Which spark plugs are better for Priora 16th grade: review, types and recommendations

Classification

You need to approach your choice as responsibly as possible. It is worth deciding which type of spark plug is best suited for the car.

So, these elements have their own classification according to:

• Number of electrodes: two- and multi-electrode. The first type consists of several elements. These are the side and central electrodes. These are installed standard on Priora. As for the second type, they have one central and three side electrodes. As reviews note, these candles have a longer service life and are more reliable.
• Type of material. Often spark plugs are equipped with copper electrodes. What are the best spark plugs for Priora? Judging by the reviews, they have a short resource - up to 30 thousand kilometers. But recently more “tenacious” iridium analogues have appeared on the market. Their resource is about 60 thousand. By the way, such candles have a slightly smaller diameter of the central electrode. If on copper it is 2.5 millimeters, then on iridium it is 0.7 millimeters.
• Thread diameter. When purchasing, check with the seller for which engine you need spark plugs. Thus, 16-valve valves are equipped with elements with a smaller head size and thread diameter. Spark plugs from an 8-valve engine simply won’t work in a 16v Priora.
• Heat number. This parameter means the pressure at which it is easier to heat the candle. There is a cold and a hot type. The glow number of these candles is 20 and higher for the first and 11-14 for the second. Which spark plugs are better for Priora 16 cl.? There is no clear answer to this question. But there are also universal options. In this case, the glow number is from 11 to 20. These are the spark plugs that many motorists use. They behave well both in summer and in cold weather.

The best spark plugs with two electrodes

Denso PK20PR-P8

Spark plugs in this series have platinum coating on the electrodes. Despite the simple design (only one side electrode), the quality of sparking is not inferior to multi-electrode designs.

Manufacturers managed to achieve the durability of an iridium spark plug using a cheaper metal – platinum.

Advantages:

• The cost of such a candle is not much higher than that of products without the use of precious metals.
• The service life significantly exceeds the replacement periods established by the maintenance regulations.
• Has modifications for most car models, including discontinued ones.
• The spark plug self-cleans well at high speeds.
• High quality threaded connection.
• Reliable sealing ring.

Flaws:

• The standard gap does not always correspond to the car manufacturer's specifications; you have to set it before replacement.
• Does not like prolonged idling and becomes covered in soot.
• Poorly compatible with liquefied gas.

NGK BKR6EIX

One of the best specimens in terms of duration of use. Car enthusiasts note in reviews that this spark plug does not lose performance up to a mileage of 50,000 km. The coating is iridium, hence the highest cost in the review.

There will be no significant savings compared to cheap candles. The cost is more expensive exactly as much as the kit takes longer to complete. However, all this time you will be confident not only of stable engine starting, but also of normal gasoline consumption.

Advantages:

• The service life from replacement to replacement is superior to many analogues.
• The electrode does not burn out when the gap is reduced, the spark plug works reliably even with a weakly charged battery.
• An ideal option for installation on a relatively new engine during appropriate maintenance.
• The insulator of the central electrode is of increased strength, even with significant mileage, cracks do not form.

Flaws:

• Sensitive to fuel quality. A couple of fill-ups with gasoline with an excessive amount of additives and the kit fails.
• A high price does not guarantee resource savings.

Bosch WR7DP

This spark plug has an innovative central electrode design. The thinnest core is flushly recessed into a ceramic insulator. As a result, the spark becomes similar to a plasma discharge, operating stably at low voltage in the on-board network.

Platinum coating allows you to increase the service life between replacements up to 60,000 km, but only when using high-quality fuel. The price is high, but it is far from iridium analogues.

Advantages:

• The original design of the central electrode protects the platinum coating.
• Stable starting at low voltage.
• The shape of the spark resembles a plasma-torch system.
• Good coverage of the center contact.
• At full throttle, this spark plug provides up to a 5% increase in power without increasing fuel consumption.
• This series has modifications for most car models, including domestic ones.
• High levels of environmental friendliness of the exhaust.

Flaws:

• High price. However, this is justified by the quality.
• Lack of fuel savings compared to standard spark plugs.

Champion RN9YCC4

A distinctive feature of the design is the copper core of both electrodes: central and side. On the one hand, current losses are reduced at low voltage, on the other hand, the resource is not the highest. At the same time, the price is at the level of top models. The positive point is a good increase in power, especially at high speeds, when cheaper analogues give an unstable spark.

