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Best blow off valve 2018 – [Buyer’s Guide]

Last Updated December 1, 2018
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Willard LawsonHey, I’m Willard Lawson. After putting in 29+ hours of research and testing, I made a list of the best blow off valve of 2018 and explained their differences and advantages.

I will go through the main features and what you should consider when deciding which one to pick over the other. Like most products, some outdo others, so use my top three list below to get started on your search for the best blow off valve of 2018.

Best blow off valve of 2018

The “Total” indicates the overall value of the product. There’s a product for every kind of user on the list of affordable options below. The above tidbits will bring you closer to selecting blow off valve that best serves your needs and as per your budget. Here are my top picks with detailed reviews, comparison charts and buying guides to help you purchase the perfect item for your needs.

Test Results and Ratings

Rank №1 №2 №3
Product
Total 4.8 4.5 4.3
Ease of use
4 points
5 points
4 points
Size
5 points
5 points
4 points
Performance
5 points
4 points
5 points
Quality
5 points
4 points
4 points
Awards 1
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How to save up to 86%? Here is little trick.

You must visit the page of sales. Here is the link. If you don’t care about which brand is better, then you can choose the blow off valve by the price and buy from the one who will offer the greatest discount.

 

 

№1 – MATCC Adjustable Foam Cannon 1 Liter Bottle Snow Foam Lance With 1/4″ Quick Connector Foam Blaster for Pressure Washer Gun

 
MATCC Adjustable Foam Cannon 1 Liter Bottle Snow Foam Lance With 1/4

Pros
☆Adjustable Snow Foam Lance with 1/4″ quick disconnection fitting.Capacity:0.22 Gallon(1L) .
☆Requires pressure washer to Have 2.0GPM & Over 1000 PSI Pressure for use.Requires pressure: 70BAR – 1000PSI; Maximun pressure: 200BAR – 3000PSI; Maximum flow:5.3Gpm.
Cons
Not found yet.
 
Total:
4.8

Why did this blow off valve win the first place?

The rear part fits perfectly! It is mounted really tight and reliable. I don’t know anything about other models from this brand, but I am fully satisfied with this product. I am very happy with the purchase. It is definitely worth its money. The product is top-notch! The product is very strong. Its material is stable and doesn’t crack.

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Ease of use
4

4star

Size
5

5star

Performance
5

5star

Quality
5

5star

 

 

№2 – Perrin Subaru 02-07 WRX / 04-15 STI Red Blow Off Valve kit Recirculation Only

 
Perrin Subaru 02-07 WRX / 04-15 STI Red Blow Off Valve kit Recirculation Only

Pros
Color: Red
Reliable! I really like this!
Cons
Inconsistent results.
Cheap feeling construction.
 
Total:
4.5

Why did this blow off valve come in second place?

The material is pretty strong and easy to wash if needed. Managers explained me all the details about the product range, price, and delivery. I recommend you to consider buying this model, it definitely worth its money. This is a pretty decent product that perfectly fitted the interior of our office.

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Ease of use
5

5star

Size
5

5star

Performance
4

4star

Quality
4

4star

 

 

№3 – Dromedary Universal Black L Turbo Sound Noise Exhaust Muffler Pipe Whistle / Fake Blow off valve BOV Simulator Whistler

 
Dromedary Universal Black L Turbo Sound Noise Exhaust Muffler Pipe Whistle / Fake Blow off valve BOV Simulator Whistler

Pros
1.Application: Universal fitment for all vehicles models
2.Make your vehicle sound like a turbo vehicle with the turbo system or blow off valve.
3.Turbo Sound Size: L 33mm(Diameter);Fitment Tail Pipe Size: 44mm to 55mm;Displacement: 2000cc-2400cc;Length: 11cm
Cons
Not the most affordable on the market.
Wears off quickly..
 
Total:
4.3

Why did this blow off valve take third place?

I liked the design. We’ve been using it for 2 months and it still looks like brand new. It doesn’t squeaks nor bents. Looks great in my apartment. I hope that the good reputation of the manufacturer will guarantee a long-term work. This price is appropriate since the product is very well built.

