air, allowing more fuel to be injected, thereby improving the charging efficiency, which is an important means to improve the engine power and economy.
Reduce noise
The intake system can effectively reduce the noise of the intake system, improve the NVH performance of the car and the driving comfort of consumers by optimizing the design of the air filter and applying a variety of silencer components.
Optimize intake efficiency
The resonant intake system composed of an intake manifold and a resonance chamber with specific geometric parameters can enhance the pressure wave in the intake manifold, increase the intake pressure, and increase the intake volume, thereby greatly improving the engine's intake efficiency at certain speeds.
Improve ride comfort
The design of the intake system not only affects the power output of the engine, but is also directly related to the NVH performance of the entire vehicle. Through carefully designed silencer components, the noise level of the subsystem can be effectively reduced, thereby improving the quietness of the entire vehicle.
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Aluminum Tall Fabricated Valve Cover
- Big Block Tall Valve Covers. - Tig welded aluminum. - With baffled breather holes. - Fits 1965-95 Add to Inquiry -
Fabricated Valve Cover with Center Bolt
Surface Finish: Polished. Thick 1/4 billet rail. Center bolt style. Bolts included Add to Inquiry -
Fabricated Valve Cover with Coil Mounts
- Clear Anodized Finish. - Fits Chevy LS1 Models. - Include mounting brackets. - Tig welded aluminum Add to Inquiry -
Small Block Fabricated Valve Cover
- Small Block Fabricated Valve Cover. - Tig welded aluminum. - With baffled breather holes. - Fits Add to Inquiry -
Tall Valve Covers
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Short Bolt Fabricated Valve Covers
• Fits 1962-85 small block 289, 302, 5.0L, and 351W (spacer may be required to fit factory 5.0L EFI Add to Inquiry -
Fabricated Valve Covers No Hole
Item No: FVC-008P. Big Block Tall Valve Covers. Fit Ford 429 to 460 engines.. Long Bolts without Add to Inquiry -
Fabricated Valve Covers with Hole
• Fit: SB Chevy 327 350 383 400 V8 Engines. • Fabricated Aluminum. • Long Bolt Style (Perimeter). • Add to Inquiry -
Aluminum Alloy Fabricated Valve Cover
Item: FVC-005SL. SMALL BLOCK FORD. Long Bolt Style Add to Inquiry -
Long Bolt Valve Covers
• A Pair of Long Bolt Valve Covers.. • Comes With Outer Bolts That Go Through The Top Of The Covers Add to Inquiry -
Black Aluminum Valve Cover
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Chrome Valve Covers Engine
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What is the Function of the Intake System?
The intake systems purpose is to let air travel to your car’s engine. Oxygen within the air is one of the prime ingredients for engine combustion. A decent intake system enables continuous and clean airflow into your engine. As a result, it obtains superior mileage and more power for your car.
Location of the Intake System on a Car?
It is usually located where it can take air outside the engine bay, such as a fender, the grille, or hood scoop. The air intake tube is the beginning of the way where air goes through the system. In other words, it is the only “door” which air can get to the system. Air from outside has lower temperature and denser. Therefore, it will be richer in oxygen and better for combustion, power output, and engine efficiency.
What Are the Main Components of an Intake System?
The air filter
The air filter is one of the most critical parts of any air intake system. Air filters are designed to provide superior filtration, ensuring that only clean and uncontaminated air reaches the engine. This is crucial for maintaining optimal engine performance and longevity.
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The mass flow sensor
Often integrated along the intake tube, the mass flow sensor plays a vital role by measuring the amount of air entering the engine. This measurement is critical for the engine control unit (ECU) to balance and deliver the correct fuel amount to the engine, optimizing performance and efficiency.
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The intake tube
The intake tube is the pathway through which the air travels to the engine. Intake tubes are engineered to have smooth surfaces and minimal bends to reduce air resistance and turbulence. This design ensures a more direct airflow, enhancing the engine’s ability to "breathe" more efficiently.
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Throttle body
In fuel-injected engines, the throttle body is a crucial component. It controls the amount of air that enters the engine, which in turn affects the vehicle's speed. The throttle body must work seamlessly with the air intake system to ensure precise control over the air entering the engine.
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Intake manifold
The intake manifold distributes the air from the intake system to the cylinders. Its intake manifolds to optimize the airflow and distribution to the engine’s cylinders, which can significantly enhance performance by improving the engine's breathing capacity.
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How to Replace Valve Cover
The first step may be the last step. Before tearing everything apart, first try gently cinching down the valve cover bolts or use a torque wrench. Over-tightening bolts will not stop bad gaskets from leaking. Aluminum valve covers can crack. Steel valve covers can warp. Monitor oil level after tightening. Move on to step two if oil is still leaking.