What does the manufacturer recommend?

The Volzhsky Automobile Plant regularly uses spark plugs marked AU17DVRM.

. Judging by the reviews, the service life of these spark plugs is 25 thousand kilometers. This is quite good, considering the low cost - 400 rubles per set. But products with this marking perform poorly in cold weather. What spark plugs should I put on the Priora 16 valves for winter use? Here it is better to use “Priority A 15 DVRM”. These candles have a lower heat rating. They ignite more easily at subzero temperatures.

Analogs

Which spark plugs are better for Priora 16 cl.? For those who do not want to buy factory spark plugs, there is a huge selection of analogues:

• Products from the British. Which spark plugs are better for Priora 16 cl.? For such an engine it is worth purchasing the “Champion” RC9YC.
• Candles from German. They are little popular, but have a high resource. The marking for Priora is 14FR7DU.
• Japanese candles NGK. Perhaps the most popular analogue of factory products. NGK marked BCPR6ES is ideal for the 16-valve Priora.
• "Denso". This is also a Japanese manufacturer. The cost is on par with NGK, and the quality is not inferior either. For Priora you should buy Denso Q20PR-U11.
• "Brisk" (Czech Republic). Another popular spark plug manufacturer. The manufacturer offers products with different heat ratings and number of electrodes. Spark plugs DR15YC-1 are suitable for Priora. The same ones are used on Kalina engines of the first and second generation, with a 16-valve timing mechanism. But judging by the reviews, the products are of low quality - the electrodes are greatly offset from the center, which is unacceptable for such products.

What spark plugs are currently best for VAZ 16 cl.? When choosing, you should give preference to the original - AU17DVRM. By the way, the packaging says “BOSH Group”, but the products were manufactured in Russia. For those who want to use an analogue, NGK candles are suitable. They are distinguished by a good resource and low cost.

What are the dangers of using unsuitable candles?

What are the best spark plugs for carburetor engines?
If you buy spark plugs that are not suitable for your car’s engine, or that are of low quality, this is fraught with the following problems:

1. Engine starting will become worse; when trying to start the engine, you will have to crank the starter much longer. In some cases, starting the engine will not be possible at all. Please note that if you turn the starter for a long time, you can drain the battery.
2. The problem of increased fuel consumption is quite possible.
3. If the engine can be started, the power unit will generally operate noisier. This especially refers to the operation of the internal combustion engine at idle or during warm-up. Plus, the noise can only get louder over time.
4. The volume of harmful substances contained in exhaust gases will also increase. This can only be checked using specialized equipment.
5. The dynamics and power of the power unit will drop. The loss of traction will be especially felt when driving uphill (video author - Sergey Tsapyuk).

Manufacturers

In order not to encounter problems with the engine, you need to know exactly which SZ is best to install on the Priora. Detailed information regarding the selection of SZ is indicated in the service book for the car.

If for some reason you do not have a manual, then we suggest that you familiarize yourself with the list of manufacturers whose products are designed for use in the engines of these car models:

• for Lada Priora cars, the manufacturer recommends using domestically produced products AU17 DVRM or AU15 DVRM;
• it is allowed to use German-made spark plugs BERU 14 FR7DU;
• You can also choose Champion candles, produced in the UK, model RC9YC;
• SZ made in Japan have long established themselves as one of the highest quality, in particular, we mean NGK BCPR6ES;
• No less high-quality analogues are Denso spark plugs - model Q20PR-U11;
• spark plugs of the Czech brand BRISK - the use of models DR15YC-1 and DR17YC-1 is allowed;
• BOSCH FR7DCU (video author - Simple Opinion channel).

If the budget allows, then it makes sense to give preference to iridium spark plugs from the manufacturers Denso or NGK. Thanks to the use of iridium on the electrodes, you can ensure high-quality starting of the power unit during cold weather. If we compare it with traditional SZ, in which the service life varies in the region of 10-20 thousand kilometers, then in this case the service life will be several times longer.