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Ease of use
4

4star

Size
4

4star

Performance
5

5star

Quality
4

4star

 

 

blow off valve Buyer’s Guide

If you keep the before points in mind, you can easily go out to the market and buy blow off valve, right? No!

Create a Loud Sound

This might seem like pretentious or annoying, but when you have a turbo-charged engine, you will need a blow-off valve. The whoosh noise that is created by this device will make it easy for your car to be noticed on the road, making many envious of what you are driving.

Recirculated Blow-off Valve

With this blow-off valve, on the other hand, there will be recirculation of air back to the system. If you have a Mass Air Flow sensor, this is the perfect choice for you.

If you have no idea on what to purchase, below are five products that you should include in your list of choices.

Installation

Ideally, you should find one that is user-friendly, which means that its installation can be accomplished in a snap. You do not need the help of the pros to accomplish this task. It is important that there are detailed instructions to guide you through the process.

Maintenance

Through the years, your blow-off valve will be prone to wear and tear. Leaking is one problem that is common, which will significantly weaken its performance. With this, you should choose one that is easy to maintain, which can be tantamount to extended lifespan.

Yes, it is tempting to choose a blow-off valve that comes with a cheap price. However, this is one thing that you can possibly regret in the future. It should be seen as an essential investment. Even if the valve is expensive, if the performance is unmatched, it will be a good product to purchase.

How It Works

When a car is running at high RPMs, a huge amount of air continuously enters the engine through the throttle and the turbo then attempts to compress it. As long as the throttle is open, the air moves along. When the system is pressurized, air tries to go back though the turbo and this is where the blow-off valve starts functioning. It lets off this compressed air into the atmosphere, thus preventing damage to the turbo. This action produces a variety of sounds that car enthusiasts generally love. Interestingly, some valves are made in a way that they enhance the sound. For example, some are fitted with trumpets-shaped outlets to give a better sound.

Installation

A blow off valve install can be a fairly easy process depending on your car but by doing so you can maximize your engines performance while also extending its life.

Always disconnect and remove the battery prior to installing a blow off valve. While you may be able to complete the installation without doing so, it is always an extremely good idea to disconnect the battery to any work inside the engine compartment for your safety.

An auto repair manual is extremely helpful, especially in locating your existing recirculating valve, which is replaced by your new blow off valve.

Any vehicle with a mass airflow sensor may require additional work to your engine control unit. Most of these aftermarket ECU units can be quickly installed to assist in ensuring your engine runs properly after the modification.

Of course, installing any aftermarket device, including blow-off valves, may void warranties on your vehicle; something you should be aware of ahead of time.

Installing this on an unmodified, stock turbo car will be minimal at best. Also, engine bog is common between gears; it means the valve is working properly.

Blow-off valves really enhance the performance of your vehicle. Make sure you have the best one for your car, based on design and output. A dual drive blow-off valve is ideal for fast cars, as they respond to all kinds of pressure situations. One thing to keep in mind is to get a valve that has a urethane gasket as it ensures a tight seal.

Wastegates allow the unused exhaust gasses to exit safely into the exhaust or atmosphere rather than through the turbo. For example: if you’re running psi out of your turbo, the remaining exhaust gasses that could push your turbo to a higher psi, is diverted out through the wastegate, ultimately regulating the turbo speed.

As mentioned above, surge is usually caused from a sudden reduction in load. This sudden reduction in load is usually the result of coming off the accelerator pedal quickly. On the road, people drive unpredictable and many times our driving is more reactive than planned. On the track, ending a hard run or when something happens, coming off the pedal quickly is very common. A simple wave from the flagman means to come off the throttle because the run is done. For those that drive manual transmissions, coming off the throttle quickly is a matter of changing gears quickly. Either way, all of the extra volume of air at the elevated pressure needs to go somewhere.

The BOV offers a secondary option for the increased volume and pressure to go. By allowing the air a secondary means of equalization, the turbocharger is allowed to spin down at a more natural rate, reducing the load on the bearing.