Allow the engine to cool. Consult the service manual or instructions for valve cover removal. This car is turbocharged and had a fair amount of plumbing in the way. Remove throttle cables, spark plug brackets, PCV hoses and anything else in the way. Remove the valve cover bolts.
Lift off the valve cover. Tapping with a rubber mallet can help loosen the valve cover’s grip. Be extremely careful not to drop anything into the engine. If a nut or bolt falls into the engine there will be a lot more work to do. Even an old newspaper tented over the engine can help stop this from happening.
Remove the old valve cover gasket and install the new one. The valve cover shown here is cast aluminum and has a groove in which the gasket sits. If scraping is required, do not use metal scrapers on aluminum valve covers or cylinder heads. Use plastic to prevent leak-causing nicks. Also note the new grommets on valve cover bolts.
Apply silicone only where required. Do not use silicone or sealer unless the service manual or gasket instructions say to use it. Clean all oil off all surfaces before applying silicone. Allow silicone to cure before starting engine.
Install the valve cover with the new gasket and tighten bolts to the recommended torque. Valve cover bolts don’t require too much twist. A torque wrench and service manual will eliminate guesswork. Install everything you removed to get at the valve cover.
What Are the Signs of a Bad Black Aluminum Valve Cover？
You see oil leaking from the valve cover area
You may notice evidence of one or more oil leaks coming from your valve cover, usually from the edge where the gasket seals your valve cover to the rest of the engine. This may be a small leak that drips down into other parts of the engine and eventually onto the ground under your car. It could also be a larger leak that coats the surface of your valve cover, and then attracts a layer of dirt and grime on top. Leaking oil can also damage your belts and hoses. This is most likely an indicator of a bad valve cover gasket, which your mechanic can replace.
Your oil level remains low
You should be checking your oil level regularly. If you see that your oil level reads consistently below the full mark, even after you top it up, you could have a bad valve cover that is steadily leaking oil. If you do not check your oil often enough, you may learn of this condition when your dashboard oil warning light or Check Engine light comes on. If either of these lights come on, pull over to a safe spot as soon as possible and shut down your engine. Check and top up your oil, before any permanent damage is done to your engine from lack of lubrication and overheating. Inspect your valve cover for any leaks or oil residue. Call your mechanic right away for a fix, before it gets any worse.
You smell burning oil
Oil leaking from a bad valve cover can drip down onto the hot parts of the engine as well as the exhaust, causing the oil to burn and smell bad. If you open your hood when you smell this, you may or may not be able to see smoke where the oil is burning. Call your mechanic and get your car to the repair shop as soon as possible. Bad things can happen when you have something burning under the hood.
Your engine is misfiring
Many vehicles are designed so that their spark plugs are attached to the engine through openings in the valve cover, or they may be located directly below the valve cover. If you have a bad valve cover that is leaking oil, some of the oil may find its way into the openings where the spark plugs are located. The oil can keep them from operating properly, resulting in a misfire and rough engine running. In extreme cases, this could start a fire in your engine. This needs immediate attention from your mechanic.
How Do you Fix a bad Black Aluminum Valve Cover?
Most cases of a bad valve cover turn out to be caused by a leaking valve cover gasket. This can be fixed by removing the valve cover and the bad gasket, cleaning up the oil that leaked out, and reinstalling the valve cover with a fresh new gasket. Another possibility is that the valve cover itself may have cracked and then leaked. The fix for this is a new valve cover, along with a new gasket. All of the valve cover bolts should be correctly tightened and torqued for an oil-tight seal.
Should you Drive Your Car With a Bad Valve Cover?
If you have a minor leak from your valve cover, and it's not producing any oil loss, smoke, burning smell or misfiring, it is not necessarily an urgent issue. Monitor it regularly, and also be sure to check your oil level for any sudden drops. If it gets any worse, or you notice any of the above symptoms of a bad valve cover, get your car to the repair shop without delay.
How to Clean Up Old Black Aluminum Valve Cover
Degreased the heck out of them, inside and out. The old cork gaskets just didn’t want to let go. They were really stuck in place, so that took a little bit of time to get them worked out. Once they were out we thoroughly cleaned the covers to make sure there was no oil anywhere on them.
Sprayed them with the etching mag wheel cleaner and let it do its thing. We let the cleaner soak on the covers for a few minutes, scrubbed them, and then cleaned them off as directed. The first picture below is what the covers looked like once they were cleaned and etched. Once dry, we primed them with high temp engine primer.
We top-coated with a rattle can semi-gloss black. We did this because we wanted the paint to match the rest of the color and sheen of the other components in the engine compartment. We also didn’t think the valve covers would get hot enough to alter this paint. Even after putting 1,000 miles on the truck, the paint looks just as good as when we sprayed it.
Since these covers had the heat dissipating fins, and the raised M/T, we took a block with some 220 grit sandpaper and scuffed the paint and primer off of the top of the fins and the raised lettering. We then repeated this process with 400 grit and then 600 grit.
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