Reviews from our compatriots show that domestically produced spark plugs are considered one of the worst options for Priora engines. Especially because at low negative temperatures these products do not allow the engine to start. When buying SZ from well-known manufacturers, look at the packaging, as well as the product description and the country of manufacture. Look at the name SZ indicated on the body of the product - it should be engraved or written smoothly, without chips. The bottom line is that there are a lot of fakes on the market today, so there is a possibility of buying low-quality SZ at an inflated price (the video was shot by Valery Vinokurov).

Let's get started

So, first, open the hood and remove the decorative engine cover.

It is installed on clips. Next, remove the terminals from the ignition coils. The latter also needs to be removed (using the key at “10”).

Note! When removing the high-voltage cord, do not hold the cord - it may be damaged. You only need to grab the rubber tip. If the element is damaged, misfire may occur. The engine will start to stall, and the car itself will begin to consume a lot of fuel (since it needs more energy to push the idle piston in the cylinder).

Now let's move on to the candles themselves. We lower a specialized key into the shaft and begin to unscrew the spark plug counterclockwise using the handle.

You need to remove it very carefully - you must not allow it to fall into the well. Otherwise, part of the insulator may break off and fragments will fall into the cylinder.

Helpful advice: if you don’t have a key with a magnet, you can use the ignition module itself - install it on the end of the spark plug and pull it back out. This way we can remove the old element carefully and without damage.

Is it worth overpaying for iridium and platinum?

If a specific core material (platinum, iridium, copper) is recommended for your car, you will have to accept it (or shorten the replacement period). Whether it is necessary to engage in tuning, changing ordinary ones to “fashionable ones” - everyone decides for himself. A serviceable engine works great even on stock ones.

Trying to revive a problematic engine that is “eating” oil and overflowing fuel is applicable as a temporary measure. It is possible that one of the several side electrodes will have less deposits, but the thin central one will still produce a flash. And the faulty internal combustion engine will start.

Installing new ones

How do you then replace the spark plugs? Before installing new ones, you should check the gap between the side and central electrodes. It should be about one millimeter. The parameter is checked using a round probe. It is shown in the photo below:

Please note: over time, the spark plug gap increases. Once every 15 thousand kilometers it is recommended to check this parameter and, if necessary, adjust it.

If the gap is OK, put the spark plug on the tip of the ignition module and lower it into the shaft. Next, use a wrench to tighten it until it stops. There is no need to pull hard. The recommended tightening torque is 25 to 30 Nm. At the next stage, screw the coils and insert the terminals.

Next, we put the decorative plastic cover on the engine and try to start the engine.

What spark plugs for a 16 valve VAZ engine

• Registration
• Entrance

• To the beginning of the forum
• Forum Rules
• Old design
• FAQ
• Search
• Users

advised like this:
NGK summer: BCP6E11 NGK winter: BCP5E11 DENSO summer: Q20P-U11 DENSO winter: Q16P-U11

who can say anything about this?

ps: I have a car with gasoline and gas!

They advised this:

NGK summer: BCP6E11 NGK winter: BCP5E11 DENSO summer: Q20P-U11 DENSO winter: Q16P-U11

who can say anything about this?

ps: I have a car with gasoline and gas!

Due to the widespread fawning of NGK, get yourself a Denso Q20.

After installing these spark plugs, I forgot what it meant to change them because of the red residue that remained on Brisk and others. Japan is real after all. Ugh 3 times. Don’t be fooled by all the platinum, this is all for those who travel 1000 km once a week, in the city they will die like everyone else, and you’ll waste a lot of money.

COPY from FORUM Candles from Murzilka: Russia AU17DVRM AU14DVRM (for winter) AC DELKO, USA CFR2CLS AUTOLITE, USA AP3924 BERU, Germany 14FR-7DU 14FR-8DU Ultra-FX 79 CHAMPION, England RC9YC RS11YC NGK, Japan BCPR6ES-11 BCPR5ES-11 NIPPON DENSO Q20PR-U11 BRISK, Czech Republic DR15YC DR17YC BOSCH, Germany FR7DCU FR8DC Interelectrode gap? 1 mm (tolerance + 0.1)

What candles to light is a matter of religion. Their lifespan primarily depends on the greed of the “gas station owners,” and only secondarily on their quality. You can change the fuel filter yourself if you have access to a pit, overpass or lift.

Due to the widespread fawning of NGK, get yourself a Denso Q20. After installing these spark plugs, I forgot what it meant to change them because of the red residue that remained on Brisk and others.