The Solution

The blow off valve is the solution. By venting the compressed air to the atmosphere, there is not pressure left in the system to put unnecessary stress on the turbo. But how do you adapt it to a diesel application that doesn’t produce a vacuum to open the gate like a gas engine does? “So, we started developing it. The trick of it was, there are other companies that have had a similar device and it has had varying degrees of success. But we worked with performance guys to figure out what the best route was to take. And so we developed an electronic blow off valve that followed the throttle position. And once we got onto that and really refined the circuitry and the response of the software and system. We were able to get a device that would react and work in most every application to the level of response that these people were asking for. We started putting it on a few street vehicles and what have you. We worked on it for probably two and a half years before we released it to the public. Just refining it and getting it to work exactly how it should work to provide a true benefit,” continued Staggs.

Turbosmart’s approach was very straight forward. The system had boost pressure pushing up on the BOV, so they needed a way to provide a force to keep the valve closed, but also something that would vary to allow it to open also. Their system sends the same boost pressure pushing up on the valve to a solenoid. That solenoid when not energized, directs the boost pressure to the top of the BOV head. This counters the force pushing the valve open and the gate stays shut. Then when the solenoid is activated, the boost is no longer sent to the top of the BOV, but instead, the pressure in the BOV is vented into the atmosphere. This results in basically no force keeping the valve shut, so the boost pressure opens the gate and vents. To operate the solenoid, they designed a very cleaver controller.

The Controller

The controller works many different ways. The basic way it is designed to work, is by monitoring the throttle position sensor. The controller taps into the throttle position sensors (TPS) and monitors the speed in which the voltage changes. If the change is quick, then the controller sends power to the solenoid and the system is activated. So, what about the trucks that don’t have TPS sensors? Well don’t worry; Turbosmart has you covered too. There are two wires to accommodate the wiring of an external TPS sensor.

The install

With all of these cool features, we had to test one out. As luck would have it, Jared Simmons, Diesel Technician at Diesel Dynamics was going to install one on his truck. Simmons has an 0Ford F-250 that is pretty unique. He converted the regular cab long bed truck into a short bed and swapped out the 7.3L for a 6.0L. The truck has the normal 6.0L modifications (studded, injectors, turbo upgrade, fuel system, EGR delete, etc). Due to all of this, Simmons’s truck regularly surges and he wants to extend the life of his newly purchased charger.

Sizing A Blowoff Valve

This is a look at the basic components and assembly of a blowoff valve. The line-in at the top is where the hose is connected from the manifold to signal the presence or absence of manifold pressure.

Shown here are some example blowoff valve configurations. Left: a 427-inch single turbo small block street car making over 1,000 HP using a Race Port BOV. The location just fore of the intake is excellent positioning for flow, allowing smaller valves to be used to get the job done. Center: A Hellion Power Systems twin-turbo kit using a pair of very small and high-flowing Veeport Pro BOV’s. Right: A Turbosmart BOV in use on a diesel truck, a market where turbo sizes and power outputs are steadily climbing.

Sizing A Wastegate

These are some examples of Turbosmart USA’s wastegates in use on pro level turbo cars, including the ADRL Pro Extreme Corvette of Frankie Taylor, at center. These setups all exhibit excellent wastegate mounting for a great flow path to the wastegate and perfect boost control.

The formula for a wastegate is simple

 

 

 

 

How to save up to 86%? Here is little trick.

You must visit the page of sales. Here is the link. If you don’t care about which brand is better, then you can choose the blow off valve by the price and buy from the one who will offer the greatest discount.

 

 

Final Word

First of all thanks for reading my article to the end! I hope you find my reviews listed here useful and that it allows you to make a proper comparison of what is best to fit your needs and budget. Don’t be afraid to try more than one product if your first pick doesn’t do the trick.

Most important, have fun and choose your blow off valve wisely! Good luck!

So, TOP3 of blow off valve

 

 

Questions? Leave a comment below!

Chatting about blow off valve is my passion! Leave me a question in the comments, I answer each and every one and would love to get to know you better!



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