If I forgot about this, let me remind you that the red coating does not depend on the brand of candles

By the way, for residents of southwest Moscow. The gas station on Obrucheva Street is about 200 meters short of the circle with Balaklavsky and Sevastopolsky. I don’t know where they get gasoline from, but they have fuel without a “brick” additive (it was diagnosed to the absolute white insulator of the central electrode of new spark plugs over almost 3000 km and refueling all this time at this column).

Tell me more specifically what the gas station is called, I’m from those places too.

I don't know the name. If memory serves? the emblem with an airplane, the gas station itself is modern and blue. We drive from Kaluzhskaya metro station towards Balaklavskoye. We pass straight through the intersection with Vvedensky Street, then after 400 meters there is another traffic light (for pedestrians), and after 200 meters it is on the right next to the road. Behind it, after 200-300 meters, is a roundabout with Sevastopol. It is impossible to make a mistake; on this section of Obrucheva Street between Vvedensky Street and the circle with Sevastopolsky there is only one. What street do you live on?

NGK, but I change one horseradish every 7-8 thousand.

Well, what's the point of overpaying?! Why, she rides them better or something? mine - no!

I'm on AU. traveled 15 thousand. I changed it for the sake of prevention. Now Finwall is standing. I drive more than 30 tkm. No problem. I’m also thinking about giving it up for prevention.

PS. McRae, fireworks.

I bought these today:

they say super candles! They run 50t.km + in cold weather they work well at 16kl. VAZs.

I just didn’t specify about the wires; since the factory ones there won’t be any problems like silicone or non-silicone.

Source

If carbon deposits appear

After 15 thousand kilometers, it is recommended to re-inspect the condition of the spark plugs. Sometimes brownish-yellow carbon deposits can be observed on the surface of the electrodes. This indicates the use of fuel with an octane rating that is not suitable for the vehicle. When the spark plug overheats, the carbon deposits will turn white. Erosion is also possible. The reason may be early ignition timing. Sometimes the candle is simply not screwed on tightly. Also, with early ignition, the electrode itself melts. This spark plug is for replacement only. Which spark plugs are better for Priora 16 cl., see above.

If the car is moving, you should check the part with a tester for functionality. Typically, a gun with a metal tip and cap is used for this. The tip is touched to the thread of the spark plug, and the cap is placed on the terminal for the armor wires. When you pull the trigger, a spark should occur between the electrodes. If it is not there, the element needs to be replaced.

What a gap there must be!

Diagram of valve clearance measurement

The spark plug gap is the distance between the electrodes that are connected to produce a spark. Since the 16-valve VAZ-2112 is only an injection system, we will talk about the gap specifically for this injection system.

Gap size between spark plug electrodes

So, the normal gap on spark plugs is the distance between the electrodes, which is 1.00 - 1.13 mm . Exactly, going beyond these limits can cause a large number of problems, such as:

1. Change in consumption (comparison with factory data).
2. Floating speed.
3. The car starts to shake.
4. Oil in spark plug wells.
5. And others.

How to measure and correct spark plug gap

The gap between the spark plugs can be checked using a special feeler gauge, which has a corresponding plate thickness marking. It should fit a little tight, but not too much. If the probe does not fit through or the gap is too far from ideal, then it is necessary to press the metal part (upper) of the electrode against the graphite one. After this, take measurements again and so on until it is perfect.

Flat probe for measuring and changing the gap between spark plug electrodes

Of course, stores usually sell spark plugs with the gap adjusted from the factory. But, long transportation can lead to the distance between the electrodes being broken, so before installation, it is necessary to adjust the spark plug gap on all spark plugs when replacing them.

A clear example of measuring the spark plug gap using a feeler gauge

Consequences of incorrect clearance

As experience and practice show, untimely valve adjustment can lead to the following consequences:

• A small gap will mean that the engine will not be able to develop sufficient power , and will also stall or have difficulty starting.
• A large gap leads to greater fuel consumption . Of course, more fuel means better dynamics and traction. But, in the modern world, when everyone is struggling to save money, a consumption of 12-15 liters per 100 km will not please the owner. The second nuance is gas failures or too large jerks, which are sometimes unnecessary, especially for operation in the urban cycle.